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Old 07-14-2000, 09:03 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The 1985 car has 2 speed fan, low speed with a/c pressure & high speed with engine temp over 100c. There are 2 relays for the 2 different speeds. T/stat temp is the fully open rating. If the rating is 80 but engine runs at 90 then cooling system is doing all that it can do. Engine temps around 100c this time of year are NORMAL! If temp goes up at highway speed then you have problem. Air flow at 60mph is greater than fan can pull, also volume of waterpump increases with speed.
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