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[GMCnet] Engine vibrations & noises, broken belt [message #217697]

Sat, 10 August 2013 19:37

fitzmorrispr

Messages: 137
Registered: February 2013
Location: Los Angeles

Karma:

Senior Member

Hey guys. Haven't fixed the air compressor switch yet, but I have fixed the
power loss under acceleration. It was indeed the fuel filter.

Today, my ac belt snapped, tangled itself in the fan. When it did, a
persistant vibration I'd been experiencing got worse, and gained an audible
component. It makes a ta-ka ta-ka sound, doing about three ta-kas per
second at idle. I thouht it might just be some bit of belt lodged in he fan
shroud brackets, and getting struck by the fan, and it might just be, but I
didn't see any pieces, and rotating the fan by hand made no sounds.

I think it's the main drive pulley off the crankshaft. It looks kinda like
its off center, as it spins. Does it have any rubber part in it, like some
of those harmonic balancers do? If so, could that wear out in such a way
that the pulley could jiggle back and forth while running?

I'll note that the ac belt is the only one putting tension on the drive
pulley towards the right side of the engine, and that obviously, it's gone
now.

Any ideas? I'll try to make a video to show you guys what I mean.
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[Message index]

		[GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Sat, 10 August 2013 19:37
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Otterwan on Sat, 10 August 2013 20:12
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Ken Burton on Sat, 10 August 2013 23:14
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Sun, 11 August 2013 14:25
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Otterwan on Sun, 11 August 2013 15:12
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Sun, 11 August 2013 17:39
		Re: [GMCnet] Engine vibrations & noises, broken belt By: James Hupy on Sun, 11 August 2013 18:37
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Sun, 11 August 2013 21:18
		Re: [GMCnet] Engine vibrations & noises, broken belt By: WD0AFQ on Sun, 11 August 2013 22:02
		Re: [GMCnet] Engine vibrations & noises, broken belt By: kerry pinkerton on Sun, 11 August 2013 22:13
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Carl S. on Sun, 11 August 2013 22:49
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Carl S. on Sun, 11 August 2013 23:02
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Mon, 12 August 2013 01:15
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Mon, 12 August 2013 15:57
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Mon, 12 August 2013 20:37
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Carl S. on Mon, 12 August 2013 21:19
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Otterwan on Mon, 12 August 2013 22:08
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Tue, 13 August 2013 02:03
		Re: [GMCnet] Engine vibrations & noises, broken belt By: sgltrac on Tue, 13 August 2013 09:24
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Tue, 13 August 2013 09:43
		Re: [GMCnet] Engine vibrations & noises, broken belt By: James Hupy on Tue, 13 August 2013 09:59
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Tue, 13 August 2013 10:08
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Tue, 13 August 2013 10:18
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Otterwan on Tue, 13 August 2013 11:15
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Tue, 13 August 2013 11:28
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Otterwan on Tue, 13 August 2013 12:49
		Re: [GMCnet] Engine vibrations & noises, broken belt By: Keith V on Tue, 13 August 2013 14:27
		Re: [GMCnet] Engine vibrations & noises, broken belt By: fitzmorrispr on Tue, 13 August 2013 19:45
		Re: [GMCnet] Engine vibrations & noises, broken belt By: USAussie on Tue, 13 August 2013 13:07
		Re: [GMCnet] Engine vibrations & noises, broken belt By: jhbridges on Tue, 13 August 2013 12:46
		Re: [GMCnet] Engine vibrations & noises, broken belt By: USAussie on Sun, 11 August 2013 17:45
		Re: [GMCnet] Engine vibrations & noises, broken belt By: hnielsen2 on Sun, 11 August 2013 18:06
		Re: [GMCnet] Engine vibrations & noises, broken belt By: hnielsen2 on Sun, 11 August 2013 18:08
		Re: [GMCnet] Engine vibrations & noises, broken belt By: habbyguy on Sun, 11 August 2013 18:12
		Re: [GMCnet] Engine vibrations & noises, broken belt By: jimk on Sun, 11 August 2013 18:26

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