[T3] Air Presser Sensor ( tow my T3)

Jim Adney jadney at vwtype3.org
Sat Nov 8 11:10:09 PST 2014

On 8 Nov 2014 at 9:21, Tim Keohane wrote:

> I have 2 sensors, both identical, one holds vacuum at 15" hg for 5
> minutes ( in the car ) the other will develop 15" hg but bleeds if off
> in about 15 seconds. It was in the car. It is the one that was
> accessed to get to the small adjusting screw. Nate at Provolks thought
> it may be the seal between the 2 halves, and then would be a simple
> fix. I have not opened it up just have it in a box. I can send it off
> to you and when I find a good replacement for the one in the car I can
> let it go as well. 

Even that slow leak should be okay. The bad ones leak quickly, so 
quickly that you can never develop a vacuum in them at all.

> Just a note: I see you referenced a "107" number and mine are "007".
> Possibly a typo ? 

Yes, sorry, a typo. I meant 007.

> This car has been in the family since mile 1, but has visited "shade
> tree mechanics" to the pros, so I'm guessing its original except for
> the injectors. I've looked for an identifying tag or number on the CPU
> but haven't seen anything definite. The air intake distributor is
> original, the sensors probably not, and the EGR system disappeared
> looooong ago. Just blocked off now. 

Sounds like a good, intact '73. I only asked because I wanted to make 
sure we weren't talking about the car with the transplanted engine 
and FI system from a different year.

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

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