CRANKSHAFT PULLEY

2000 Pontiac Montana

Tiny

empire490

May, 12, 2009 AT 8:07 PM

Engine Mechanical problem
2000 Pontiac Montana Two Wheel Drive Automatic 147000 miles

My serpitine belt came off.I put on new one and when I started it up the belt came off.I noticed when I went to put belt back on that the crankshaft pulley is not inline with the rest of the pullies alt, aipower steering. What would cause this to happen?

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5 Answers

Tiny

keithandbev

January, 24, 2012 AT 8:27 AM

I have just experienced the same thing today. Any ideas anybody

Tiny

rasmataz

January, 24, 2012 AT 9:06 AM

You crankshaft pulley could be loose try torquing it to specs and inspect the other pulleys double check belt tracking/alignment

Tiny

keithandbev

January, 24, 2012 AT 9:12 AM

In another forum I found many Montana's where the Harmonic Balancer has come apart which is causing the pully to be 1/2" out of alignement so I will check this now. Thanks everybody.

Tiny

MattF6

August, 16, 2013 AT 6:26 PM

What were the results? I have a similar issue with the same year/make/model.

Thanks for any info.

Tiny

dkroese

August, 17, 2013 AT 11:17 AM

I had the same problem and the harmonic balancer (102K miles)had actually started to separate and caused the pulley to move forward. Oriellys to my surprise had it in stock so I suppose it is a common problem. At the same time I found everyone of the idlers/bearings(there are a few) were wore out so I replaced them

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