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Question

I have a 98 Oldsmobile Silhouette GLS EXT van - 217,512 KM (or 135,000 miles). Mechanic suggested a rad flush as there is gunk & evidence of oil floating in the reserve tank. He wasn't sure of the source of the contamination, but sugested the flush and to watch the situation ongoing. Question: What are the odds its the head gasket? Could it be more likely contamination from the trany fluid cooling part of the radiator - is this common? I can see spending 500 for a radiator, but I'm not sure abount spending 1500 for a new head gasket for a van that's probably worth 2000.

Submitted: 31 days and 21 hours ago.
Category: Car
Value: $13
Status: CLOSED
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Optional Information

Year: 1998
Make: Oldsmobile
Model: Sillhouette
Engine: 3.4 V6

Posted by JHoop 31 days and 21 hours ago.

Answer

Hello XXXXXXXX, my name is XXXXX. XXXXX you for choosing justanswer.com. Don't panic yet....good news. The intake manifold gaskets have been well known to leak on the 3.4......After the intake has been removed from the cylinder head, it will be real obvious if the gasket failed. If you have any more questions or need any diagrams, please dont hesisitate to ask...Thanks again, JHoop

31 days and 20 hours ago.

Reply

Thanks for the quick reply.

If you could, please send diagram. Is this something I could do?

What is approx. cost for a mechanic to do?

Accepted Answer

About 7 to 8 hours of labor. Parts are close to 75.00 Lots of work. Got tools> I uploaded the procedure in .pdf format here to justanswer. You can download it by clicking HERE and HERE. I hope this helps you. If you have any more questions or need any more diagrams, please don't hesisitate to ask...Thanks again, JHoop

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Expert: JHoop
Pos. Feedback: 98.4 %
Accepts: 
Answered: 10/22/2009

Technician

10 Year Engine Builder, HvyLine, Suspension, Electrical, Brakes, 3 Year Shop Owner

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