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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

'81 Pontiac Grand Prix, Oil Leak After Repairs

Q: I just replaced the valve cover gaskets on my ’81 Pontiac Grand Prix. I have it running now but I smell and see burning oil coming up on the passenger side behind the engine. When I look under the vehicle all I see is oil coming down the exhaust pipes. What can be causing this?

- Richard

A: Practice makes perfect, and from your description I would say that you may have to practice changing the valve cover gasket again. If oil is leaking down onto the exhaust manifolds in your engine configuration it’s likey from the valve cover gasket. You would not be the first and will not be the last to have this type of problem after performing a repair. Valve cover gaskets, as simple as they seem, only have to shift or move ¼” even less in some cases to have a problem. This movement creates a loss of sealing that often makes the repair leak worse than the old gasket before it was replaced. Get yourself another gasket and remove the valve cover on the side that is leaking. Just a little practice will seal that oil leak.

 
     
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