Question about 1997 Pontiac Firebird

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Oiling problems with 3.8 v-6?

I have a 96 Firebird with the 3.8....I am hearing that these engines had problems with the oil pumps keeping the internals properly lubricated...Does anyone have any comments on this?
I'd like to find out if there are any aftermarket sending units that would correct the problem..

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  • james_dyer1 Sep 30, 2009

    ive put two engines in this one now and they both had the same problem...crankshaft and rod bearings...any suggestions?

  • james_dyer1 Sep 30, 2009

    thanks Ron...does this engine have an oil pump in the sump and a sending unit or is it all one device?

  • yadayada
    yadayada May 11, 2010

    you are hearing wrong, GM quit making this engine because they couldn't sell parts for it, it never breaks!!!


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The sending unit isn't the problems that I've heard of or seen. The problem is the pump itself. The best fix other than watching the presure and keeping oil changed every 3000 miles. Would be replace the pump with a high volume pump.

Posted on Sep 29, 2009

  • Ronald Park
    Ronald Park Sep 30, 2009

    If your using the same block make sure all oil passages are clear. Use compressed air and blow thru them especiallycheck the oil holes for the main bearings, Since the bearings keep going you may have a clog from metal from the old bearings. Also install a high volume oil pump with higher pressure to help keep oil flowing, and change oil and filter every 3000 miles.

  • Ronald Park
    Ronald Park Sep 30, 2009

    It will have both.


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