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lukesky
Samba Member
Joined: July 12, 2006
Posts: 246
Location: See The Rabbits, IA
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 Posted: Wed May 02, 2007 4:08 pm Post subject: Generator/Fan Belt |
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I need to get a new belt before mine wears out, but I'm still not sure what size to buy. 912 or 905mm. Everything I've read says:
The correct belt size for all upright Type 1 (Beetle/ Kharman Ghia/Thing/older Bus) engines (except 12-volt engines with alternators)is either 900mm or 905mm. The correct size for 12-volt engines with alternators is 11.3 x 912mm.
Does my 74 Thing with the stock Thing engine (matching number) have a generator or alternator? Hurry, before the belt breaks! 
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You get what you get, and you don't throw a fit.
-Gabi |
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Ian Epperson
Samba Member
Joined: January 12, 2005
Posts: 2262
Location: Alameda, CA
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lukesky
Samba Member
Joined: July 12, 2006
Posts: 246
Location: See The Rabbits, IA
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| Posted: Wed May 02, 2007 7:51 pm Post subject: |
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I thought I had read that before. Thanks, Ian!
Since you're on a roll, any advice on a 900mm v. 905 mm?
Cheers!
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You get what you get, and you don't throw a fit.
-Gabi |
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kubelmann
Samba Member
Joined: April 13, 2003
Posts: 3266
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| Posted: Wed May 02, 2007 8:13 pm Post subject: |
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These are the correct part numbers and sizes
Generator Belt, 10 x 905mm
111-903-137D - Made in Germany | Year: 46-73 bug, 50-71 bus |
$5.25 - Quantity:
Alternator Belt, 11.3 x 912mm
111-903-137E - Made in Germany | Year: 73-79 |
$7.99 - Quantity: |
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lukesky
Samba Member
Joined: July 12, 2006
Posts: 246
Location: See The Rabbits, IA
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| Posted: Thu May 03, 2007 8:41 pm Post subject: |
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My local import motor parts store, which is as reliable as I can get here, sold me a GoodYear Gatorback #15361 11AV0900. I'm guessing the 0900 means it's a 900 mm, but the guy in the shop didn't know what size, he only knew what part. According to Goodyear, it's 35.500 long, which, if that's inches, puts it at 901.7 mm.
At least it's made in Mexico so I'll keep it original 
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You get what you get, and you don't throw a fit.
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kubelmann
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Joined: April 13, 2003
Posts: 3266
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| Posted: Thu May 03, 2007 8:54 pm Post subject: |
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Take my advise
Buy a real belt. They are not costly.
Go to www.oeveedub.com
Get the exactly correct belt for a generator or alternator made to factory specs...
They sell the stuff you were able to buy back in the days when VW supported our cars.
The wrong belt will cause damage and will not last. |
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lukesky
Samba Member
Joined: July 12, 2006
Posts: 246
Location: See The Rabbits, IA
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| Posted: Fri May 04, 2007 7:59 pm Post subject: |
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Thanks, K-mann. I'm with you on buying the best, but I still don't know whether 900 or 905mm is the size, or if it makes a difference. I read Rob&Dave's Aircooled pages and they say either one. I took their advice to get a new one and I'm planning on carrying the existing one as a spare. I don't see in Muir's book where it says a size. What I gather from most of what I've read is that 900 or 905mm will work depending on the number of shims you use.
What's your recommendation?
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You get what you get, and you don't throw a fit.
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 76902
Location: Sneaking up behind you
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| Posted: Fri May 04, 2007 8:02 pm Post subject: |
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I use a Gate 7355 and I have an alternator.
I like the Gates since they have extra cords on the outer edge which prevents it from being thrown off at high rpm and from flipping.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare |
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