[T3] I'm a bit confused as to why unplugging this IAD temp sensor clears things up.

Jim Adney jadney at vwtype3.org
Wed Apr 3 07:20:00 PDT 2019

On 3 Apr 2019 at 9:28, David wrote:

> Hey Jim - as a side note here; if he is using a '72 dist. with a '73 system,
> should he leave the distributor retard side port open to let air into the
> retard side? My thought is if he plugs this unused retard port, the internal
> diaphragm may not move appropriately to the advance side because of a sealed
> vacuum condition on the retard side.

You're right, an unused retard port should be left open.

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

More information about the type3-vwtype3.org mailing list