Question about 1988 Oldsmobile Delta 88

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1988 olds delta 88 royal brougham 3.8 engine shakes and shimies.

It was running like a top only 68,000 mls. all of the sudden the engine shakes a bunch sounds like the beverly **** car. I go to pull over and the breaks have no power,have to push realy hard to stop. so Im thinking that I must have lost a vacume line. I pop the hood, start the car and i hear a ticking sound, the engine temp was 180. all lines were hooked up. my fear is that i lost the top of a piston. I hope that there is a more simple solution. i took the valve covers off. all looks well, rocker arms in place,valves and rods look good. I havent ran a compression test yet. I should have taken the spark plugs out and checked them out. see if one of them is smashed,but have'nt. any suggestions?

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  • schonehager Jan 01, 2009

    I plugged the line going to the booster, same problem.

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Your brake booster may be leaking or the check valve on the vacuum hose going to the booster may be bad. Do you hear a hissing sound coming from the booster when you push the petal? Check these first before tearing down your engine. Good luck. Please rate me so I know how I'm doing. Thanks.

Posted on Dec 30, 2008

  • David Robinson Jan 01, 2009

    The ticking sound could be an arcing plug wire and will cause low vacuum.

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