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2006 Pontiac Grand Prix repairs by problem area

Engine (46%)

Transmission and Drivetrain (14%)

Brakes and Traction Control (9%)

Suspension and Steering (23%)

Electrical and Air Conditioning (6%)

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

Other (0%)

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Chart based on 35 repairs.

See TSBs and recalls for the 2006 Pontiac Grand Prix.

2006 Pontiac Grand Prix repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (12%)

$100 - $499 (53%)

< $100 (35%)

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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.

See repairs for all Pontiac Grand Prix model years.

Pontiac Grand Prix in South Carolina, United States Jul 2010 - Jun 2011
Sep 2010 71000 mi US $230	water pump leak

Pontiac Grand Prix in Georgia, United States Apr 2011 - May 2011
May 2011 111000 mi US $460	Bad cat converter. It was replaced

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Pontiac Grand Prix in Minnesota, United States Dec 2009 - Sep 2013
Nov 2010 65800 mi	Steering shaft replaced
Mar 2011 70000 mi	replaced worn tie rods
Feb 2013 97000 mi US $400	replace heater core

Pontiac Grand Prix in Indiana, United States - Aug 2007
Aug 2007 31643 mi	Problem: Check Engine Light On Intermittently. Cause: Input Speed Sensor. Solution: Replaced Sensor. (Under Warranty)

Pontiac Grand Prix in Idaho, United States Jul 2010 - Jul 2011
Jul 2011 126000 mi US $150	Passenger side ball joint needed to be replaced because it was popping and clanking. I did not repair but notified new owner that it should be fixed at some point to stop the noise.

Pontiac Grand Prix in Michigan, United States Sep 2012 - Feb 2014
Oct 2012 69500 mi US $360	Water pump was leaking
Jul 2013 78500 mi US $495	Rear brake calipers were leaking fluid
Feb 2014 85000 mi US $500	Oil leak from valve cover gaskets

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Pontiac Grand Prix in Maryland, United States Dec 2014 - Jun 2018
Feb 2015 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.
Nov 2016 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.
Jul 2017 155000 mi US $200	Radiator side tank cracked. Replaced radiator.

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Pontiac Grand Prix in California, United States Mar 2014 - Mar 2015
Mar 2014 111000 mi US $200	car would hesitate when trying to use passing speed

Pontiac Grand Prix in Missouri, United States Jan 2011 - Jun 2015
Oct 2011 149000 mi US $200	Water pump seal beginning to seep. Noticed when performing oil change. Replaced water pump, accessory drive belt and thermostat. Noise from left front wheel at low speeds. Found left front hub had excessive play in bearings. Replaced both front hub assemblies. No longer making noise and overall road noise reduced. Quieter ride.
Sep 2012 168000 mi US $210	Light brake pedal pressure caused front end shimmy due to warped front rotors. Right rear brake caliper leaking brake fluid with park brake engaged. Replaced front rotors/pads and right rear brake caliper.
Feb 2014 190700 mi US $240	Replaced catalytic converter due to foul exhaust odor. Engine uses about a quart of oil between oil changes.
Sep 2014 200000 mi US $175	Plastic coolant elbow leaking coolant down pulley end of engine due to age/fatigue. Replaced with aluminum elbow. Replace intake and exhaust crossover gaskets also.
Jan 2015 206000 mi US $100	Coolant seepage from timing gear cover gasket. Replaced timing gear cover gasket, oil and filter.

Pontiac Grand Prix in Pennsylvania, United States Dec 2006 - Sep 2012
Aug 2006 5100 mi	Serpentine belt chirp/squeak/squeal. Lubed belt under warranty.
Oct 2006 9000 mi	Serpentine belt chirp/squeak/squeal. Cleaned belt and all pulleys due to glazing, replaced belt tensioner under warranty.
Jan 2009 100000 mi US $200	Passenger side hub replaced due to a bad wheel bearing. Around 100,000 miles on the car.
Aug 2011 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.
Oct 2011 211700 mi US $105	Needed a battery. Was cold, car didn't leave me stranded but ran off of alternator. Didn't feel like changing myself because it was so cold...and cheapest batt I could find at store was almost $100.00 too.
Feb 2012 225000 mi US $15	Extended warm-up. CEL showed, code stated coolant temp lower than expected. Replaced thermostat, engine warms up as it should, no CEL repeats.
Aug 2012 244100 mi US $7	Center console armrest vinyl had split. Pulled a part from a totalled car at the junkyard and replaced. The split irritated my arm when put on the armrest.

Pontiac Grand Prix in Michigan, United States Dec 2009 - Jun 2014
Apr 2012 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.
Jul 2013 100800 mi US $75	Power steering pressure switch replaced, fluid was leaking.
Dec 2013 106000 mi	Power steering hose disconnected, loss of power steering.
Feb 2014 107100 mi US $505	Power steering lines failed do to age and road salt. First repair shop did not replace lines, only "patched" the lines up. The sub-frame needed to be dropped in order to do the job correctly.

Pontiac Grand Prix in Minnesota, United States May 2010 - Mar 2011
Jun 2010 70000 mi	I bought this car and was noticing the Traction Control would automatically turn off upon starting the vehicle. I would push the button to turn it back on and it wouldn't work. The shop replaced the switch.

Pontiac Grand Prix in Virginia, United States Feb 2010 - Dec 2013
Jan 2010 60000 mi US $150	Windshield wiper motor broke due to an extremely heavy snowstorm. Due to water leaking into motor.
Jun 2013 121000 mi US $600	Dexcool decomposed into a thick, mud like fluid. Needed radiator flushed, new heater core, and replaced water pump.