Problem Reports » Intake Manifold Gaskets May Leak Coolant or Engine Oil

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Buick Rendezvous

 

Report: Intake Manifold Gaskets May Leak Coolant or Engine Oil

Buick Rendezvous Problem
20 Reports
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Model Years Affected: 2002, 2003, 2004, 2005

Engine Affected: 3.4L V6

Average Mileage: 122,577 mi (48,000 mi - 200,000 mi)

Verified

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. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

  • Visitor, 2002 Buick Rendezvous, 3.4L V6, 200,000 mi

    Small hose on to of motor was busted. Replaced it still some oil in water.So far so good motor sill runs fine.

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  • Clorann, 2002 Buick Rendezvous, 3.4L V6, 149,860 mi
     Rookie

    I was driving one morning when check engine light started to flash. suddenly the check engine went solid and engine started to overheat and producing thick white smoke. The engine was diagnose head and intake gasket failure. I had to replace the engine. their was no symptoms or warnings before failure begin.

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  • Visitor, 2002 Buick Rendezvous, 3.4L V6, 48,000 mi

    This is a common GM issue with this engine. Happened to a Pontiac I had also. GM will deal with you on this to defray cost. You may have to bypass dealer who gets lower payment from GM to do work. Big fight with Buick dealer. Actually would not call GM. I did it myself since Pontiac was done before by my really nice Pontiac dealer. No questions asked in their case.

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  • Visitor, 2002 Buick Rendezvous, 183,000 mi

    Engine began to loose power and was reading major intake malfunction or misfire. Has been leaking coolant at an alarming rate. Overheating and now will not even run for five minutes before engine completely overheats and shuts down. Looking at replacing whole upper intake manifold but don't know what that cost will be very nervous to find out.

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  • Visitor, 2003 Buick Rendezvous, 126,000 mi

    Gasket worn out!

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  •  Rookie

    engine oil leaking into the coolant and coolant leaking out of the intake gasket, engine is ruin and extended warranty won't cover it. So right now it sits.

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  • Visitor, 2003 Buick Rendezvous, 104,000 mi

    small leak on garage floor mechanic said it was intake gasket. Haven't done it yet wondering if it could be waterpump since it was similar small spot when past waterpumps were 'weeping". It's been so cold haven't gotten in and looked closely. Will this weekend tho. It's been sitting in garage not driving it. Do a radiator pressure test and confirm source.

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  • Visitor, 2002 Buick Rendezvous, 3.4L V6, 136,000 mi

    Check engine light came on, warning light for over heating came on, white smoke billowing out of exhaust. Pulled over immediately, had it towed and was told engine is shot and needs replacement. No prior warnings of trouble.

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  • Visitor, 2004 Buick Rendezvous, 3.4L V6, 94,000 mi

    Sweet smell cost 1,600. to fix

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  • Visitor, 2003 Buick Rendezvous, 3.4L V6, 175,000 mi

    Leaking intake gasket - leaked anti-freeze into the engine oil. Very fortunately I discovered this and changed oil immediately and got it repaired ASAP. No extensive engine damage! :-)

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