1999 Oldsmobile Silhouette Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Oldsmobile Silhouette

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.

The rear light socket plate may fail causing a brake light or other rear light to stop working.

The high pressure power steering hose will commonly leak fluid and should be replaced if this is the case.

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New GM engine with 2k miles runs perfect after warmup. I'm a little worried that whatever is wrong may finally end up with engine not starting as part wears out. This condition causes no codes to be set. Thanks for any help.

It just happens when I turn and then it kicks back in when I go straight.

Not supported for : Heated Cat, Air system, air conditioner
nor ready- heated 02

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ON CERTAIN MINIVANS EQUIPPED WITH SECOND-ROW BUCKET SEATS OR CAPTAIN'S CHAIRS AND A POWER SLIDING DOOR ON THE PASSENGER SIDE OF THE VEHICLE, A PASSENGER USING THE INTERIOR HANDLE TO OPEN THE POWER SLIDING DOOR COULD BE INJURED.VEHICLE DESCRIPTION: 1997-2001 CHEVROLET VENTURE, PONTIAC MONTANA/TRANSPORT, AND OLDSMOBILE SILHOUETTE MINI VANS EQUIPPED WITH PASSENGER SIDE POWER SLIDING DOORS THAT WERE SERVICED IN CAMPAIGN 01013 (01V-067) FROM APRIL TO AUGUST 2001. ALSO 2001 CHEVROLET VENTURE, PONTIAC MONTANA, AND OLDSMOBILE...VEHICLE DESCRIPTION: MINIVANS EQUIPPED WITH PASSENGER SIDE POWER SLIDING DOORS. THE DOOR CLOSES BUT MAY NOT BE LATCHED. IF THIS HAPPENS, THE POWER SLIDING DOOR CAN OPEN WHILE THE VEHICLE IS IN MOTION, PARTICULARLY WHEN THE VEHICLE ASCENDS A HILL, MAKES A TURN, OR TRAVELS OVER A ROUGH ROAD SURF...

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