Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: Throttle Valve Stop Screw Adjustment.
From:Alistair Bell
Date:Tue, 3 Jul 2012 16:12:38 -0700

I think not Neil. I believe the hole remains clear when throttle plate closed.

But as in all things, I'm open to correction :)

alistair

On 2012-07-03, at 3:38 PM, neil n wrote:

> Hi all.
> 
> When idle stop screw is set correctly, should the throttle valve be
> blocking the EVAP (canister purge) hole in throttle body?
> 
> I removed a small divot worn on face where stop screw rests. This divot
> would allow the stop screw to compress my 0.076 mm feeler gauge a little
> and leave a dent.
> 
> The idle stop screw had red adhesive keeping it in place. I am checking,
> resetting this screw and will reapply adhesive of some kind.
> 
> Possibly moot given the throttle body wear but  it seems to me that the
> valve is thick-ish at that point to stop a vacuum from being applied to the
> EVAP canister purge valve.
> 
> Thanks
> 
> Neil.
> 
> --
> Neil n
> 
> 65 kb image Myford Ready For Assembly  http://tinyurl.com/64sx4rp
> 
> '88 Slate Blue Westy to be named.
> 
> '81 VanaJetta 2.0 "Jaco"  http://tubaneil.googlepages.com/
> 
> Vanagon VAG Gas I4/VR Swap Google Group:
> 
> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines