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johnsilverlakes Samba Member

Joined: July 22, 2015 Posts: 96 Location: Silver Lakes, California
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Posted: Sat Dec 12, 2015 4:58 pm Post subject: Missing O-Ring on Idle Adjustment Screw Fuel Injection |
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Anyone know the size/dimensions of the o-ring for the idle adjustment used on fuel injected 76 Bus? Mine is missing completely. I've got an assortment, but not sure how it was intended to seal. Looks like the throttle body is completely threaded. So, I was thinking that if it was supposed to fit inside the threaded area it would be smooth near the top...I'm trying to get the idle to lower. I checked for air leakage elsewhere and this seems to be the logical place to fix...
Thanks!
John _________________ 1976 Westfalia
Manual Transmission
Federal Emissions |
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SlowLane Samba Member

Joined: July 11, 2005 Posts: 1044 Location: Livermore, CA
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Posted: Sat Dec 12, 2015 6:48 pm Post subject: Re: Missing O-Ring on Idle Adjustment Screw Fuel Injection |
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Just measured one: 15 mm OD, 10.5 mm ID, 2.25 mm thickness. _________________ Present:
'81 Westfalia: 2L, manual. Originally Canadian, now Californiated
Back in the day:
'72 Super Beetle
'69 Camper Van - Corvair powered
'71 Window Van - Transferred Corvair from '69
"With sufficient thrust, pigs fly just fine." - Internet RFC 1925
"They say a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance." - Sir Terry Pratchett |
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johnsilverlakes Samba Member

Joined: July 22, 2015 Posts: 96 Location: Silver Lakes, California
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Posted: Sat Dec 12, 2015 7:43 pm Post subject: Re: Missing O-Ring on Idle Adjustment Screw Fuel Injection |
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SlowLane wrote: |
Just measured one: 15 mm OD, 10.5 mm ID, 2.25 mm thickness. |
Thanks for the info. SlowLane! That helps determine how it should fit... _________________ 1976 Westfalia
Manual Transmission
Federal Emissions |
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