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2006 Pontiac Grand Prix repairs by problem area

Chart based on 34 repairs.

2006 Pontiac Grand Prix repair cost distribution

Chart based on 15 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2006 Pontiac Grand Prix repair histories. Log in or join us to see them all.

2006 Pontiac Grand Prix

Engine not specified

Pontiac Grand Prix in Georgia, United States
Apr 2011 - May 2011
May 2011

111000 mi

US $460
Bad cat converter. It was replaced 
Pontiac Grand Prix in South Carolina, United States
Jul 2010 - Jun 2011
Sep 2010

71000 mi

US $230
water pump leak 

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2006 Pontiac Grand Prix 4dr Sedan

supercharged 260hp 3.8L V6 4-speed automatic FWD

Pontiac Grand Prix in Michigan, United States
Sep 2012 - Feb 2014
Oct 2012

70000 mi

US $360
Water pump was leaking 
Jul 2013

79000 mi

US $495
Rear brake calipers were leaking fluid 
Feb 2014

85000 mi

US $500
Oil leak from valve cover gaskets 
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 Minnesota, United States
Dec 2009 - Sep 2013
Jun 2010

59000 mi

US $350
brake all 4 wheels 
Nov 2010

67000 mi
Steering shaft replaced 
Mar 2011

70000 mi
replaced worn tie rods 
Feb 2013

97700 mi

US $400
replace heater core 

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2006 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

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. 
Pontiac Grand Prix in Michigan, United States
Dec 2009 - Jun 2014
Apr 2012

90300 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

101300 mi

US $75
Power steering pressure switch replaced, fluid was leaking. 
Feb 2014

107300 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 Missouri, United States
Jan 2011 - Jan 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

190500 mi

US $240
Replaced catalytic converter due to foul exhaust odor. Engine uses about a quart of oil between oil changes. 
Apr 2014

192000 mi

US $191
Had front end shimmy when braking due to original rotors warped. Replaced front rotors and brake pads. 
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

206500 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

210500 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

248300 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 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. 

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2006 Pontiac Grand Prix Repair Histories

53 TrueDelta members own (or used to own) a 2006 Pontiac Grand Prix. 16 of these members (30.2%) have reported repairs for their car. A total of 34 repairs to 2006 Pontiac Grand Prixs--an average of 0.6 per vehicle--have been reported.

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 2006 Pontiac Grand Prix problems occur, check out our car reliability stats.