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p/s pulley failure


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poetheline
Anonymous Poster
dscanlan@autoreturn.com

Mar 2, 2009, 11:31 AM

Post #1 of 3 (2248 views)
p/s pulley failure Sign In

1992 BMW 740i, 174 K miles
This car came into our place w/ a p/s pulley that had disintegrated. The p/s pump is the lowest belt driven item; it hangs a little lower than the crank pulley and the car is missing the front splash shield; the front spoiler is a little battle scarred but still in place, and the car bears no obvious damage underneath. It has had a long term valve cover gasket leak and was really oily and grimy. In taking it apart I discovered the pulleys are all plastic! Any ideas on what caused the p/s pulley failure?


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Mar 2, 2009, 11:43 AM

Post #2 of 3 (2246 views)
Re: p/s pulley failure Sign In

Seems like you answered your own question in that the pulley is the lowest and the air dam is wrecked. It hit a parking bumper thing they use no doubt or some other obsticle.

I've seen Beamer's (not this model) crack the oil pans on those cement parking things too,

T



Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Mar 2, 2009, 4:43 PM

Post #3 of 3 (2240 views)
Re: p/s pulley failure Sign In

I've had two Cadillacs come in with P/S pulley failures in the past month. Funny, how things go in 'spurts'. Both had the plastic/phenolic pulleys pressed onto metal hubs. The pulleys had spun on the hubs. Replaced the pulleys, no comebacks. So far.Wink
Loren
SW Washington






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