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Pontiac Grand Prix water leak problems

26 of the 5,184 owner complaints about the Pontiac Grand Prix describe water leaks into the cabin, most of them for the 2004 model year.

owner complaints
26
worst model year
2004
typical mileage
68,894
Is there a fix? There are 3 recalls for this area of the car. See below

By model year

  • 2004
    6
  • 2003
    2
  • 2002
    1
  • 2001
    3
  • 2000
    4
  • 1999
    3
  • 1998
    2
  • 1997
    1
  • 1996
    2
  • 1995
    2

What owners say

Filed Dec 14, 2019 · Engine, Lights · 68,894 miles · CA · fire

It was driving fine and I pulled into a parking lot and noticed that the steering became really hard then smelled something burning so I parked then started seeing smoke come from underneath the hood so I opened it and saw a small flame toward the back of the engine luckily I had a jug of water in the trunk and put it out and there was power steering fluid sparyed all over I'm assuming the fire melted a hose. The car still start but it doesn't sound good probably melted the spark plugs wires I'm sure . * (recall related incident) ts

Filed Mar 16, 2016 · Electrical, Engine · 14,800 miles · SC

On march 16th 2016 while on the way to a doctors appt. We tried to used the right rear seat belt,however we could not get the seat belt to pull out so we could use it. On the way to the drs. Office we smelled a strong odor of oil and antifreeze in the car. When we got to drs. Office we noticed smoke coming from under the hood. So we let the car sit there until after the appt. When we got back to car we checked under the hood and could not find any oil of water leak, so my wife was driving me back home when the car completely cut off and stopped running,she had no control of the car at all. So I helped he turn the car off to road to the shoulder until it stopped. After looking I noticed the key was in the off position, I tried to start the car and it started right up I drove the car on home, and that's where it sits now!!! Please help!!! [xxx] 'information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6).'

Filed Aug 8, 2015 · Visibility · 90,942 miles · PA

After a rain storm wipers did not go to the original position when wipers were in "off" position, they stayed in an upright position. I had a replacement wiper motor installed and when using the delay speed it stops in the upright position for a minute and repeats that during the wiping cycle. Another 2 motors were installed with the same problems. Till this day I still having this problem. I notice that there was a recall on later models with wiper motors. Also, during rain days, water gets into both of the rear brake lens, if it's a heavy rain the lens fill up with water and short out the bulbs in both lens. I have seen this in many of the 2002 grand prix cars. Hopefully, both of these problems could be taken care of under a recall.

Filed Oct 15, 2013 · Body, Suspension · 132,000 miles · KY

I have a 2004 grand prix gtp bought about 5 years ago take a year I bought it had to replace hub assembly on drive side car has leaked water in the passenger side floor that is cause my cowl is bad cant find one the about a year too later had to replace the hub assembly and the harness again and now my break is pulsating and now asked someone why its doing that they said its probably my hub assembly they should not see theses cars everyone I have talked to has had nothing but problems out of this year model I don't have the to fix this stuff would like to have it fixed for free.

Filed Sep 26, 2012 · Electrical, Visibility · 92,000 miles · OH

In october 2011, I noticed that my a\c & heating fan was working intermittently. After a hard rain, the fan stopped working completely, and I noticed a large puddle of water on the passenger side floor. I decided not to have the blower motor replaced until after I could find the exact location of the water leak. In spring 2012, while washing my car, I noticed that the seal between the windshield and the hood is not properly connected, and that water could be pushed into a hole in the seal. The seal is not damaged - there is simply a gap between the seal and windshield. Water runs behind the glove box, through electrical wiring and equipment, making this a fire hazard.

Filed Jun 15, 2011 · Body, Transmission · 135,000 miles · PA

I purchased a 2003 pontiac grand prix se with a v-6 and I get water coming in the passenger side every time it rains. Also the transmission shifts hard occasionally when going from first to second gear. I was told to fix the leak would be around $300 and the transmission problem.... I may as well buy another car for that price....

Filed Oct 28, 2009 · Body · 83,000 miles · NJ

After a rain, both the front and rear passenger side floors are soaked with water. The raised portion under the seat remains dry. The ceiling area around the moon roof is completely dry. The carpeting leading down to the floor (console covering, area below the doors, area under the dash) are all dry. Only the lowest portion of the floor is wet, and it is completely soaked. It leads me to believe the water enters from either at the base of the windshield where the plastic cowl is separated from the glass, or in the roof-body seam on top of the roof where the forward edge of the roof meets the top of the door jam. I have not taken it into the dealer yet, but plan to. In the meantime, I shop-vac'd the water out as best I could and keep it in the garage. I'm concerned because there are electrical cables under the front carpet and they are wet.

Filed Apr 22, 2008 · Body, Brakes · IL

2001 pontiac grand prix engine oil leak, interior water leak at passenger door *cw the dealer informed the consumer that the water leak may have been a result of the door being misaligned. The vehicle pulled to the left. The consumer was then informed the reason for the pulling of the vehicle was due to the inferior tires on the vehicle. The sticker in the trunk specified h rated tires, however the tires the dealer sold on the vehicle were goodyear eagle ls tires. The cd player was inoperative. The engine light illuminated. The egr valve and gasket were replaced. The sunroof was leaking and the alternator was replaced. The left front cv boot was leaking and the left front hub bearing was noisy. The ignition cylinder, parking brake, power steering hose, pump seal, rack and pinion and outer tie rod were replaced.

Filed Apr 20, 2008 · Engine · OH

There is a strong musty smell, most noticeable in the warmer weather months. Have noticed water coming into the front area by drivers right foot and passengers left foot area. I am almost certain that it is coming from the air conditioning. Musty smell is most likely from the carpet getting wet and producing the odor.

Filed Mar 26, 2008 · Engine · IN

Tl*the contact owns a 2001 pontiac grand prix. On march 25, 2008, the dealer replaced the leaking water pump, flushed the system and added anti freeze. Anti freeze was leaking on the drivers side of the vehicle on march 25, 2008 and on march 26, 2008 anti freeze continued to leak into the vehicle on the drivers side of the and in the garage. The failure and current mileage were not available. The service manager stated that the fluid might be over residue. The dealer will inspect the vehicle today. The purchase date was unavailable.

Related recalls

Structure: frame and membersReported June 23, 2004 · 281 vehicles affected
What is wrong
Certain passenger vehicles have a condition where the front frame rear body mount bracket may fracture.
Risk
If ignored, the bracket would fracture and degrade to the point where the intermediate steering shaft could separate, resulting in loss of steering control and a crash could occur.
Remedy
Dealers will inspect the front frame assembly and replace it if necessary. The recall began on august 16, 2004. Owners should contact pontiac at 1‑800‑620‑7668.

Recall number 04V299000 · Recall details

StructureReported July 11, 2000 · 713,435 vehicles affected
What is wrong
Vehicle description: passenger vehicles originally sold or currently registered in the states of connecticut, delaware, illinois, indiana, iowa, maine, maryland, massachusetts, michigan, minnesota, missouri, new hampshire, new jersey, new york, ohio, pennsylvania, rhode island, vermont, west virginia, wisconsin, and the district of columbia, where road salt use is heavy. A condition where one or both front engine cradle bolts can pull through the retainers due to corrosion of the retainers.
Risk
If both bolts pull through, the front of the cradle would no longer be supported at the mounting locations and the steering intermediate shaft could separate from the steering gear.
Remedy
Dealers will replace the front and rear frame/cradle bolts and retainers.

Recall number 00V189000 · Recall details

StructureReported April 8, 1997 · 676,535 vehicles affected
What is wrong
Vehicle description: passenger vehicles and mini vans originally sold or currently registered in the following states: connecticut, illinois, indiana, maine, massachusetts, michigan, new hampshire, new jersey, new york, ohio, pennsylvania, rhode island, vermont and wisconsin. The rear cradle bolts pull through the retainers due to corrosion of the retainer. If both bolts pull through, the rear cradle would not longer be supported at these mounting locations and the steering intermediate shaft can separate from the steering gear.
Risk
If this were to occur while the vehicle was in motion, a vehicle crash could result.
Remedy
Dealers will replace the rear cradle bolts and retainers.

Recall number 97V058000 · Recall details

Questions about the Pontiac Grand Prix water leak

Which Pontiac Grand Prix years have water leaks into the cabin problems?

The model years with the most reports are 2004 (6 complaints), 2000 (4 complaints) and 1999 (3 complaints).

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