Clean for vacuum leaks. Also make sure the pressure in the system
is holding at the correct pressure. Could be the Rad. cap.

            Eric                   86-VW4x4
            vw4x4@fyi.net          72-240z
            Pittsburgh, PA USA     1936-Chrysler
   

On Sat, 17 Jul 1999, HP wrote:

> I've got a problem with my 87 Westy that has both I and my mechanic 
> stumped. He keeps grumbling something about those wonderful aircooled engines.
> Right now "Fru Pedersen" my 87 Westy isn't running right. Upon freeway 
> driving at about 65 mph or when loading the engine on a uphill climb my 
> coolant temp rises ( measured at 207 degrees F.). This is not good. Runs 
> fine going downhill. We just bled the system and replaced the thermostat 
> (80 degree C. one). The waterpump is 1� years old, works fine. New heads 
> and gaskets on both sides 11 months ago, total 88,000 miles on her. About 
> 35 days ago we replaced the original muffler which was very "airy" with a 
> new one.
> Interestingly enough this problem developed after the Westy was parked for 
> 5 days. Ran fine before then, but upon my return July 5th, and starting her 
> up, the temp would climb to near the top of the guage as described above. 
> I'm not losing any coolant. Engine runs fine good power, it just runs hot 
> when going uphill or flat out on say Highway 101 from Santa Rosa to SF 9 
> days ago. We are both stumped, and my mechanic ( although mostly an 
> aircooled guy) has been working on VW's for 25 years.
> 
>   Anybody have any suggestions or help ?
> 
> Interestingly enough I have a 89 Jeep Cherokee that is also experiencing 
> the exact same symptoms. It was parked next to Fru Pederson . Perhaps it's 
> a virus going around ?
> Thanks
> 
> Hans-Peter Elmer
>