Chevrolet TrailBlazer Chevrolet TrailBlazer

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Expensive Chevrolet TrailBlazer repairs by problem area

Engine (29%)

Transmission and Drivetrain (25%)

Brakes and Traction Control (4%)

Suspension and Steering (33%)

Electrical and Air Conditioning (8%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (0%)

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Chart based on 51 repairs.
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Chevrolet TrailBlazer repair cost distribution

$2500+ (14%)

$1000 - $2499 (86%)

$500 - $999 (0%)

$100 - $499 (0%)

< $100 (0%)

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Chart based on 35 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
Left Front hub went out. 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. 
123000 mi

US $672
Regular synthetic oil change and replacement of all O2 sensors. 
130000 mi

US $144
Basic Oil change and safety check of entire auto before the wife took it on a winter road trip with a friend. 
137000 mi

US $444
Windshield was hit by a rock, cracked, had replaced with GM certified part. 

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2008 Chevrolet TrailBlazer 4dr SUV

285-horsepower 4.2L I6 4-speed automatic RWD

71000 mi

US $1700
Bushings, tie rods, 4 new tires, leaking rack and pinion 
90000 mi

US $300
A/C does not activate. Replacement of thermostat was done. 
101000 mi

US $200
Tie rod 

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2007 Chevrolet TrailBlazer 4dr SUV

291-horsepower 4.2L I6 4-speed automatic RWD

110000 mi

US $300
Window regulator, happened to be the Front Passenger, broke. Not uncommon on vehicles of this vintage. Cheaper to fix than the same issue on a BMW sedan! 
150000 mi

US $1500
brake pads and rotors were showing serious signs of wear. It still stopped. about 500 dollars and the brakes are like new, including "adjusting" the rear parking brake shoes.(parking brake works with shoes inside of hat-section in rear rotors). Not the strongest design, but adequate for protecting the parking pawl when used correctely 
55000 mi

US $300
Fuel system problem - fuel gauge reading E at all times regardless of fuel level in tank & Check Engine Light Rear hatch glass will not lock. 
86000 mi

US $1000
Repair/replace 4 corners shock, springs, struts, and related hardware. 
100000 mi

US $900
Water pump bearings failing; new water pump. Otherwise, normals 100k tune-up 

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2007 Chevrolet TrailBlazer 4dr SUV

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

85000 mi

US $200
Stabilitrak light intermittently on. Dealer in VA said system needed to be "reprogrammed" but recurred months later. New dealer in PA said steering position sensor, but part was out of stock. Returned for replacement with no problems since. 
93000 mi

US $530
Transmission cooler lines replaced after noticing transmission fluid dripping from underside (no abnormal mechanical operation). All four lines were corroded; two failed. Replaced all four lines to ensure no future problems. 
103000 mi

US $140
Front driver side hub bearing began "roaring." It became progressively worse, especially after driving through a rain storm. 
104000 mi

US $130
Fuel level sensor causes gauge on cluster to read erratically -- known problem; have TSB from GM. Paid half of repair cost. 
113300 mi

US $170
Grinding/rubbing noise when turning. Replaced passenger side wheel hub. 
112300 mi

US $500
Rear hatch glass exploded while driving on 35mph two-lane road. Temps below freezing; rear defrost on. After some research, it seems to be common - albeit not often discussed - with GMT360 vehicles. 
137000 mi

US $175
All four ball joints required to pass PA state inspection. Over $1000 at the dealer. I bought the ball joints and rented a press and spent a weekend repairing myself for less than $200. 
150000 mi

US $3500
Camshaft actuator sensor code was actually due to no oil in engine. No check engine oil light or anything. Rod knock began; determined spun rod bearing. Engine toast. Traded vehicle. 
114000 mi

US $1500
Aamco replaced the cat converter and both o2 sensors even though there was no code set for them (per dealer, autozone) This fixed the problem I had of no power and seemingly trans slipping. I suspect it was only a disconnected trans vac hose 

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2006 Chevrolet TrailBlazer 4dr SUV, ext.

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

155000 mi

US $230
replace leaking water pump and fan clutch 
184000 mi

US $2951
Transmission had tcc slip and lockup problems due to age and mileage.Unit was replaced with GM service replacement transmission assembly. Transmission still had tcc slip after replacement.Throttle body with throttle position sensor was replaced next.Now all tcc problems have been repaired 

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2006 Chevrolet TrailBlazer 4dr SUV

395-horsepower 6.0L V8 4-speed automatic AWD

70000 mi

US $1212
Air bag light was on - Replaced Passenger presence module, passenger seat & sensor, passenger seat belt pretensioner. Problem solved. 
71000 mi

US $482
Airbag light came on after owner had removed and reinstalled steering wheel during ignition switch replacement. Dealer troubleshooted and replaced clockspring assembly in the steering column. 

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2006 Chevrolet TrailBlazer 4dr SUV

291-horsepower 4.2L I6 4-speed automatic RWD

73000 mi

US $440
Fuel gauge sensor inoperative. Serviceman replaced. 
91000 mi

US $1750
Ruptured seal in the rear differential. Diff oil leaked onto brakes which also needed to be replaced as a result. Rear diff seals replaced. 
133000 mi

US $600
Thermostat and other issues. Engine service MIL set. 

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2006 Chevrolet TrailBlazer 4dr SUV

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

167000 mi

US $674
replace 2 outer tie rods, replace front springs struts, replace rear shocks, replace pulley, replace front bearing drivers side 
190 mi

US $1700
Front transfer case assembly replaced and axle rod. 
59000 mi

US $1135
Shocks weak replaced front and rear 
57411 mi

C $154
The check engine light for the traction control came on. A diagnostic revealed code CO455 in steering sensor. Found in DOC ID to reprogram EBCM. Performed reprogram code 29FFD. This was not under warranty. The check engine light for the traction control came on. A diagnostic revealed code CO455 in steering sensor. Found in DOC ID to reprogram EBCM. Performed reprogram code 29FFD. This was not under warranty. 
57908 mi

C $313
Windshield replaced. 
82620 mi

C $1000
The front wheel bearings and ball joints were replaced, as the vehicle was riding rough with a vibration. Once replaced, it rides smooth and quiet. 
89520 mi

C $180
The belt and belt tensioner were replaced, due to constant squeaking. 
130200 mi

C $1100
Ball joint and sway bar replacement water pump and serpentine belt 

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2005 Chevrolet TrailBlazer 4dr SUV, ext.

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

126000 mi

US $1397
frt & rear link pin loose, both frt wheel bearing very noisy, algmenment & serp belt 
147000 mi

US $1300
Full front and rear suspension including a rods, mounts, brakes all around and rotors 
150000 mi

US $450
Catalytic converter went out  and had windshield washer tank replaced as it leaked to empty in less than a day 

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2005 Chevrolet TrailBlazer 4dr SUV

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

111200 mi

US $1700
Worn ball joints and end links Brake was malfunctioning. All parking brake parts replaced. 
112200 mi

US $180
Replace alternator, idler pulley and belt tensioner 
120000 mi

US $1195
Replace both end links Replaced front drive shaft u joints and seals Fan cluch replaced 
128000 mi

US $400
Pads and rotors all the way around and new front calipers.. 
76000 mi

US $300
Sway bars replaced front and back. 
83200 mi

US $675
Replaced shocks and struts 
84000 mi

US $450
Sway bar links and bushings were worn. One side was under warranty, but the other was not. 
89700 mi

US $350
Replacement of both tie rods also included an alignment Replaced left front half axle. 
86000 mi

US $1200
Replaced water pump and completed 100,000 mile tuneup (radiator flush, transmission flush and gasket replacement, 4-wheel drive flush). 
104100 mi

US $550
Replaced front and back sway bars (one under warranty) and front bushing. 

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2004 Chevrolet TrailBlazer 4dr SUV, ext.

275-horsepower 4.2L I6 4-speed automatic RWD

241500 mi

US $600
had to replace alternator 
256000 mi

US $1100
Failed emissions. Had to replace catalytic converter, other parts. 

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2004 Chevrolet TrailBlazer 4dr SUV

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

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. 
184140 mi

﷼500
Screeching noise and tire vibration were noticed. Upon inspection, it was found that the suspension stoppers and rubber rings in the balance bar (front) need to be replaced. They were replaced. 
185380 mi

﷼1300
Engine sputter was noticed. Turned out the thermosatat not working. It was changes and engine tuning and reprogramming made. Noise coming from under the car. Upon inspection turned out that a part of the front axle was loose. It was the base of the front axle. 
193820 mi

﷼210
Engine is not running smoothly. Sometimes switch off all of a sudden especially when the car is turning. AC is not cooling any more. There was a leak in the system. One pipe was repaired and some rubber joints also repaired then gas was filled again. 
199020 mi

﷼100
AC is cooling but air is not coming out of vents. Turned out the control unit was not working. So, it was replaced. 
203980 mi

﷼113
Oil leak from the pipe on top of the engine. A valve was repaired and a hose replaced. Rubber parts on front axle wore down. Grease was leaking. Rubber parts were changed. 
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. 
216380 mi

﷼500
All rubber rings connecting the suspension parts were replaced. Oil leaks in various places especially in the steering oil tank. The mechanic tried a temporary fix for the time being to bring the repair cost down but was not successful. No full repair was tried so far. 
89000 mi

US $1200
Replace Air Conditioning Condensor and Evaporator Core 
133000 mi

US $1190
Replace Transmission Replace Transmission 

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2003 Chevrolet TrailBlazer

Engine not specified

79000 mi

US $1000
Replaced alternator. Replaced thermostat. Replaced radiator hoses.  Replaced gas cap three times. Installed proper oil filter. Properly installed oil pan plug and gasket. Changed the oil and filled it correctly. Replaced the radiator. Replaced alternator again. Replaced ignition system electronics. 

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2003 Chevrolet TrailBlazer 4dr SUV, ext.

275-horsepower 4.2L I6 4-speed automatic RWD

94000 mi

US $1700
ALL UPPER AND LOWER CONTROL ARMS NEEDED REPLACED ALONG WITH ALL FOUR BALL JOINTS, REPLACED BOTH FRONT SWAY BAR LINKS, REPLACE BOTH FRONT STRUTS. 

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2003 Chevrolet TrailBlazer 4dr SUV, ext.

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

138000 mi

US $2200
Rebuilt transmission due to bad torque converter causing internal damage. 
120000 mi

US $2000
front differetial 
132700 mi

US $120
Blower fan resistor died. AC ok but fan won't run. 
115000 mi

US $700
Roaring sound from front, louder with higher engine speed. Dealer tech diagnosed bad radiator fan clutch. Replacement part fixed the problem. Check engine light - dealer replaced fuel cap. 
126600 mi

US $1100
Transmission would not shift automatically. Manual selection on shifter still worked to upshift and downshift. 
139200 mi

US $2700
Worn sway bar link bushings. Squeaking noise over bumps. Replaced all links. Growling noise from front while driving. Bad bearings. Replaced both front wheel hubs. 
144200 mi

US $1800
Transmission leak repair 
171000 mi

US $305
Loose part in muffler causing rattling noise, especially at idle. The shop welded up a fix because it was much cheaper than OEM replacement part. Pulled over for brake lights not working. Center high brake lamp worked and turn signals worked, but not tail brake lights. Shop replaced circuit boards for tail lamps. 
181900 mi

US $400
Front wipers not working. Found blown fuse, replaced fuse, blown fuse again. Replaced Wiper motor. 
189000 mi

US $1100
AC compressor failed. Replaced with new compressor. Rattling noise in front axle. Shop discovered loose connection to passenger-side front half axle at transfer case. Decoupler needed to be replaced. No new parts available at any price. Replaced with rebuilt used part. 
200000 mi

US $500
Rough idle and low power. Diagnosed one spark plug not firing. Replaced ignition coil. 
63840 mi

C $1500
Replaced coolant line under vehicle. Replaced water pump leaking. Replaced power steering pressure hose leaking. 
73160 mi

C $800
Problem with rattle. 
77500 mi

C $1300
Leak in rack and pinion 
96720 mi

C $1800
Struts worn out, ball joint, bushings, 

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2003 Chevrolet TrailBlazer 4dr SUV

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

204000 mi

US $1000
The front end was almost completely replaced, including upper and lower arms and everything attached to them. 
211000 mi

US $700
Replaced solenoids 
214000 mi

US $100
Leaking gas hose was replaced 
214700 mi

US $200
Sensor replaced 
99820 mi

C $900
Poor gas mileage 
112920 mi

C $1083
New Exhaust Fan Clutch Replaced 
107000 mi

US $1300
Upper and lower balljoints and one tierod end. 

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2002 Chevrolet TrailBlazer 4dr SUV

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

83000 mi

US $800
Front tie-rods replaced. Injector cleaning. 
96000 mi

US $1400
Cooling tubes between trans and radiator broke while driving. Also leaking front joints required replacement. Had coolant flushed and replaced. Other maintenance cost. 
97000 mi

US $450
rear passenger window motor failed. replaced. 
104000 mi

US $250
passenger rear window motor failed. replaced. 
105300 mi

US $478
Noise when checking my kid's car made me very uncomfortable. Drove to open Sunday repair shop, turned out to be worn driver front wheel bearings. Really struggled...do not know why. Also had trouble with very rusted tire heat shield. 
147000 mi

US $425
Lines to Transmission corroded, leaked, and popped off. 
148000 mi

US $3000
Lines popped off, overheating Transmission, destroyed transmission, caused engine fire, burned wire harness and computer. This happened twice, the 2nd time causing fire and destroying car. Based on initial tranny repair by shop. 
126000 mi

US $200
They were getting three engine actuator errors so they replaced it. They had to flush out a sensor on the engine and do a computer update The 4wd was not working and they had to replace the switch. 
130000 mi

US $280
Rear outer tie rod was loose and worn 

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Chevrolet TrailBlazer Expensive Problems

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