Pontiac Grand Prix Pontiac Grand Prix

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Expensive Pontiac Grand Prix repairs by problem area

Engine (35%)

Transmission and Drivetrain (23%)

Brakes and Traction Control (10%)

Suspension and Steering (26%)

Electrical and Air Conditioning (3%)

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

Other (3%)

Chart based on 31 repairs.
See TSBs and recalls for the Pontiac Grand Prix.

Pontiac Grand Prix repair cost distribution

$2500+ (37%)

$1000 - $2499 (63%)

$500 - $999 (0%)

$100 - $499 (0%)

< $100 (0%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 19 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2005 Pontiac Grand Prix 4dr Sedan

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

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 ;) 
71000 mi

US $500
new alternator new alternator $300 for part from Rockauto. Had dealer install along w/belt for additional $200. 
72 mi

US $500
wheel hub and tie rod wheel hub and tie rod replaced. Both were worn and causing looseness in the steering. 
99700 mi

US $400
Compressor bearing was going out. Compressor was replaced Harmonic Balancer (crankshaft pulley) was out of balance. It was replaced. The labor was about 5 hours. front right wheel hub was loose. Replaced by mechanic The driver's side rear door lock mechanism was only working intermittently. It would sometimes remain locked or unlocked. Part was replaced in about 30 minutes. Water pump began leaking and spraying water everywhere. It was replaced. 
103000 mi

US $130
The Electronic Brake Control Module(ECBM) went bad. $888 for a new part, but I removed it myself and shipped to repair shop for $100 to be repaired and returned. 

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2005 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

117000 mi

US $1500
Right front tire bearings replaced Power steering leak 
132000 mi

US $1000
Steering rack and pump had to be replaces 

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2004 Pontiac Grand Prix 4dr Sedan

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

153200 mi

US $763
Car would not start. Towed to Elway Chevrolet. Fual pump found to be bad. Fuel pump replaced. Problem solved. 
170000 mi

US $247
Replaced catalytic converter Replaced spark plus and plug wires 
206400 mi

US $580
Power steering pump, oil change, flush brake lines 
216000 mi

US $3470
No back pressure on downshift Hood struts worn out 
231000 mi

US $745
Heater core leaking 
239000 mi

US $443
Replaced brake fluid reservoir. Fluid level sensor failed. Replaced unit. Drained and flushed the system 
248000 mi

US $635
Fluid leak. Radiator replaced 
262500 mi

US $1788
Wheel bearings w/ harness and speed sensors replaced. Causing check engine light to come on an off Thermostat needed to be replaced. Causing check engine light Replaced MAP sensor due to error codes discovered when car was in for other service. Replacement part turned out to be defective and car had to be towed back to the shop. New sensor installed the next day fixed the problem 
271300 mi

US $107
Had one headllight out. Replaced both. Pretty good since this is the first time in 11 years and 270K miles! 
289000 mi

US $1200
Replaced steering rack 
307000 mi

US $6459
Knocking noise from motor. Still running perfectly, but full diagnosis and repair was going to be expensive and made more sense to go with new motor. The rest of the car is still perfect! 
341000 mi

US $1100
Replaced struts and tie rod end for the first time!!! Replace left wheel bearing. Flushed coolant 

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2004 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

110000 mi

US $192
Replaced both front headlamp assemblies with used OEM units that were like new. The originals were heavily oxidized, reducing the light the headlamps could provide. 
171800 mi

US $112
Replaced right rear brake caliper that was slowly leaking brake fluid, $90. The adjusting nut for the parking brake had seized. Replaced the left parking-brake cable and the adjuster, $22. 
176000 mi

US $215
End links on front sway bar were loose, causing an occasional rattle in the front suspension. Replaced both links. 
195000 mi

US $1045
Water pump was leaking coolant. Replaced water pump, coolant elbows, and coolant. $360 Intake manifold gaskets were leaking coolant. Replaced upper and lower intake manifold gaskets, EGR gasket, fuel injector o rings, thermostat, PCV valve kit, and coolant sensor. $605 Valve cover gaskets were leaking oil. Replaced these gaskets and grommets. $80 
230000 mi

US $151
Engine was leaking coolant from the water pump. Replaced the pump.  Engine temperature rose quickly at times with the vehicle stopped, but engine never overheated. Replaced radiator, radiator cap and thermostat as a preventive measure. The engine coolant temperature does not seem to rise as quickly as it used to when the car is stopped, so I believe the problem is fixed. 

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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. 
140000 mi

US $1000
COnstant ABS light issues. Brake failure. Repaired leaking brake line. Replaced hub ass'y several times. ABS light still intermittent problem. 

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2003 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

97000 mi

US $1187
Replaced entire exhaust system except for the catalytic converter 

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2002 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

88000 mi

US $3000
Transmission blew at 88k miles. Cost 3000 to fix it. scrapped it instead 
150000 mi

US $3800
New, GM re-manufactured Engine Installed 
66300 mi

US $300
ABS wiring harness had extreme wear, disconnected from system. 
90800 mi

US $1400
ABS harness was ripped out of the right hub. Harness and right hub required replacing. 
103000 mi

US $600
Ignition switch was replaced, as it was faulty. A/C and trip computer were not operational due to this. 
106000 mi

US $1400
Cooling system was leaking through water pump needed replacing. 

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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 
179000 mi

US $3600
Blown head gasket and leaking radiator. Leaking oil. Car misfiring. 

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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. 
145000 mi

US $150
Lost overdrive and noticed more slippage between gears than normal. Transmission was rebuilt with several new "hard" parts along with the standard rebuild. Front wheel bearings started to make noise so I replaced them. 
152700 mi

US $400
Slight vibration at 40-50 mph. Control arm bushings replaced and alignment completed. Two idler pullies bad. One siezed causing the turbocharger belt to be shredded, the other was making a ticking noise and on the verge of siezing. 
156000 mi

US $300
Vibration still occurred at about 40 mph. Left front CV shaft needed to be replaced. Problem solved. 

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2001 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

151000 mi

US $155
Rear wheel hubs replaced. Right rear was making noise, they were both replaced. Both were the original hubs. 
164400 mi

US $1000
Front sway bar broken, replaced. Rusted from the inside out. Rear struts and strut mounts replaced. They were the originals with 165k miles. 
186000 mi

US $168
MAF sensor malfunction affecting proper shifting of the transmission. MAF sensor replaced. 
200000 mi

US $157
Grease leaking out of CV joint boot on drivers side. 
209200 mi

US $650
Lower intake manifold leak causing a vacuum leak leading to a lean running condition. This job was done previously at around 80,000 miles. 
218700 mi

US $450
Belt tensioner siezed up causing belt to be destroyed. Alternator, water pump, and power steering pump were no longer operable as they all are belt driven. Tensioner replaced including belt. Issue fixed. 

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See TrueDelta's information for all Pontiac models.

Pontiac Grand Prix Expensive Problems

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