Question about 1986 Oldsmobile Cutlass Supreme

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1986 oldsmobile cutlass supreme

Ok my cutlass makes a knocking sound when i start it up. and when i accelerate the knocking sounds gets worse. then when i let off the gas the sounds doesnt knock as bad but it still knocks...can u tell me what it might be?

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  • Anonymous Dec 09, 2008

    i have the same problem and i think the sound comes from the acceleration gauge...i was told there is a hose that needs to be replaced...

  • Anonymous Mar 12, 2014

    86 oldsmobile cutlass to accelerated on start up

  • Anonymous Mar 25, 2014

    knocking when accelerating

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Either your oil needs to be changed but most importantly The clearance in the connecting rod bearing have more clearance then tolerances allow. This could be due in part of low oil pressure. The gauge might show safe pressure but a manual gauge would give an accurate pressure. Hope this helps.

Posted on Dec 06, 2008

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