2008 Chevrolet TrailBlazer Chevrolet TrailBlazer 2008

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2008 Chevrolet TrailBlazer repairs by problem area

Engine (22%)

Transmission and Drivetrain (6%)

Brakes and Traction Control (11%)

Suspension and Steering (26%)

Electrical and Air Conditioning (28%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (2%)

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Chart based on 82 repairs.
See TSBs and recalls for the 2008 Chevrolet TrailBlazer.

2008 Chevrolet TrailBlazer electrical repair cost distribution

$2500+ (4%)

$1000 - $2499 (0%)

$500 - $999 (4%)

$100 - $499 (57%)

< $100 (35%)

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Chart based on 23 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2008 Chevrolet TrailBlazer 4dr SUV

390-horsepower 6.0L V8 4-speed automatic AWD

95900 mi

US $3335
hvac control head, temp LH and door actuator all failed. Had to pull the complete dash apart to get to the pieces and fix. System had heat on one side and ac on the other. 
112711 mi

US $274
When you replace the headlights on the Trailblazer SS, you need to also go ahead and replace the Headlight relay unit. They seem to go hand in hand with failing. 

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2008 Chevrolet TrailBlazer 4dr SUV

300-horsepower 5.3L V8 4-speed automatic RWD

58000 mi AC Delco battery wouldn't charge. 
65000 mi

US $176
Alternator started "chirping". 
84000 mi

US $120
Cabin fan wouldn't stop running. Electronic regulator was replaced. 

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2008 Chevrolet TrailBlazer 4dr SUV

285-horsepower 4.2L I6 4-speed automatic RWD

45791 mi

US $250
replaced steering position sensor bearings went bad on alternator. replaced alternator 
110000 mi

US $186
Went through full diagnostics. No parts were replaced other than those for regular maintenance. It was determined that the sensors were bad and none of the tires had issues. Decided not to replace sensors due to age of car and the fact that it would still pass state inspection. This was a computer issue- communication with sensors 
254000 mi

US $80
ac seemed warm, check revealed pressure was a little low, no leaks were found using pressure test and sniffer test 

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2008 Chevrolet TrailBlazer 4dr SUV

285-horsepower 4.2L I6 4-speed automatic 4WD w/low range

71000 mi

US $225
Condenser was leaking. Replaced the condenser, orifice tube and evaporator 
81380 mi DRL and low beams did not work. Replaced headlight switch. Low beams on headlights did not work. Replaced headlight switch. First switch was faulty. 
82460 mi

C $149
Lights wouldn't shut off. Changed low light relay. 
74340 mi Car would not start in cold weather. Bad cell in battery. Changed battery. Problem fixed. 
84940 mi

C $650
Front windshield wiper motor 
34300 mi

US $133
Battery died while parked overnight. Checked charging system and all was OK. Replaced battery. 
49600 mi Horn was inop - replaced switch mechanism in steering wheel 
63000 mi fan rheostat was faulty---it was burning! 
72000 mi Another no start. Techs back at the house. Now they recommend replacing the starter connector. Maybe the starter too, not sure. Manager does not call back 
72200 mi

US $300
Starter was replaced. 
134200 mi

US $200
a.c. would just stop cooling. temp gauge would stop working. sometimes on restart, everything would work again. completely intermittent 
50 mi On-Star did not work. Software was re-installed. 
55000 mi

US $227
Right front passenger power window failed in the "window down" position 

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2008 Chevrolet TrailBlazer Electrical Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2008 Chevrolet TrailBlazer problems occur, check out our car reliability stats.