coupler or god no, the bearings (2 videos) - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-13-2006, 11:51 PM   #1
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Default coupler or god no, the bearings (2 videos)

noise does not seem to go away under RPM'* like it does on all the other bad couplers i have seen..

ticking right on top of the charger, right where the rotors are

http://media.putfile.com/MOV09865

http://media.putfile.com/MOV09866 <-- hard to tell.. i moved the camera to fast... RPM'* get me excited
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Old 02-14-2006, 12:11 AM   #2
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Remove the SC/AC belt and try it again. Same vids. Post them here.

Refer to the 'Diagnosing Problems' section of www.williamwren.com/superchargers

Be prepared for a topic move if the problem (noise) disappears after a belt removal, but I can tell you that it sounds more like idler bearings than anything. Sound quality of videos can be misleading though.
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Old 02-14-2006, 12:36 AM   #3
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SC only... dont make responsible for overheating my engine...

think s2 bill

running back downstairs again after i just cleaned my hands
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Old 02-14-2006, 12:49 AM   #4
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Quote:
Originally Posted by harofreak00
SC only... dont make responsible for overheating my engine...

think s2 bill

running back downstairs again after i just cleaned my hands
Your WP runs off your OTHER belt on the S2. Your AC and SC are on one belt. Unless I'm understanding your statement wrong?
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Old 02-14-2006, 12:54 AM   #5
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Just off the phone with the mis-reading bozo.

SC belt off, noise remains. Removing the other belt after the motor cools for a max of a 2-3 minute run without the WP. Still sounds like an idler pulley bearing to me.

He says the fuel rail is rattling. Tightening the 10mm fuel rail bolts while it cools, right Haro?
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Old 02-14-2006, 12:54 AM   #6
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my bad.. i was thinking you were thinking that the WP was on the SC belt...

ANYWAYS

took off the SC belt... same noise.. thank goodness

waiting for the engine to cool down, and then im gonna run it with no belts for a minute or 2 and see if the noise is there still
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Old 02-14-2006, 01:55 AM   #7
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same noise with NO belts..

http://media.putfile.com/MOV09868

am i looking at an internal problem here?

i retorqed all the bolts holding the fuel rail down, which i had just swaped... and one of them sheared right off.. very brittle...

noise WAS there BEFORE this happened though..

now i have to worry about tapping that old bolt out of there

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Old 02-14-2006, 05:10 PM   #8
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Do you have an easy out you can use on that bolt?

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Old 02-14-2006, 08:06 PM   #9
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i will have to get one...

more concerned with the rattle... but im sure you guys wont continue to diagnos until i get that bolted down good
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Old 02-14-2006, 08:12 PM   #10
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Quote:
Originally Posted by willwren
Quote:
Originally Posted by harofreak00
SC only... dont make responsible for overheating my engine...

think s2 bill

running back downstairs again after i just cleaned my hands
Your WP runs off your OTHER belt on the S2. Your AC and SC are on one belt. Unless I'm understanding your statement wrong?
The supercharger has ITS OWN BELT. Everything else on a series II runs off the accessory belt. AC and all. The SC is the only thing you are disabling when you take the SC belt off.

Shawn
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