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Re: [T3] Sputtering fixed

On 8 Nov 2003 at 13:38, Aaron Clow wrote:

> I didn't realize it at first, but I had used 5/16" hose on that instead
> of the 7mm that it looked like would be a nice snug fit. So I finally
> took peoples' suggestions and put a clamp on it. 

I think every one of my type 3s still had an original hose in this place. I've 
never used a clamp on any of these connections, but they do need to be snug, 
and I have sometimes had to get a different hose from a different engine and 
replace one which had been abused. Clearly, if it keeps falling off, it's too 

I can't find a listing for that particular hose on the microfilm, but it does 
list the fuel hose as 7mm. I think the fuel hose was later upgraded to 7.5mm, 
and I think 8mm(5/16") works even better. I don't know about the pressure 
sensor hose, I've never replaced one with new hose.

> It seems part of the problem with the high idle is that my throttle is
> sticking just a little because the spring doesn't pull the throttle
> closed all the time, only when I punch the throttle & let it go
> quickly. 

The MOST COMMON cause of a sticking throttle is that the carpet has slid down a 
bit in front of the gas pedal. This allows the "cam" that is attached to the 
back of the pedal, and that the throttle roller rides on, to catch on the 

There are 2 things you should do about this: Slide the carpet up, and file the 
burr off the corner of that cam.

Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA

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