Savage vibration - fan? bearing? belt? poltergeist?

spdterence Seriously Crusin Dubber

143 posts · joined May 2008 · 17 Sep 2009, 5:26 pm

#735783

So I change the main jets and get ready to take her for a spin. I blip the throttle and ........ holy crap - what is that vibration? 😬
The whole tinware seems like it wants to leave - somethings not right.

I think the VW Gods are trying to send me back to the office. Perhaps I violated one of the laws of VW mughanics?

What could this violent vibration be caused by?

It has a brand new Bosch alternator and serpentine belt on it.

Terry - Offender of VW Gods.

Smile - It confuses people😀

Today:
Aussie 69 IRS pan Brazilian curves
1916cc of Stans magic
Fat boy stainless extractors
Craig & Tims 3 bar stiffy

Tomorrow
Cooookies
Better brakes

greedy53 Bishop of Volkswagenism

3,062 posts · joined Mar 2006 · 17 Sep 2009, 5:39 pm

#735789

seeing that you have had a new alternator fitted, i suspect the fan has not been tightened and is coming loose the easy way to find out is to take the fan belt of and start her up. it could also be that the belt has been to tight and has buggered the bearing

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Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 · 17 Sep 2009, 5:49 pm

#735792

maybe its the extra ponies trying to get out ?!😂

spdterence Seriously Crusin Dubber

143 posts · joined May 2008 · 17 Sep 2009, 5:57 pm

#735796

Yep - took the belt off. No vibration.
Spun the alternator - bearings seem smooth, no endplay all good there.

So here is the answer. I am a moron.

There is a polished stainless panel on the back of my engine bay. It has a sharp edge. I put a rag there to stop my hand being cut. I left it there.
The fan sucked it in.

All good - everything works again. 😊

Smile - It confuses people😀

Today:
Aussie 69 IRS pan Brazilian curves
1916cc of Stans magic
Fat boy stainless extractors
Craig & Tims 3 bar stiffy

Tomorrow
Cooookies
Better brakes

pod i`ve got to finish this thing one day

4,980 posts · joined Dec 2003 · 17 Sep 2009, 6:27 pm

#735806

ouch😢 Rags and air intakes dont mix do they Greedy🙅

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vw54 Administrator Always Waiting 4 Friday

16,723 posts · joined Aug 2002 · 17 Sep 2009, 6:34 pm

#735807

get a mirror and use it to see if u have got all the bits out of the fan

these will go through and sit on top of cyclinders and cause hot spots

not very good imn an air coled motor

I read it on FACEBOOK so it must be true

http://forums.aussieveedubbers.com/viewtopic.php?tid=91278&page=1#pid848630

http://forums.aussieveedubbers.com/viewtopic.php?tid=63561&page=1#pid624099

http://forums.aussieveedubbers.com/viewtopic.php?tid=4832&page=1#pid452603

http://forums.aussieveedubbers.com/viewtopic.php?tid=60650&page=1#pid574409

spdterence Seriously Crusin Dubber

143 posts · joined May 2008 · 17 Sep 2009, 6:49 pm

#735812

By some minor miracle the rag is complete!. There was no shredding or jamming or other such complications - to my knowledge.

Thanks for the great tip. I would not have thought of that of my own accord.

Smile - It confuses people😀

Today:
Aussie 69 IRS pan Brazilian curves
1916cc of Stans magic
Fat boy stainless extractors
Craig & Tims 3 bar stiffy

Tomorrow
Cooookies
Better brakes

greedy53 Bishop of Volkswagenism

3,062 posts · joined Mar 2006 · 17 Sep 2009, 8:36 pm

#735831

yep pod now i will have nightmares, and crawl back under the bed ,all that money well $3.00 wasted

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