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Old 02-12-2002, 10:32 PM
Posts: n/a
Arrow Me same problem

Originally posted by sixto
A bad monovalve will provide some heat at low engine speed and little to no heat at high engine speed. It takes a few minutes to check your monovalve so it's hardly worth speculating.

Do a search on monovalve and username sixto. Also check out One of the albums has photos of how to get to the monovalve.

91 300SE
81 300SD
I have the same problem and just got my car back today after spending a total of 500.00 to get it fixed and still there is no heat when I hit the higher speeds. I went to the link in the above post but it doesn't work....Can you or would you mind elaborating a little more on the monovalve thing.....I would appritaite it. :-/

86-190E (cold)
65 Bonniville convertible

Last edited by Indianadriver; 02-12-2002 at 10:38 PM.
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