You should not need to pull or replace the head, the temp sensor is on a
cooling fin and is a blind fitting.
Just have one drilled and tapped on the identical mirror location aft of
the rear cyl. on that side.  Can be done without
dropping engine.  If that is your only problem you will be ok.

George Lehman
1982 westy, new since '82

On Fri, 24 Aug 2001 12:12:57 EDT Ed McLaughlin <Edmundmclaughlin@AOL.COM>
writes:
> I've just (finally) entered the world of VW ownership with a 1980
> Westfalia.
> The interior's in top shape, some surface rust on the outside, but
> all in all
> not too bad. Engine-wise, however... the head is cracked at the
> point the
> temp. sensor for the FI screws in, thus giving an incorrect temp
> reading and
> therefor fuel mix. The result is that, once the engine is nice and
> hot, I can
> only do 80-90 km/h (50-55mph) flat out (that was with a tail wind)
> and she's
> guzzling gas like crazy. The fuel pump is delivering 100%, so it's
> not a fuel
> delivery problem. I can find my way around as long as I have a shop
> manual in
> front of me.
> Q1: As long as I pull the engine to replace the cracked head, what
> else
> SHOULD I do, bearing in mind I want a quick turnaround, not a
> complete
> rebuild.
> Q2: Since I limped home in this sorry state (300km/180miles) have I
> possibly
> damaged/burnt/fried anything?
> Q3:This was the professional diagnosis from recommended Porsche/VW
> mechanic,
> but are there any other possible culprits lurking in there?
> Thanks in advance
> Ed
>
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