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Thread: Bmw e30 20 crankshaft pulley jammed???? Please help

  1. #1
    Join Date
    Jul 2015
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    South Africa
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    E36 m3

    Exclamation Bmw e30 20 crankshaft pulley jammed???? Please help

    Hey guys i need some info please...I have a e30 320i m20 and yesterday i ran the car on the dyno which only lasted 10 minutes due to the car switching off...When i tried starting the car again it did not wanna and would just turn over..We noticed that the crankshaft pulley was right up against the water pump pulley...What could be the cause of that? And when i try starting the car now a squeaky noise comes from the engine...Please help?

  2. #2
    Join Date
    Dec 2005
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    corpus christi, texas
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    No e30s, again :(
    it sounds like the inside of the pulley has come apart but until you get in and look at it, you won't know.
    No e30s again.

  3. #3
    Join Date
    Dec 2008
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    Epping Essex UK
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    72 2002,72 CSiL,29 Dodge
    sounds very serious, does it have compression when cranked? maybe the crank pulley came off but that may have junked the timing belt bending valves, dyno's kill cars................................

  4. #4
    Join Date
    Apr 2015
    Location
    Toronto
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    492
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    e30s
    Maybe your waterpump bearing took a crap or the bolts which hold the pulley?. I'd remove the belt and see if there is any major play on that one. Easier for that too break then a crank pulley. Never heard of an m20 pulley breaking or comming loose on a dyno with a motor that maybe produces 125hp.

  5. #5
    Join Date
    Dec 2005
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    corpus christi, texas
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    My Cars
    No e30s, again :(
    I agree. I just thought of the breaking crank pulley from a buddies mustang and another buddies diesel chevy truck but really, I have never heard of it on an m20
    No e30s again.

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