Car Problem Reports

Pontiac Grand Am Intake Manifold Gaskets May Leak Coolant or Engine Oil

 
Pontiac Grand Am Problem
99 Reports
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Model Years Affected: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

Engines Affected: 2.2L 4 Cylinder, 2.4L 4 Cylinder, 3.1L V6, 3.4L V6, 4 Cylinder

Average Mileage: 110,677 mi (10,000 mi - 237,000 mi)

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The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine  with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.

  • Visitor, , 3.4L V6

    noticed coolant on gound. kept adding coolant, sometimes twice a day. looked over engine compartment and saw puddle of coolent by manifold. clean area up, started car and found leak. Needs gaskets replaced. I called a repair facility was quoted between $1200.00 to $1800.00 to fix. Has Pontiac acknowledged this problem?

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  • Visitor, , 3.4L V6, 53,232 mi

    I had the Low Coolant light come on. Took it into the dealer who said I need new Header Gaskets. I am assuming I need Lower Intake Manifold gaskets as well.

    I've been reading that is a common problem with GM V6 engines as the DexCool coolant degrades the plastic gaskets.

    This is apparently a known GM problem. There was a class action lawsuit that was settled in 2008 on this issue. However, GM should do a recall on this issue as it is huge. I will never buy another GM car or American car for that matter.

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  • Visitor, , 3.4L V6, 125,500 mi

    Winter came, heater started blowing cold at idle but warmed when driving till fluid got low.

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  • Visitor, , 3.4L V6, 14,523 mi

    It keeps not wanting to start and its leaking oil onto my engine, the antifreeze keeps disappearing when i fill it up. and it over heats and shuts off while im driving.

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  • Visitor, , 3.4L V6, 122,000 mi

    Intake manifold was leaking coolant, the fix was upwards of $1000. decided to trade the car in instead.

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  • juujuu16, , 3.4L V6, 131,000 mi
     Rookie

    car was leaking coolant, had to have intake gasket replaced. Leaked coolant again, had to have freezeplug replaced. continued to leak, was told the head gasket was blown. been driving it for about 2 years on blown head gasket.

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  • Visitor, , 3.4L V6, 110,000 mi

    I have had to replace my intake manifold gasket three times now, three years now. This car has been nothing but trouble since I got it.

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  • engine started running rough looks like oil is leaking onto spak plugs

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  • Visitor, , 3.1L V6, 117,695 mi

    0verheats, leaks antifreeze, cost $860 to repair

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  • Visitor, , 166,845 mi

    It runs hot fast and leaks under the engine

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