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Old 06-25-2008, 01:12 AM
A264172 A264172 is offline
Ta ra ra boom de ay
 
Join Date: Jun 2004
Location: Pittsburgh
Posts: 1,915
If the belt driven fan (fan clutch) does not work and the aux fan does, the temp will never get past 115 degrees.

You can test it by running until above 110 and then shutting off the engine. Pop the hood and try to spin the fan by hand. If it turns easily it has failed.
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-Marty

1986 300E 220,000 miles+ transmission impossible
(Now waiting under a bridge in order to become one)

Reading your M103 duty cycle:
http://www.peachparts.com/shopforum/showpost.php?p=831799&postcount=13
http://www.peachparts.com/shopforum/showpost.php?p=831807&postcount=14
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