Pontiac Grand Prix Pontiac Grand Prix

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Pontiac Grand Prix repairs by problem area

Engine (40%)

Transmission and Drivetrain (10%)

Brakes and Traction Control (12%)

Suspension and Steering (18%)

Electrical and Air Conditioning (14%)

Paint, Rust, Leaks, Rattles, and Trim (3%)

Other (4%)

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Chart based on 308 repairs.
See TSBs and recalls for the Pontiac Grand Prix.

Pontiac Grand Prix transmission repair cost distribution

$2500+ (13%)

$1000 - $2499 (10%)

$500 - $999 (17%)

$100 - $499 (23%)

< $100 (37%)

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Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2007 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

55000 mi Transmission was shifting hard, took to repair shop to have diagnosed. Transmission failing. Got rid of car.  

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2006 Pontiac Grand Prix 4dr Sedan

303-horsepower 5.3L V8 4-speed shiftable automatic FWD

109400 mi

US $200
Car was chugging up hills, sort of like a soft buck or surge forward. Also chugging at any speed if rpms were between 1200-2000. Then the car would not move if put into any forward or reverse gear. 
147000 mi

US $65
New remanufactured transmission started heating up to 220 degrees and higher Fahrenheit, so a Hayden 679 Transmission cooler was installed and now the transmission rarely reaches 200 degrees Fahrenheit. 
29000 mi Trans failed. Trans was rebuilt under warranty. Failed again 2 days later. Valve body was replaced. 2 weeks later trans failed. Dealer installed new trans. New trans failed 1 week later. GM agreed to repurchase vehicle ("lemon law"). Note: Trans is same a 

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2006 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

89700 mi

US $100
Bottom transmission cooling lines were rusty, do to Michigan salt of course, and had to be replaced as they were leaking. Were noticed when changing transmission fluid. 
205500 mi

US $947
Hard shifting when hot, slow shifting, erratic torque converter lock, torque converter lock/unlock at speed. Multiple diganostic transmission codes. TCC and EPC solenoids deemed bad. Replaced all solenoids and input speed sensor. 

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2005 Pontiac Grand Prix

Engine not specified

29760 mi

C $800
Gear shift cable broke and the brake interlock was broken as well. 

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2005 Pontiac Grand Prix 4dr Sedan

303-horsepower 5.3L V8 4-speed shiftable automatic FWD

116000 mi went threw car wash, trans. stuck in limp mode, blew 10 amp fuse found spare in the fuse box now good to go for last 100 miles 
116000 mi

US $1700
noise coming from bellhousing some slipping going up long hills, few days later would not move or get up to speed, new torque converter, added trans cooler and a shift kit ;) 
92000 mi rebuilt transmission 

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2005 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

94220 mi

C $650
Trans cooler lines replaced. Trans flush and oil change. Oil and lube + 15 point check up. Injectors cleaned. 160,000km service all done. 

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2004 Pontiac Grand Prix 4dr Sedan

supercharged 260hp 3.8L V6 4-speed shiftable automatic FWD

175000 mi

US $809
With the transmission in Drive the car would not move. 
216000 mi

US $3470
No back pressure on downshift 

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2004 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

230158 mi

US $28
One of the transmission cooler hoses was leaking. Replaced both hoses. 

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2003 Pontiac Grand Prix 4dr Sedan

supercharged 240hp 3.8L V6 4-speed automatic FWD

1305000 mi

US $1700
Moaning sound at speed. Rough shifts. Rebuilt trans. 

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2002 Pontiac Grand Prix 4dr Sedan

supercharged 240hp 3.8L V6 4-speed automatic FWD

199000 mi

US $170
Cv joints 

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2002 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

118000 mi Transmission went bad. 
88000 mi

US $3000
Transmission blew at 88k miles. Cost 3000 to fix it. scrapped it instead 

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2002 Pontiac Grand Prix 4dr Sedan

175-horsepower 3.1L V6 4-speed automatic FWD

166000 mi

US $1500
transmission and torque converter failed 

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2001 Pontiac Grand Prix 4dr Sedan

supercharged 240hp 3.8L V6 4-speed automatic FWD

77000 mi

US $3500
Catastrophic transmission failure. Replaced transmission. 
75000 mi Third blown transmission in the last 3 years I owned it. 
145000 mi

US $2700
Lost overdrive and noticed more slippage between gears than normal. Transmission was rebuilt with several new "hard" parts along with the standard rebuild. 
156000 mi

US $300
Vibration still occurred at about 40 mph. Left front CV shaft needed to be replaced. Problem solved. 
150660 mi Transmission shudders, shaking entire car, when hits 80+Kph. 

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2001 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

200000 mi

US $157
Grease leaking out of CV joint boot on drivers side. 
128000 mi

US $300
Had a bad vibration at 65 mph and clicking on tight turns, Replace both short shafts, CV joints and boots.  
119000 mi

US $450
Shifting was hard into 2nd gear mainly. The pressure solenoid was needed to be replaced. As the tranny warmed up the shifting would get worse. 

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2001 Pontiac Grand Prix 2dr Coupe

supercharged 240hp 3.8L V6 4-speed automatic FWD

136000 mi

US $90
replaced failing cv joint on passenger side 
155000 mi bad passenger side half-shaft 

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1999 Pontiac Grand Prix 4-door

6-cylinder automatic 2WD

186000 mi

US $500
transmission cooler line leak 

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See TrueDelta's information for all Pontiac models.

Pontiac Grand Prix Transmission Problems

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