1999 Mitsubishi Galant Crankshaft pulley replacement

Tiny
KEITHZAMMIT1
  • MEMBER
  • 1999 MITSUBISHI GALANT
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 99,960 MILES
About 2 months ago the outside belt slipped off of the engine pulley. I replaced it. Then about 2 weeks later a noise developed under the hood. It was not a constant knock at that time. It only knocked when I turnde the wheel. I opened the hood at noticed that it appeared that the crankshaft was oscillating towards the front wheel well by 1/4 to 1/2 inch. A mechanic told me that the crankshaft engine bearnings had probably gone bad and the crankshaft was moving out. I drove the car home and the knocking got worse. However, the car is running fine. I did some online research and feel that it could just be the crankshaft pulley itself. If it were the crankshaft shifitng wouldn't the pistons and valves be slamming around? I would expect oil to be all over the place? I am a little mechanically inclined. Is it very involved to replace the crankshaft pulley?
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Wednesday, July 23rd, 2008 AT 9:30 AM

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Tiny
SERVICE WRITER
  • EXPERT
IF it's heavy mettalic knocking, it does sound more like a main bearing noise. I don't agree that the shaft would be sliding in and out.

There should be something that could be determined by pulling the belt off. IF the pulley is sliding there should be play that can be felt.
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Wednesday, July 23rd, 2008 AT 4:17 PM

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