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Chevrolet Venture Intake Manifold Gaskets May Leak Coolant or Engine Oil

 
Chevrolet Venture Problem
50 Reports
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Model Years Affected: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

Engine Affected: 3.4L V6

Average Mileage: 107,161 mi (40,000 mi - 194,000 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, 51,000 mi

    I have had two Chevy Ventures that developed this issue - noticed a coolant leak. The first one, 1999 Venture was still under warranty at 18,500 miles and the dealership fixed it by replacing the intake manifold gasket. My 2002 Chevy Venture developed a coolant leak at 45,000 miles and it cost me about $800 to have it fixed. Found out there was a class action lawsuit against GM's Dexcool coolant causing certain parts, such as the intake manifold to fail - was able to recoup about $650 with a bit of patience and sending in some documentation.

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  • Visitor, , 3.4L V6

    when changing oil noticed white film in engine from coolant leaking into engine ,used stop leak and now it leaks outside of engine.

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  • Visitor, , 3.4L V6, 137,000 mi

    Intake manifold gasket needed to be replaced. I was leaking coolant and not quite, but almost overheating. I had a friend do the repairs on the cheap but it was still fairly expensive.

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  •  Rookie

    Temp. gage started acting erratic(would move back and forth between normal and hot), followed by anti-freeze smell and loss of heater efficiency. This was due to lower intake gasket failure. Had lower intake gasket replaced, along with heads milled (warped due to overheating)at a total cost of 1600 dollars (off-duty mechanic price!! Shop est. close to 2000!)

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  • Visitor, , 3.4L V6, 75,865 mi

    has blown head gasket letting the coolant go out the exhaust this is the second motor that has done the same thing had a new motor put in it a year and a half ago and now this shit again gm needs to pay all of us back for the hell we have went thru for this ill never buy a chevrolet again thanks for all the frigging trouble you have caused me and my family with this venture its been a living hell s gilkerson

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  • Visitor, , 3.4L V6

    @109,000 miles.

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  • Visitor, , 3.4L V6, 115,000 mi

    I had this problem when the car was about four; it was fixed under the original warranty. Now at 14 years, 115000 miles, it started again.

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  • Visitor, , 3.4L V6, 140,000 mi

    My 2002 chevy venture was leaking antifreeze and or water?? Ran hot put in a stop leak now oil is leaking and a milky substance is on my oil cap and water cap.

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  • Visitor, , 3.4L V6, 91,000 mi

    intake manifold gasket leaking coolant .diagnosis put dye in radiator ran truck for a few days checked for dye with black light could see dye around intake manifold. have not fixed yet needs new intake manifold gaskets upper and lower going to shop soon

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  • Visitor, , 3.4L V6, 110,200 mi

    internal coolant leak caused overheating and engine damage

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