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2003 Pontiac Grand Prix Question: oil leaking and sludge build up

 

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faryow, 3.1L V6, Kannapolis, NC, September 07, 2010, 18:28
 Rookie

We have been told the car has sludge and is leaking oil, slowly. how do we fix this issue

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  • Answer #1

    September 09, 2010, 13:03
     Master

    The only way to confirm sludge build would be to at least remove the valve covers from the engine - has that be done? As for external oil leaks - The source of the leak will need to be determined and whatever seal or gasket is leaking will need to be replaced. I would not be uncommon for the lower intake manifold gasket to be leaking on your 2003 Pontiac Grand Prix.

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