TrailBlazer EXT's assets include a comfortable ride, easy accessibility and a third-row seat suitable for adults. However, they are outweighed by a long list of liabilities. Despite the fairly powerful engine, TrailBlazer EXT delivered slow acceleration and poor fuel economy. We also found the handling sloppy and braking unimpressive. Further, the interior trim and controls look and feel flimsy.
Alerts
There are 2 recalls on this vehicle. Learn More.

Reliability

Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey, our reliability history charts give you a rundown on how used vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system.

Overall Reliability
Most Common Trouble Spots
Common Trouble Spot
Common Trouble Spot
The 2004 Chevrolet TrailBlazer has been recalled 2 times by NHTSA. View Recalls
Research Years * Redesign year
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Overall Reliability Verdict
NA
POTENTIAL TROUBLE SPOTS
Engine Major
NA
Engine Minor
NA
Engine Cooling
NA
Transmission Major
NA
Transmission Minor
NA
Drive System
NA
Fuel System
NA
Electric System
NA
Climate System
NA
Suspension
NA
Brakes
NA
Exhaust
NA
Paint/Trim
NA
Body Integrity
NA
Body Hardware
NA
Power Equipment
NA
In-car Electronics
NA
Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for about 329,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2020 vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system. NA 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.

Learn more about car Reliability.

Owner Reported Trouble Spots

The Reliability score is based on our latest subscriber survey of 2004 Chevrolet TrailBlazer 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

A/C compressor

"This car is operated in central vs where high heat is common. I do not consider this an unusual expense"

Robert L., CA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"clutch bearngs went bad"

Anonymous, MI (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Drivers side air quit working but the passenger side works"

James K., PA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"Clutch on compressor failed"

Anonymous, WA (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Automatic climate control

"electronic issue with the heater blowing cold in the winter. Very expensive to fix."

Anonymous, CO (2004 Chevrolet TrailBlazer 4.2-L 6 Cyl)

"Heat and AC will not regulate, goes back and forth, even after having computer re calibrated"

S V., TN (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Needed to replace damper moters"

Anonymous, IL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Actuators needed replacing. Rear hvac doesn't work"

Marla M., SD (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"Damper motors!"

Anonymous, IL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Electrical connections wore due to age"

John Z., TX (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Blower (fan) motor

"the blower fan motor wiring shorted out and caused the motor to become inoperable"

Derrick R., MT (2004 Chevrolet TrailBlazer EXT 5.3-L V8)

"failure of the highest speed"

Anonymous, IL (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"Fans failed. Car would not cool"

Anonymous, CA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"In dash control would not allow venting at the upper level. Only defrost and foot level was allowed"

Luke F., WI (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"Blower motor control processor died"

Anonymous, NL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Standard regulator problem. Fan only works at specific speeds or not at all. This means the automated part of the climate control is useless because you have to manually select the fan speeds."

Anonymous, IN (2004 Chevrolet TrailBlazer EXT 5.3-L V8)
Condenser

"Condenser developed leak due to constant travel over extremely rough gravel roads in our area. Replaced condenser"

John O., MI (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Evaporator

"damaged and had to be repoaced"

William H., NC (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Heated or cooled seat controls

"I've replaced the seat heater once and now it's broken again. This time we are not replacing it. The back seat heaters have always worked and we never had an issue with them , just the fanny seat heaters"

Jennifer B., IL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Heater system

"the heater transfer switch under the dash quit working and had to be replaced. this switch was what switched from heat to defroster."

Anonymous, MI (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"thermostat needed to be replaced due to engine check light"

Dennis U., NE (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Refrigerant leaks

"high pressure line to rear cooling system developed a leak and lost all refrigerant. It has not been repaired because of cost"

Joseph S., OH (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"It leaks, have to recharge last summer"

Anonymous, OH (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

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

Body control module

"car would not start, warning lights were on. had to replace the control module"

Anonymous, MI (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Exterior lights (other than headlights)

"The turning signal lamps fail. Both sides now"

Anonymous, CA (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Gauges

"false readings"

Jeffrey O., OH (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"battery gauge stuck below where it should have been. speedometer stopped working when it got cold out. still sticks once in a while. gas gauge went over full mark a day after it had been filled"

Anonymous, ME (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"Instrument panel does not work itermitantly"

Anonymous, OH (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"All dashboard gauges except speedometer do not work"

Robert F., PA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"First the temperature gauge went to hottest temperature when car started, then battery gauge did same thing, then the fuel gauge did the same thing"

Anonymous, CA (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"My 2004 Chevy Trailblazer EXT's oil pressure and temperature gauges have both failed. My mechanic states it is over $400 to replace the cluster"

Anonymous, MD (2004 Chevrolet TrailBlazer EXT 5.3-L V8)

"Rpm gauge quit working"

James K., PA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Headlights

"Bulb changes"

Anonymous, FL (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"My 2004 Chevy Trailblazer EXT's driver's headlight has had trouble for several years. The wiring harness burned up and has been replaced three times. The relay has also been replaced due to failure. The headlight works when it wants to for now"

Anonymous, MD (2004 Chevrolet TrailBlazer EXT 5.3-L V8)

"Headlights did not work on low beam"

Lois W., AR (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"many of these models had a defective low beam relay that failed and shut off the low beam headlites. it could reset but the solution was to replace the relay with an upgraded relay. This was not covered as a factory defect in my 2004. it was a factory replacement in the 2006 or newer."

Robert, CA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Heated or cooled seats

"When the heat seat button is pushed only the back heats up, the seat does not heat up at all"

Anonymous, MI (2004 Chevrolet TrailBlazer EXT)
Interior lights

"I'm not sure if its the lights or just electrical problems in general the seemed to keep draining the battery."

Anonymous, CO (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)
Keyless entry

"Receiver failed"

Anonymous, NC (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"when the vehicle is started with the remote starter, the doors lock. it takes 2 to 4 times to unlock it. when I start driving they will lock"

Anonymous, ME (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Warning lights

"My check engine light has been on for 10 years, but there has been no problems with the vehicle"

Anonymous, TX (2004 Chevrolet TrailBlazer LS)

"warning gauge for oil pressure lights up at random. internet research indicates this is not an actual oil pressure issue, but instead a faulty gauge"

Anonymous, DC (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Wiper motor or washer

"The rear wiper motor on the auto just quit. I believe it should last longer than a few years"

Anonymous, MI (2004 Chevrolet TrailBlazer EXT)

Brakes

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

What Owners Say

Antilock system (ABS)

"The control sensor for the ABS went bad"

Thomas S., NY (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"EBCM failed. $2000+ repair cost has been prohibitive"

Patricia D., WA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"The ABS light came on, sensor was bad,replaced ABS sensor"

Ronald B., TX (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Bearings and abs had to be replaced"

Sean G., MD (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)
Calipers

"normal wear"

Richard G., IN (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Normal routine brake wear

"The front pads and rotors had to be replaced, but due to normal wear."

John O., MI (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Took car to shop to check on "everything it might need" and new brakes were recommended on all four wheels"

Anonymous, KY (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"Rotors, calipers"

Donald P., CT (2004 Chevrolet TrailBlazer 4.2-L 6 Cyl)

"normal wear after 105000 miles"

Richard G., IN (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"had to replace them cause they needed to be fixed"

Anonymous, IL (2004 Chevrolet TrailBlazer LS)

"Rotors and Calipers had been replaced by previous owner. I was surprised I had to do it again. I never had to do two complete brake jobs on any car that I have owned."

Bruce P., ME (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Parking brake

"Cost: Need to remove entire brake assembly to fix parking brake. Was quoted $700.00 to replace and fix parking break"

Bruce P., ME (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Premature brake wear

"The facing pulled off from one outside brake pad on the driver's side rear while all other rear brake pads had 4 mm of thickness. Rear brakes had 15000 miles on them. Chevrolet Service Dept. believes problem was due to a defective pad."

John O., MI (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Replaced rotors and pads as DIY. Less than a year later had to have everything redone including new calipers"

Eric M., MN (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Rotors

"It seems like the brake sensors don't give you enough time to let you know the pads are going bad, then it always seems you have to replace the rotors, every time."

Anonymous, CT (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Rotor bad, had to replace the rotor on the passenger side"

Ronald B., TX (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Squeaking

"I needed new brake job, pads,roters,and calipers"

Thomas S., MI (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

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

Alignment

"needed alignment often"

Donald P., CT (2004 Chevrolet TrailBlazer 4.2-L 6 Cyl)
Ball joints

"Upper and lower replaced on both driver and passanger side."

Anonymous, CT (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)
Power steering leaks

"Shop unablre to stop leaks! (Even after replacing hoses etc.)"

Anonymous, IL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Power steering pumps and hoses

"Both the pressure and return lines have rusted through causing leaks severe enough to drain all of the fluid from the system"

Anonymous, GA (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"Continued leaking! (Even after replacement)"

Anonymous, IL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Shocks or struts

"replaced rear shocks"

Derrick R., MT (2004 Chevrolet TrailBlazer EXT 5.3-L V8)

"they wore out and produced vibration and tire wear"

Michael H., TX (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Steering linkage (includes rack and pinion)

"Squeaking noise within steering column. Noted by shop to be a power steering fluid leak into the area around the rack and pinion"

Anonymous, KY (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"Steerinh rack was leaking"

Anonymous, NL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Tie rods

"Tie rod ends were worn and needed replaced"

Anonymous, IA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Wheel bearings

"Left front wheel bearing assembly was growling and was replaced for $322."

Don E., VA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"Front Right wheel hub bearing noise. Replaced myself for < $65"

E S., MI (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"The wheel bearing on the drivers side failed at 120,000 miles and the pickup for the anti-lock brakes failed on the rt. side"

Anonymous, GA (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

Transmission Minor

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

What Owners Say

Coolers and lines

"Transmission cooling lines had to be replaced due to rust caused failure"

Anonymous, CT (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)
Gear selector or linkage

"Gear linkage broke and needed replacing"

Anonymous, LA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Rough shifting

"The transmission fluid was replaced and one technician said that there were metal shavings in the fluid, but another technician told me that the first didn't know what he was talking about. Several thoUSnd miles later, the transmission started maki"

Anonymous, SC (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Slipping transmission

"transmission started slipping"

Anonymous, MI (2004 Chevrolet TrailBlazer EXT 5.3-L V8)
Transmission computer

"wireing"

Donald M., MD (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"no reverse"

Anonymous, LA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Transmission leaks

"THE LEAK WAS ACTUALLY A FRONT LEFT AXLE SEAL. COST TO REPAIR AROUND $400.00"

Brian B., IL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

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

"A CD is stuck in the CD player and has been since we purchased the SUV in 2004"

Steve S., OR (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"cd player will not eject disc"

Derrick R., MT (2004 Chevrolet TrailBlazer EXT 5.3-L V8)

"CD player stopped ejecting &/or playing CD's"

Anonymous, KS (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Radio

"radio works intermittently"

Robert F., PA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

"Radio or amp or speakers failing!! (Can’t determine which component)"

Anonymous, IL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Speakers

"Speaker volume is going in and out"

Rodney M., NC (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

Engine Minor

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

What Owners Say

Engine computer

"The vehicle entered a low power mode without warning. It would only drive a maximum of about 15 mph. This lasted for about 30 minutes. I was afraid the vehicle wouldn't restart so I kept it running until I reached home. The problem cleared itself after it was restarted, but it was very disconcerting while it was ongoing"

Anonymous, FL (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Dashboard showed check engine message. It cost us $1600 to get it fixed"

Anonymous, TN (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Engine knock or ping

"Second ignition coil replacement on this car since owning"

Eric M., MN (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Fuel leaks

"Had to replace the fuel tank"

Cindy R., AZ (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

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

Differential

"Front differential bearings are defective. May dispose of vechicle"

E S., MI (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

"The front differential bearings wore out. Can't replace the bearings, have to replace the whole assembly. Ridiculously expensive!"

Anonymous, TN (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Electrical failure

"i had a failure of one or more of the HIVAC actuators that control the flow of heat or cooling from the PASSENGER side of the interior,. this is a complex labor project costing close to 1000 dollars. It is unusual and was repaired to my satisfaction at my local dealer with a 12 mos warranty"

Robert L., CA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Transfer case

"the acautor control that makes it switch between 2w, 4w low and 4w hi quit working and had to be replaced."

Anonymous, MI (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

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

Emission control devices (includes EGR)

"Secondary air pump, had to replace it twice in the last couple of years."

Anonymous, CT (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Air box bad"

Rodney M., NC (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Secondary Air injection pump failed...I installed a new AC Delco pump purchased from Amazon"

Dennis F., NY (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Sensors (includes O2 or oxygen sensor)

"The front 02 sensor needed to be replaced"

Anonymous, PA (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

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

"Water leaks under carpet from air conditioner Had repaired is happening again"

Anonymous, FL (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Squeaks or rattles

"I have complained numerous times during the first two years about a strange noise heard from the driver's side. However, my complaints were just ignored. Maybe because I'm a female and supposedly don't know anything"

Anonymous, SC (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"The whole interior is made of hard plastic, so it squeaks after 15 years."

Anonymous, IN (2004 Chevrolet TrailBlazer EXT 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

Cylinder head

"Check engine light returned low pressure reading in one cylinder. Required header rebuild"

Anonymous, MN (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Noticed a rough idle. Looked into it and replaced a few minor parts. this didn't fix the issue and it continued to idle rough.. took it to my mechanic and he check it out and said it would need a new head. Which was done just this past month."

Catherine K., DE (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)
Engine rebuild or replacement

"still in progress"

Anonymous, DE (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

Exhaust

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

What Owners Say

Catalytic converter

"Dealer cost to replace was ridiculous ( $800.00) after market much cheaper but GM computer won't recognize the after market CC so the "check engine" light stays on. It's their way of attempting to force you into buying their replacement parts"

Donald H., KY (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Exhaust leaks

"This was the original exhaust system. It was 13 years old, very good life and service"

Jim M., OH (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)
Exhaust manifold

"Cracks in exhaust manifold"

Anonymous, AB (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

Paint/Trim

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

What Owners Say

Paint (fading, chalking, cracking, or peeling)

"Hood clear coat cane off and had to repaint"

S V., TN (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

"Paint peeling and chalking badly"

Sean G., MD (2004 Chevrolet TrailBlazer EXT 4.2-L 6 Cyl)

Transmission Major

Transmission rebuild or replacement, torque converter, clutch replacement.

What Owners Say

Transmission rebuild or replacement

"4wd failed. option to rebuild completely from drive shaft or remove 4wd drive shaft and only have the car operate as 2wd. chose the latter because of expense. $800 instead of $3500"

Anonymous, DC (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

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

Sunroof

"Sun roof fell in"

Cindy R., AZ (2004 Chevrolet TrailBlazer LT 4.2-L 6 Cyl)

Engine Cooling

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

What Owners Say

Thermostat

"Code ETC PO 0128 signals low temperature of coolant. Two separate events in 12 Months..replace thermostat not the reason for the code suspect sensor. Replaced may 2017"

Robert L., CA (2004 Chevrolet TrailBlazer LS 4.2-L 6 Cyl)

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

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This score shows whether the model had more or fewer problems overall than the average model of that year, calculated from the total number of problems reported by subscribers in all 17 trouble spots.
Recalls
PROVIDED BY
EXTERIOR LIGHTING:TURN SIGNAL
May 05 2005
THE DRIVER MAY NOT BE ABLE TO CLEARLY SIGNAL THEIR INTENTIONS TO TURN, CHANGE TRAVEL LANES, OR POTENTIALLY WARN OTHERS OF AN IMPAIRED VEHICLE OPERATING CONDITION INCREASING THE RISK OF A CRASH.
Summary:
ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED SIDE ONLY.
What should you do:
DEALERS WILL REPLACE THE SUSPECT FLASHER MODULES WITH A NEW FLASHER MODULE DESIGNED WITH SEALED RELAYS AND MORE DURABLE CONTACT MATERIAL INSIDE OF THE RELAYS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2005. ISUZU BEGAN MAILING OWNER LETTERS ON AUGUST 4, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, ISUZU AT 1-800-255-6727, BUICK AT 1-866-608-8080, AND OLDSMOBILE AT 1-800-630-6537.
For more information:
GM RECALL NO. 05044.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.
NHTSA CAMPAIGN ID Number: 05V198000
Potential Number of Units Affected: 286478
EXTERIOR LIGHTING:BRAKE LIGHTS
Nov 01 2004
AN INOPERATIVE BRAKE LAMP WILL NOT CONVEY THE DRIVER'S INTENTION OF STOPPING TO DRIVERS IN FOLLOWING VEHICLES, AND AN INOPERATIVE REAR TURN SIGNAL LAMP WILL NOT CONVEY THE DRIVER'S INTENTION TO TURN TO DRIVERS IN FOLLOWING VEHICLES. BOTH OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH.
Summary:
ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.
What should you do:
DEALERS WILL INSPECT THE TAIL LAMP/STOP LAMP ASSEMBLIES, AND IF NECESSARY, REPLACE THEM. THE RECALL BEGAN ON NOVEMBER 22, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, BUICK AT 1-866-608-8080, OR GMC AT 1-866-996-9463.
For more information:
GM RECALL NO. 04087. CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
NHTSA CAMPAIGN ID Number: 04V527000
Potential Number of Units Affected: 871473
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