Aside from a new crew-cab version, the GMC Sierra (and its Chevrolet Silverado twin) has changed little since its 1999 debut. Our tested Z71 Silverado had a stiff, choppy ride--other trim lines ride slightly better. Braking is adequate and fit and finish is unimpressive. The powertrain isn't as smooth as competing models from Toyota or Nissan.
Alerts
There are 5 recalls on this vehicle. Learn More.

Road Test Results

Performance
Acceleration Acceleration Acceleration tests are conducted on a smooth, flat pavement straightaway at the track. Time, speed, and distance measurements are taken with a precise GPS-based device that’s hooked to a data-logging computer.
NA
0 to 60 mph 0 to 60 mph (sec.) The time in seconds that a vehicle takes to reach 60 mph from a standstill with the engine idling.
Transmission Transmission Transmission performance is determined by shifting smoothness, response, shifter action, and clutch actuation for manual transmissions.
NA
Braking Braking The braking rating is a composite of wet and dry stopping distances and pedal feel. Braking distance is from 60 mph, with no wheels locked.
NA
Emergency Handling Emergency Handling Several factors go into the rating, including the avoidance maneuver speed and confidence, as well as how the vehicle behaves when pushed to its limit.
NA
Comfort / Convenience
Ride Ride Our expert judgment of how well the suspension isolates and absorbs road imperfections and how steady it keeps the body on various road surfaces.
NA
Noise Noise Our expert judgment of the vehicle's interior noise level in everyday driving.
NA
Front Seat Comfort Front Seat Comfort Our judgment of how comfortable the front seat is for drivers of various heights.
NA
Rear Seat Comfort Rear Seat Comfort Our judgment of how comfortable the rear seat is for two passengers to sit across.
NA
Interior Fit and Finish Interior Fit and Finish An expert evaluation of the interior quality and craftsmanship.
NA
Trunk/Cargo Area Trunk/Cargo Area Our rating is based on the amount of luggage or cargo space that a vehicle has in the trunk or cargo area.
NA
Fuel Economy & Emissions
Fuel Economy Fuel Economy We perform our own fuel-economy tests, independent of the government's often-quoted EPA figures and the manufacturers' claims. Using a precise fuel-flow measuring device spliced into the fuel line, we run two separate circuits to represent city and highway consumption.
NA
CR's Overall Mileage CR's Overall Mileage CR's overall mileage is a composite of measured fuel usage on a prescribed city course and highway cruising; and CR's 150-mile test trip of mixed driving, if tested. In recent road tests, we've discontinued the 150-mile trip test.
CR's City Mileage CR's City Mileage Measured fuel usage on a prescribed city course.
CR's Highway Mileage CR's Highway Mileage Measured fuel usage on a prescribed highway cruising.
Annual Fuel Cost Annual Fuel Cost The cost and amount of fuel used in 12,000 miles and is calculated from CR's overall mileage.
Greenhouse Gas Greenhouse Gas The Greenhouse Gas Rating represents the amount of carbon dioxide the vehicle emits compared to other vehicles of the same model year. This score from the EPA ranges from 1 (worst) to 10 (best).
NA
Smog Rating Smog Rating The Smog Rating represents the amount of health-damaging and smog-forming airborne pollutants the vehicle emits compared to other vehicles of the same model year. This score from the EPA ranges from 1 (worst) to 10 (best).
NA

Owner Reports

Worse Better
Reliability History Reliability History The reliability charts are based on responses on hundreds of thousands of vehicles from our latest Annual Auto Survey. Consumer Reports subscribers reported on any serious problems they had with their vehicles during the past 12 months that they considered serious because of cost, failure, safety, or downtime, in any of the trouble spots included in the table below. The results are presented relative to the average model that year. Extra weight is given to the more serious areas such as major engine or transmission problems. Based on this data and further analysis, we predict reliability for the latest year. N/A indicates that we did not receive a large enough sample size to provide data for a specific year. An X indicates that the vehicle was not manufactured for a specific year.
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Reliability Trouble Spots
Engine Major Engine Major Engine rebuild or replacement, cylinder head, head gasket, turbo or supercharger, timing chain or timing belt.
Engine Minor Engine Minor Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, oil leaks.
Engine Cooling Engine Cooling Radiator, cooling fan, antifreeze leaks, water pump, thermostat, overheating.
Transmission Major Transmission Major Transmission rebuild or replacement, torque converter, clutch replacement.
Transmission Minor Transmission Minor Gear selector or linkage, leaks, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission.
Drive System Drive System Driveshaft or axle, CV joint, differential, transfer case, 4WD/AWD components, driveline vibration, traction control, electronic stability control (ESC), electrical failure.
Owner Satisfaction Owner Satisfaction To learn about satisfaction, CR has collected survey data from our annual survey on more than half a million vehicles. Our subscribers provide great insights into their satisfaction by answering one simple question: If they had it to do all over again, would they definitely buy or lease the same model? In addition, respondents also rate their cars in six categories: driving experience, comfort, value, styling, audio, and climate systems. N/A indicates that we did not receive a large enough sample size to provide data for a specific year. An X indicates that the vehicle was not manufactured for a specific year.
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Driving Experience Driving Experience Includes acceleration and handling
Comfort Comfort Includes seats, climate control, noise, and ride
Value Value Did you get what you wanted relative to the price you paid?
Styling Styling How it looks inside and out
Safety Equipment
ABS standard. Head protection air bags and ESC standard from 2010. Side air bags standard from 2010.
Model Summary
Aside from a new crew-cab version, the GMC Sierra (and its Chevrolet Silverado twin) has changed little since its 1999 debut. Our tested Z71 Silverado had a stiff, choppy ride--other trim lines ride slightly better. Braking is adequate and fit and finish is unimpressive. The powertrain isn't as smooth as competing models from Toyota or Nissan. The Sierra's significant assets are a selectable, full-time, four-wheel-drive system and a generous load capacity. The Denali is an expensive AWD model with a 6.0-liter V8. The Quadrasteer four-wheel-steering system is a costly option that eases maneuverability in tight places. The HD (heavy duty) model is stiffer-riding.
Seating
3 front, 3 rear
Drive Wheels
4WD, AWD, Rear
Warranty
Coverage varies among versions of this vehicle

In most cases, automotive warranties are based on the vehicle identification number (VIN), and the warranty will be valid regardless of ownership. The dealership can tell you exactly how much warranty is left.

Read more about extended warranties
Body Styles
extended cab
regular cab
crew cab
Transmissions Available
  • 5-speed Manual
  • 4-speed Automatic
Engines Available
  • 4.3-liter V6 (195 hp)
  • 4.8-liter V8 (285 hp)
  • 5.3-liter V8 (295 hp)
  • 6-liter V8 (325 hp)

Owner Reported Trouble Spots

The Reliability score is based on our latest subscriber survey of 2004 GMC Sierra 1500 owners. The owner comments describe problems respondents experienced with this vehicle.

Climate System

Blower (fan) motor, A/C compressor, condenser, evaporator, heater system, automatic climate control, refrigerant leakage, electrical failure.

What Owners Say

Automatic climate control

"Common problem w/o a permanent solution"

Mark M., OR (2004 GMC Sierra 1500 SLT 5.3-L V8)

"The damper controlling the heat and cooling on the drivers side has stopped working."

Anonymous, AR (2004 GMC Sierra 1500 Base 5.3-L V8)

"Duel Climate control, Last year the driver side stopped working, got it fixed for over $700. Within six months the passenger side stopped working, took it back and the dealer said it would cost over $800 to fix! They should have told me that there was two separate controls and advised to get them fixed at the same time! I did not have them fix it, and probably won't have it done at all! Which makes it VERY UNCOMFORTABLE on warm/hot days!"

Anonymous, OH (2004 GMC Sierra 1500 SLE 5.3-L V8)

"Sometimes the Heat&Cool system will reverse on one side or the other. Can not correct it pushing buttons or turning knobs, but if I pull in a parking lot and turn off the engine a few seconds, and restart it, it will operate normally, usually t"

John-Ruth L., WI (2004 GMC Sierra 1500 SLE 5.3-L V8)

"Blend door actuator failures and control panel failure"

Rick S., WA (2004 GMC Sierra 1500 SLT 5.3-L V8)

"defective blend door actuator"

W R., TX (2004 GMC Sierra 1500 SLE 4.8-L V8)

"The automated climate control unit has failed in regulating heating temps"

Anonymous, WA (2004 GMC Sierra 1500 Base 4.3-L V6)

"Sporadic problem in hot weather with AC not kicking on or kicking off during operation. Solution: pull over turn off engine wait 2-3 minutes and then turn engine back on. AC returns to good operation. Happens 3 to 5 times during hot weather. Deale"

Anonymous, TN (2004 GMC Sierra 1500 Denali 5.3-L V8)

"There is an intermittent problem with the firmware/software on the air conditioning control, usually fixed by shutting vehicle off and restarting, however not always"

Anonymous, NM (2004 GMC Sierra 1500 SLT 5.3-L V8)

"A/C Blend door controls"

Anonymous, TX (2004 GMC Sierra 1500 SLE 4.8-L V8)

"The heat will come on high and I have to shut the vehicle off to get it to stop and reset"

Charles G., MI (2004 GMC Sierra 1500 SLT 5.3-L V8)

"Will blow cool on one side and hot on the other side. Sometimes both vents will blow hot"

Larry B., FL (2004 GMC Sierra 1500 SLT 5.3-L V8)
Blower (fan) motor

"Will only work on maximum. Have not had repaired due to possible expense"

Anonymous, MI (2004 GMC Sierra 1500 WT 4.3-L V6)

"Blower motor only worked at a lower speed. Had it repaired several times"

Anonymous, VA (2004 GMC Sierra 1500 SL 4.3-L V6)

"Doesn't work"

Thomas G., NY (2004 GMC Sierra 1500 SL 5.3-L V8)

"The selector for the A/C burned up, wires melted, no A/C at all"

Anonymous, OH (2004 GMC Sierra 1500 SLE 5.3-L V8)
Electrical failure

"A/C temperature adjustment on driver side erratic"

Anonymous, AL (2004 GMC Sierra 1500 SL 5.3-L V8)

"Actuator switch for heat or AC went bad. I could not switch heat or cooling from one to the other. Emergency brake release cable broke Oil pressure gauge failed"

Anonymous, NM (2004 GMC Sierra 1500 Base 5.3-L V8)
Heated or cooled seat controls

"Work and then stop during operation"

Mark M., OR (2004 GMC Sierra 1500 SLT 5.3-L V8)

"The controls for the seat heating is too close to other controls and is easy to inadvertently actuate"

Anonymous, NM (2004 GMC Sierra 1500 SLT 5.3-L V8)
Heater system

"With AC on, system will start blowing hot air into cab. Stopping, completely shutting off the vehicle, counting to ten (optional), and restarting the vehicle corrects the problem. GM dealers can NEVER find anything wrong . Ho, hum."

Kenneth S., IN (2004 GMC Sierra 1500 WT 4.3-L V6)

"The heater will not always turn on and when it does debris comes out of the vents"

Anonymous, WA (2004 GMC Sierra 1500)

Brakes

Antilock system (ABS), parking brake, master cylinder, calipers, rotors, pulsation or vibration, squeaking, brake failure or wear.

What Owners Say

Antilock system (ABS)

"This is a known problem with this vehicle and as such, I believe it should have had a recall and been repaired with no expense to me, regardless of the mileage. If it had failed sooner, it would have been repaired under under a factory recall."

Robert G., TX (2004 GMC Sierra 1500 SLT 5.3-L V8)

"Left front wheel speed sensor intermittent."

Anonymous, VA (2004 GMC Sierra 1500 SLT 5.3-L V8)

"The light has come on."

Anonymous, TN (2004 GMC Sierra 1500 SLT 5.3-L V8)

"ANTI LOCK BRAKE SYSTEM FAILURE, WARNING LIGHTS ON ALL THE TIME MECHANIC FINDS NO REASON AND ATTRIBUTES IT TO THE ABS SYSTEM"

Allen P., IA (2004 GMC Sierra 1500 SLE 5.3-L V8)

"Antilock brakes failed for part of one day and warning light came on. Took it to repair shop and couldn't find anything specific. Cleared the "code", the brakes seemed to be o.k. and never had any more problems with the system"

Anonymous, SD (2004 GMC Sierra 1500 SLT 5.3-L V8)

"ABS module failed. Dealer no longer carries replacement. Unit has to be sent out to third party for rebuild. Took 8 days to complete repair"

Anonymous, CA (2004 GMC Sierra 1500 SLT 5.3-L V8)

"ABS dash light came on, and there was an electric motor running under the truck, even with the ignition off"

Anonymous, MO (2004 GMC Sierra 1500 SLE 5.3-L V8)
Calipers

"Those replaced rear calipers weren't releasing all the way and were grinding against the rotors."

Anonymous, NM (2004 GMC Sierra 1500 Denali 6.0-L V8)
Master cylinder

"someone put power stearing fluid in mastercylinder"

Larry S., IL (2004 GMC Sierra 1500 SLE 5.3-L V8)
Normal routine brake wear

"The brakes had the normal mileage wear time on them."

Anonymous, WA (2004 GMC Sierra 1500 SLE 5.3-L V8)

"After 100,000 miles routine maintenance"

Anonymous, MN (2004 GMC Sierra 1500 SLT 5.3-L V8)

"The brake lines to the rear brake rusted through, while driving the truck, and had to be replaced"

Steven B., NC (2004 GMC Sierra 1500 SLE 5.3-L V8)

"I NOTICED THE BRAKE PEDAL WAS GOING DOWN FURTHER"

Anonymous, MI (2004 GMC Sierra 1500 SLE 5.3-L V8)
Parking brake

"The parking brake system is aweful"

Anonymous, MA (2004 GMC Sierra 1500 SLE 4.8-L V8)

"cable broke"

Anonymous, PA (2004 GMC Sierra 1500 Base 5.3-L V8)
Premature brake wear

"wore too soon"

Anonymous, PA (2004 GMC Sierra 1500 SLE 5.3-L V8)
Regular brake failure

"Brake lines corroded & broke; brakes failed. Was able to safely steer into parking lot. All brake lines were in need of replacement"

Zlatev P., NY (2004 GMC Sierra 1500 SLT 5.3-L V8)

"Brake line failure"

Thomas L., VA (2004 GMC Sierra 1500 SLE 5.3-L V8)

"Brake line rupture. Had to have all brake lines replaced due to corrosion"

Anonymous, NJ (2004 GMC Sierra 1500 SLE)

"Brakes have always seemed inadequate to bring the vehicle to a stop in a panic situation. Pedal seems to be firm, but braking efficiency is low"

Mark T., NL (2004 GMC Sierra 1500 SLE 4.8-L V8)
Rotors

"I would not have had to replace the rotors had I replaced the brake pads earlier."

Anonymous, WA (2004 GMC Sierra 1500 SLE 5.3-L V8)

Electric System

Alternator, starter, hybrid battery and related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, distributor or rotor failure, spark plugs and wires failure.

What Owners Say

Exterior lights (other than headlights)

"Daytime running lights have went out twice"

Anonymous, CA (2004 GMC Sierra 1500 SLE 4.8-L V8)
Gauges

"Dash gauges failed in 2008. This is a known problem for GMC"

Anonymous, TX (2004 GMC Sierra 1500 5.3-L V8)

"There is a known and documented problem with the instrument gauge module. The problem is so prevalent that there are companies which only deal with this issue. You would think that if GMC wanted to improve their reputation with their buyers, they would manage this issue with a recall rather than simply hoping that it didn't fail prior to the expiration of the factory warranty."

Robert G., TX (2004 GMC Sierra 1500 SLT 5.3-L V8)

"2gauges quit working oil volts"

David C., OK (2004 GMC Sierra 1500 SLE 4.8-L V8)

"Oil pressure stopped working and speedometer randomly stops working"

Anonymous, AL (2004 GMC Sierra 1500 SL 5.3-L V8)

"Oil pressure gauge has failed"

Anonymous, NM (2004 GMC Sierra 1500 Base 5.3-L V8)

"gauges become operative several hours after leaving the vehicles and drain battery"

Bill K., ON (2004 GMC Sierra 1500 Base 4.3-L V6)

"All lights on the dash are out"

Anonymous, WA (2004 GMC Sierra 1500)

"the speed,gas,oil,inercater cluster was bad and didnt work. Couldnt afourd to fix it"

Steven H., NC (2004 GMC Sierra 1500 SL 5.3-L V8)

"GMC pickups and SUV had bad instrument clusters. Mine is defective right now. Everything electronic is dead. Cable or direct sensor is all that works. This is a VERY common problem of which I am sure you are aware"

James V., MA (2004 GMC Sierra 1500 Base 4.3-L V6)

"Wouldn't pass smog because of a blown fuse"

Anonymous, CA (2004 GMC Sierra 1500 SLE 5.3-L V8)

"oip pressure gauge failed"

Anonymous, NM (2004 GMC Sierra 1500 Base 5.3-L V8)

"Gauges went out and had to be rebuilt or replaced"

Anonymous, MI (2004 GMC Sierra 1500 SLE)
Headlights

"Lights burned out"

Anonymous, NJ (2004 GMC Sierra 1500 Denali)
Remote engine starter

"failed to engage starter"

Anonymous, WI (2004 GMC Sierra 1500 SLT 5.3-L V8)
Warning lights

"Check engine believe fuel cap"

David C., OK (2004 GMC Sierra 1500 SLE 4.8-L V8)

"Service brake system light comes on and goes off at will. My mechanic can not find anything wrong with the brakes. Says it's the computer and to replace that module, it will be about $1500"

Thomas G., NY (2004 GMC Sierra 1500 SL 5.3-L V8)

Paint/Trim

Paint (fading, chalking, cracking, or peeling), loose interior and exterior trim or moldings, rust.

What Owners Say

Loose interior trim or moldings

"Trim work by the driver's door, plus the ceiling panel above each door, have come loose and are falling off"

Brian M., TX (2004 GMC Sierra 1500 SLT 5.3-L V8)
Paint (fading, chalking, cracking, or peeling)

"Clear-coat paint peeling"

Anonymous, MO (2004 GMC Sierra 1500 SLE 5.3-L V8)

"The clear coat began chipping and is either completely gone or mostly gone on several panels of the truck including the entire hood and quarter panel."

Anonymous, AR (2004 GMC Sierra 1500 Base 5.3-L V8)

"Paint defect from factory.. paints chips off roof and hood"

Anonymous, IN (2004 GMC Sierra 1500 SLT 5.3-L V8)
Rust

"The rear fenders above the wheels and the rocker panels are rusting through from the inside out. This is quite common on this brand and model of trucks. Most are worse than mine."

James G., MN (2004 GMC Sierra 1500 SLE 5.3-L V8)

"The rear outer wheel wells on the bed were replaced. The rocker panels were replaced 4 years ago"

Anonymous, MA (2004 GMC Sierra 1500 SLT 4.8-L V8)

"I can't believe how quickly a tiny amount of rust advanced to holes in only a year"

Anonymous, MN (2004 GMC Sierra 1500 SLE 5.3-L V8)

"Had to have both rocker panels and cab corners replaced due to rust"

Deb Z., OH (2004 GMC Sierra 1500 SLE 5.3-L V8)

"Rusted all the way thru on the under molding just above the foot rail. Unsightly and expensive to repair"

Mike G., KS (2004 GMC Sierra 1500 SLT 5.3-L V8)

"Rust from salt on rear fender"

Anonymous, MN (2004 GMC Sierra 1500 SLT 5.3-L V8)

"tailgate and frame rust"

Anonymous, PA (2004 GMC Sierra 1500 SLE 5.3-L V8)

"Rear bumper has the consistency of aluminum foil. Substructure rusted away and left only a chrome shell remaining"

Mark T., NL (2004 GMC Sierra 1500 SLE 4.8-L V8)

Suspension

Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.

What Owners Say

Bushings

"lower control arm bushing"

Terry I., UT (2004 GMC Sierra 1500 SLT 5.3-L V8)
Power steering leaks

"The headliner is coming loose and to fix requires a complete replacement. This vehicle has been extremely well cared for. Disappointed in as much as at the time or purchase thought this was a more quality vehicle than a Chevy"

Mike G., KS (2004 GMC Sierra 1500 SLT 5.3-L V8)
Power steering pumps and hoses

"Power steering system was working properly. Then the power steering pump failed and had to be replced."

Anonymous, NM (2004 GMC Sierra 1500 Denali 6.0-L V8)

"this was finally taken care of under the warranty but it took a long time before they did it"

Anonymous, NC (2004 GMC Sierra 1500 SLE 4.8-L V8)

"Pump failed and leaked badly. Had it replaced by dealer"

Anonymous, MA (2004 GMC Sierra 1500 4.3-L V6)
Springs or torsion bars

"broken torsion bar extension"

Anonymous, MA (2004 GMC Sierra 1500 4.3-L V6)
Steering linkage (includes rack and pinion)

"Unsafe condition with binding steering box"

Anonymous, MB (2004 GMC Sierra 1500 SLE 4.8-L V8)
Tire wear is uneven

"My tires were wearing unevenly. I was not able to get an ignment until parts were replaced"

Anonymous, CA (2004 GMC Sierra 1500)
Wheel bearings

"Wheel bearing was making noise and turned out it was bad and needed replacemnt"

Anonymous, ND (2004 GMC Sierra 1500 SLT 5.3-L V8)

"GM does not provide a means to lubricate the bearings, they are sealed. Since they cannot be lubricated during routine maintenance they fail."

Anonymous, (2004 GMC Sierra 1500 WT 4.8-L V8)

"Hub/bearing need replacement every 30,000 kilometers"

Anonymous, MB (2004 GMC Sierra 1500 SLE 4.8-L V8)

Body Integrity

Squeaks, rattles, wind noises, loose or cracked seals and/or weather-stripping, air and water leaks.

What Owners Say

Air or water leaks

"There is a water leak where the small extended cab door closes on the driver side. It was fixed once under warranty, but now leaks again. I was told it would require a new gasket for several hundred dollars."

Emma M., VA (2004 GMC Sierra 1500 SLT 5.3-L V8)

"water pump replaced"

Anonymous, CA (2004 GMC Sierra 1500 SLE 4.8-L V8)
Seals and/or weather-stripping

"Weather stripping above driver side door has wind noise/air leak/whistling sound ."

Kenneth S., IN (2004 GMC Sierra 1500 WT 4.3-L V6)
Squeaks or rattles

"A rattle / clicking sound under dash. Paid over $400 to get it fixed and still have the noise! No idea what the cause is. Sounds like it's sending Morse code! As soon I hear it, the A/C goes crazy! 3 air ducts will blow cold air, the other blasts HOT air! or, just the opposite, 1 cold, 3 hot!"

Anonymous, OH (2004 GMC Sierra 1500 SLE 5.3-L V8)
Wind noise

"The quarter windows were a known wind noise problem, but they never became an actual campaign, only a policy that quickly expired."

Anonymous, CA (2004 GMC Sierra 1500 SLE 5.3-L V8)

"I seldom roll my windows down but there is a wind noise especially from the passenger window and it has caused the headliner at each window to come loose"

Anonymous, MO (2004 GMC Sierra 1500 SLT 4.3-L V6)

"Since purchase I have experienced excessive wind noise from rear side windows"

Anonymous, MS (2004 GMC Sierra 1500 SLT 5.3-L V8)

"Rear passenger side lot of air noise form time it wasnew"

David C., OK (2004 GMC Sierra 1500 SLE 4.8-L V8)

In-car Electronics

CD or DVD players, radio, speakers, GPS, communication system (e.g., OnStar), display screen freezes or goes blank, phone pairing (e.g. Bluetooth), voice control commands, steering wheel controls, portable music device interface (e.g., iPod/MP3 player), backup or other camera/sensors.

What Owners Say

CD player

"stuck cd's"

Anonymous, TX (2004 GMC Sierra 1500 SLE 4.8-L V8)

"cd stuck in player, no way to remove other than expensive dealer fix"

Anonymous, NY (2004 GMC Sierra 1500 SL 4.3-L V6)

"CD stopped working"

Larry B., FL (2004 GMC Sierra 1500 SLT 5.3-L V8)
Display screen freezes up

"Dashboard Gauges Motors Failed - Speedometer and Temp Gauge"

Anonymous, NY (2004 GMC Sierra 1500 SLE 4.8-L V8)
Display screen goes blank

"Complete dash failure. Gauges slowly failed over time then power to display failed"

John L., MA (2004 GMC Sierra 1500 SLT 4.8-L V8)
Radio

"RADIO DOESN'T ALWAYS COME ON, SPEAKERS DO NOT ALWAYS WORK"

Allen P., IA (2004 GMC Sierra 1500 SLE 5.3-L V8)

Drive System

Driveshaft or axle, CV joint, differential, transfer case, 4WD/AWD components, driveline vibration, traction control, electronic stability control (ESC), electrical failure.

What Owners Say

4WD/AWD components

"Electronic 4w drive selector stoped stoped functioning"

Anonymous, VA (2004 GMC Sierra 1500 SLE 5.3-L V8)

"Sometimes hard to get it to change from 4 to 2. It would change from 2 to 4 by it's self."

Anonymous, TN (2004 GMC Sierra 1500 SLT 5.3-L V8)
Driveshaft or axle

"Will need to be repaired soon,with less than 95000 miles"

Gale C., MI (2004 GMC Sierra 1500 WT 4.3-L V6)
Electrical failure

"There was a recall, but I had already fixed my truck and it had just gone past the mileage one the recall"

Anonymous, MO (2004 GMC Sierra 1500 SLT 4.3-L V6)
Transfer case

"After the power steering pump was replaced, tech notified me that the front differential was making a loud roaring noise. Hitherto I hadn't realized it was making unusual noises. Anyway the front differential was rebuilt."

Anonymous, NM (2004 GMC Sierra 1500 Denali 6.0-L V8)

"Case developed a hole in it due to components rubbing against it."

Anonymous, FL (2004 GMC Sierra 1500 SLE 5.3-L V8)

Exhaust

Muffler, pipes, catalytic converter, exhaust manifold, leaks.

What Owners Say

Exhaust leaks

"A pipe failed between the muffler and catalytic converter. After 202000 miles in the rust belt it should have"

Anonymous, MA (2004 GMC Sierra 1500 SLE 4.8-L V8)

"Pipe between muffler and catalytic converter failed, and, frankly after 202000 miles in the rust belt, I can't believe it lasted that long."

Anonymous, MA (2004 GMC Sierra 1500 SLT 4.8-L V8)
Loose/rattling heat shield

"Cat heat shield rattle."

Charles P., NV (2004 GMC Sierra 1500 SLT 5.3-L V8)
Other/unsure

"Air bag code said the collision sensor failed in the front of the vehicle"

Anonymous, MA (2004 GMC Sierra 1500 SLT 4.8-L V8)

Engine Minor

Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, oil leaks.

What Owners Say

Accessory belts or pulleys

"After 11 years the belt needed replacement"

Steven B., NC (2004 GMC Sierra 1500 SLE 5.3-L V8)
Engine knock or ping

"Engine knock sensor lost ground due o rust and heavy rain. Engine lite illuminated. I replace sensors when got back home. Only one sensor defected but replaced both and performed recommited modification to desert water away from sensor well."

Anonymous, VA (2004 GMC Sierra 1500 SLT 5.3-L V8)

"Was easily repaired"

Anonymous, WI (2004 GMC Sierra 1500 SL 5.3-L V8)

"anti-knock sensors bad and turn on check engine light"

Anonymous, AK (2004 GMC Sierra 1500 SLE 5.3-L V8)

Transmission Minor

Gear selector or linkage, leaks, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission.

What Owners Say

Transmission leaks

"Probably a seal went bad"

Anonymous, (2004 GMC Sierra 1500 Unsure Unsure)

"a small leak in the side of the transmission housing. It was corrected using a compound similar to JB Weld"

Dale H., ON (2004 GMC Sierra 1500 SLE 4.8-L V8)

"leaking hoses due to age and cold climate"

Anonymous, SK (2004 GMC Sierra 1500 SLE 5.3-L V8)

Transmission Major

Transmission rebuild or replacement, torque converter, clutch replacement.

What Owners Say

Transmission rebuild or replacement

"I was driving back from a trip when i lost overdrive,was able to proceed 10 miles in drive switched back to overdrive but next day had only 1st and 2nd Hsd tranny rebuilt and new converter"

Anonymous, ME (2004 GMC Sierra 1500 SLE 4.8-L V8)

"At approximately 115,000 miles the transmission stopped shifting properly and was rebuilt using OEM and superior parts when available"

Kevin B., MI (2004 GMC Sierra 1500 Denali 6.0-L V8)

"Replacement of transmission @ the dealer, at a cost of $ 5,000"

Anonymous, CA (2004 GMC Sierra 1500 SLT 5.3-L V8)

Engine Cooling

Radiator, cooling fan, antifreeze leaks, water pump, thermostat, overheating.

What Owners Say

Antifreeze leaks

"water pump gasket, leaking intake manifold gasket, rusted rotors, and rusted brake lines"

Anonymous, PA (2004 GMC Sierra 1500 Base 5.3-L V8)

"Engine intake manifold gaskets leak. Bad gaskets from the factory"

Anonymous, AK (2004 GMC Sierra 1500 SLE 5.3-L V8)
Water pump

"Pump had a steady leak and needed replacement"

Anonymous, AR (2004 GMC Sierra 1500 SLE 5.3-L V8)

Engine Major

Engine rebuild or replacement, cylinder head, head gasket, turbo or supercharger, timing chain or timing belt.

What Owners Say

Engine rebuild or replacement

"Lifter noise on cyl #2"

Anonymous, NM (2004 GMC Sierra 1500 SLT 5.3-L V8)

"Required valve and lifter replacement"

Anonymous, ME (2004 GMC Sierra 1500 SLE 4.3-L V6)
Head gasket

"replaced without incident"

Anonymous, WI (2004 GMC Sierra 1500 SL 5.3-L V8)

Fuel System

Check engine light, sensors (includes O2 or oxygen sensor), emission control devices (includes EGR), engine computer, engine computer, fuel cap, fuel gauge/sender, fuel injection system, fuel pump, fuel leaks, stalling or hesitation.

What Owners Say

Fuel cap

"Check engine from fuel"

David C., OK (2004 GMC Sierra 1500 SLE 4.8-L V8)
Fuel pump

"Fuel pump completely failed."

Michael P., NH (2004 GMC Sierra 1500 SLE 5.3-L V8)
Sensors (includes O2 or oxygen sensor)

"Sensors worked fine,told me the catyltic converter was bad at 100,000."

Anonymous, ME (2004 GMC Sierra 1500 SLE 4.8-L V8)

Body Hardware

Power or manual windows, locks and latches, tailgate, hatch or trunk, doors or sliding doors, mirrors, seat controls, safety belts, sunroof, convertible top.

What Owners Say

Heated or cooled seat controls

"The seat power control panel fell completely out of the drivers seat"

Brian M., TX (2004 GMC Sierra 1500 SLT 5.3-L V8)
Seat controls - movement

"The driver side power seat control will no longer lift the seat up and down. The back cushion will go back and forth and the bottom will slide back and forth, but I cannot adjust the seat for the height of the driver. It makes a clicking noise like something is caught underneath, but I can see nothing in the way."

Emma M., VA (2004 GMC Sierra 1500 SLT 5.3-L V8)

Power Equipment

Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, remote engine start, alarm or security system

What Owners Say

Engine harness

"There is a bulletin out by GM covering this dying problem, but it was incomplete and so I had to make three trips to the shop to get it fixed."

Anonymous, CA (2004 GMC Sierra 1500 SLE 5.3-L V8)
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