

| Subject: | Re: 1.9L running hot....ideas ? UPDATE running a 70� t-stat instead of 87�? |
| Date: | Mon, 27 Mar 2006 20:53:30 EST |
thanks mark...i concur about the running too low when driving part.. stay tuned for a IR heat gun report.. thanks everyone.. will keep y'all posted. chris In a message dated 3/27/06 3:29:54 PM Eastern Standard Time, drillock@earthlink.net writes: > No, that is not normal. As I said here 2 months ago when you first > started this thread, you have a wrong notion of what is normal based on > what your other van did. The temp gauge needle should be near or right > against the bottom edge of the led, or even higher, as you go down the > road with the engine warmed up. Obviously, the outside air temp makes > some difference but the whole purpose of the thermostat is to keep the > engine temps fairly stable under all conditions and in the range for > best engine operation and lowest wear. Yours are not, since you have a > thermostat that keeps the coolant flowing too much a lot of the time. > Your engine is running too cool as you cruise on the highway and then > comes up to normal while you are stationary for a time with the engine > running. > > Look at the parts data for other Audi and VW vehicles of the era ours > are from. You will find that 87 degree thermostats prevail, regardless > of engine type, vehicle type, turbo or not, etc. There are a few times > where an 80 degree thermostat is called for in certain climates or load > conditions. There are lots of examples where larger capacity radiators > are available, second helper radiators are available, different fans or > fan cowlings are available, all as options but with the same 87 degree > thermostat. That should tell you something, hopefully. > > Mark > > > JordanVw@AOL.COM wrote: >
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