Question about 1999 Oldsmobile Silhouette

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My 98 olsd minivan 3.4 overheats in first 15 min

My 98 olsd minivan 3.4 overheats in first 15 min then i shut it off release presure valve on radiator cap it blows out the overflow when it stops i fill it back up and it works perfect the rest of the day.any know whats happening

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Air is possibly getting into the system and from what I can tell you should replace the radiator cap. The pressure valve may be bad. Road test the car after you replace the cap and top off the system.

Posted on May 29, 2010


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Posted on Jan 02, 2017


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