| 1 | 0 | 3 | 4 | 3 | 4 |
2004 Chevrolet TrailBlazer repairs by problem area
Engine (38%)
Transmission and Drivetrain (10%)
Brakes and Traction Control (3%)
Suspension and Steering (24%)
Electrical and Air Conditioning (23%)
Paint, Rust, Leaks, Rattles, and Trim (0%)
Other (3%)
Select a problem area
Chart based on 93 repairs.
2004 Chevrolet TrailBlazer engine repair cost distribution
$2500+ (0%)
$1000 - $2499 (6%)
$500 - $999 (15%)
$100 - $499 (41%)
< $100 (38%)
Chart based on 34 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2004 Chevrolet TrailBlazer
Engine not specified
| 57000 mi US $172 |
Replaced the electric ignition switch under dash, 3rd time since we bought the TrailBlazer new |
| 42000 mi US $600 |
Radiator fan clutch needed replacement together with water pump. Changed spark plugs at same time and flushed transmission oil |
2004 Chevrolet TrailBlazer 4dr SUV, ext.
290-horsepower 5.3L V8 4-speed automatic RWD
| 65000 mi US $502 |
water pump replaced |
| 76000 mi US $920 |
replace catalytic converter |
2004 Chevrolet TrailBlazer 4dr SUV, ext.
275-horsepower 4.2L I6 4-speed automatic RWD
| 256000 mi US $1100 |
Failed emissions. Had to replace catalytic converter, other parts. |
| 121100 mi US $400 |
Car acted like there was a fuel interuption/stoppage. Would simply shutdown for no reason. |
2004 Chevrolet TrailBlazer 4dr SUV, ext.
275-horsepower 4.2L I6 4-speed automatic 4WD w/low range
| 136000 mi US $360 |
cracked exhaust manifold replaced also replaced spark plugs and ignition coils at this time. |
| 169500 mi US $250 |
broken rear bolt that holds on exhaust manifold, cracked manifold, burned up gasket for rear cylinder 2nd new exhaust manifold put on in 4 years time - this chevy trailblazer is the biggest piece of crap vehicle I have ever owned.. the designers should be lynched !!! |
2004 Chevrolet TrailBlazer 4dr SUV
275-horsepower 4.2L I6 4-speed automatic RWD
| 175000 mi | Cuts off occasionally at a stop. |
| 86000 mi US $438 |
Engine light came on. The temperature gauge was showing very high temperature. Mechanic showed the code to be a thermostat AND sensor malfunction. Thermostat was stuck closed. Thermostat and sensor replaced. |
| 86000 mi US $89 |
Engine stopped running at idle. Code showed MAP sensor was bad. Replaced sensor. |
2004 Chevrolet TrailBlazer 4dr SUV
275-horsepower 4.2L I6 4-speed automatic 4WD w/low range
| 209000 mi US $550 |
Replaced spark plugs and coil packs and fuel pressure regulator. |
| 157000 mi US $120 |
Engine operating temperature running below spec by 10 degrees. Replaced thermostat |
| 207000 mi US $750 |
Serpentine belt had cracks on it |
| 36000 mi | Camshaft position sensor |
| 47950 mi US $382 |
Fan clutch/water pump |
| 59240 mi US $107 |
Water pump rechanged. N/C. New belt and 60$ labor |
| 80000 mi US $450 |
Gas smell but no apparant leak. Dealer dropped tank and replaced fuel pump/tank lines. This was done at NO COST!!! based on VIN# and a letter received from GM some years earlier stating that this failure was likely to happen. Hats off to GM Exhaust manifold cracked. Replaced w/aftermarket. 2 bolts broken in head and new O2 sensor needed. |
| 83000 mi US $10 |
Engine idle would drop low and sometimes even stall when heater or AC was engaged. Problem was fixed by removing air intake system and cleaning the accumulated gunk from throttle body butterfly. |
| 131000 mi US $250 |
replaced faulty fan clutch--also replaced waterpump ,belt,and belt tensioner. |
| 139000 mi US $30 |
Fan Clutch solid state relay replaced. Fan clutch running constantly at hi speed. |
| 129600 mi US $30 |
Replaced faulty O2 sensor. |
| 168000 mi US $45 |
#4 cylinder coil dead |
| 153000 mi | losing map sensor and air pump |
| 168020 mi ﷼300 |
Vibration during idle and moving. Changed the engine mounts. Problem solved |
| 179800 mi ﷼300 |
Major vibration detected and engine light blinking. Computer check showed faulty thermal sensor. Turned out a cable connecting the sensor was not working. Repair included cable, spark plugs, engine tuning. |
| 185380 mi ﷼1300 |
Engine sputter was noticed. Turned out the thermosatat not working. It was changes and engine tuning and reprogramming made. |
| 193820 mi ﷼210 |
Engine is not running smoothly. Sometimes switch off all of a sudden especially when the car is turning. |
| 203980 mi ﷼113 |
Oil leak from the pipe on top of the engine. A valve was repaired and a hose replaced. |
| 212040 mi ﷼253 |
Substantial oil leakage from the upper part of the engine. The Upper gasket was change along with spark plugs and one injector. |
| 214300 mi ﷼176 |
Timing belt was cut. It turned out the water pump was failed and it could be the reason for the belt failure. Both were replaced. |
| 79500 mi US $853 |
Replaced Thermostat & Coolant. Front Brakes & Rotors, brake fluid replaced. Replaced engine air filter. |
2004 Chevrolet TrailBlazer 4-door
6-cylinder automatic 2WD
| 50000 mi US $50 |
Clamp on the gas inlet valve was loose. Had to be tightened. |
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