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98 s70 screeching engine S80 1998

posted by  JSmith2014 on  Sun Jan 19 14:42 CST 2014
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last visit: Sun Jan 19 21:37 CST 2014
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I have a 98 s70 with 175,000 miles on it. Runs great. Today it started making a loud screeching noise with engine start. I let it run a couple minutes and shut down. Tried a couple times with same result. Pretty much the same sound if you increase rpm. Would appreciate any ideas of what this is.








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    98 s70 screeching engine S80 1998

    posted by  KlausC on  Sun Jan 19 20:44 CST 2014
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    Not enough data. Open the hood and then start the engine and determine where the sound is coming from. It should be from the passenger side of the engine. Do NOT run the engine for very long, if it is a belt it can melt and cause more damage!

    You can use a wooden stick or very long screwdriver. Just hold one end on the suspect engine part and the other end touching the bone just infront of your ear. Be careful that a turning belt does not touch the stick!!

    If the noise comes from the driver's side, it could be the SAS pump.







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    98 s70 screeching engine S80 1998

    posted by  riverbend on  Sun Jan 19 20:05 CST 2014
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    That is not a lot to go on.

    Are one of the accessories (power steering, air conditioning, alternator) not turning ? Does it seem to be coming from the right side of the engine ? Have you changed the belts and tensioners recently ?

    Greg






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