The 2004 Silverado 2500HD is less reliable than other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2004 Chevrolet Silverado 2500HD owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"Muffler rusted out and needed replacement"
Anonymous, NY (2004 Chevrolet Silverado 2500HD LT 8.1-L V8)"Exhaust pipes rusted out and required replacement."
Anonymous, NY (2004 Chevrolet Silverado 2500HD LT 8.1-L V8)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
""blower, sensor and control panel needed to be replaced""
Anonymous, FL (2004 Chevrolet Silverado 2500HD LT 6.0-L V8)"Articulator failed so I couldnt control the heater or air-condition. Thebheatercwas stuck on."
Anonymous, NV (2004 Chevrolet Silverado 2500HD LS 8.1-L V8)"Has leaked down 3 times in the last 2 years. First time they said if I would let them put in a value that they could put a dye into to make it easier to find the leak. Seems to leak down faster after each attempt to find it. Im looking for a new repair shop."
Anonymous, GA (2004 Chevrolet Silverado 2500HD LT 6.0-L V8)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.
"The "front end " suspension was worn out after many miles and severe usage and from plowing"
Anonymous, (2004 Chevrolet Silverado 2500HD LT 6.6-L V8 diesel)"Needed new ones"
Anonymous, CA (2004 Chevrolet Silverado 2500HD LS 6.6-L V8 diesel)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
"Only reason I replaced engine with remanufactured engine was cost. Due to head gasket issues and worn out turbo charger."
Anonymous, NC (2004 Chevrolet Silverado 2500HD LT 6.6-L V8 diesel)"LLY engine notorious for head gasket problems. Replaced head bolts with ARP studs."
Anonymous, NC (2004 Chevrolet Silverado 2500HD LT 6.6-L V8 diesel)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
""Glow plugs on the Duramax require replacement about every 3 years. If they are untouched, they may be difficult to remove. I use a repair shop that is knowledgeable about diesels and Duramaxes in particular.""
Anonymous, NY (2004 Chevrolet Silverado 2500HD LS 6.6-L V8 diesel)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, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
""I had to have the main fuse block rewired due to deterioration and rodent damage. Truck is reliable, but occasionally shows false check engine lights and brake / ABS warning lights. This is a 21 year old truck..""
Anonymous, NY (2004 Chevrolet Silverado 2500HD LS 6.6-L V8 diesel)Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
""Cracked manifolds, and fixed the doors on the ventilation system.""
Anonymous, WI (2004 Chevrolet Silverado 2500HD LT 8.1-L V8)