i have a 1985 mercury cougar 302 v-8 and we have replaced the water pump and the thermostat, why else could it still be over heating?
Feb 26, 2007 at 6:50 AM
1985 Mercury Cougar Overheating
PUP87OH
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FAN WORKING ???
Feb 26, 2007 at 7:11 AM
Plugged Radiator, Check to see rad is hot on top and cools towards the bottom, If it has a clutch fan spin the blades while engine is cold, the after warming up,
any difference?
any difference?
Mar 4, 2007 at 9:16 AM
Suggested Repair
Verify the cooling fan operates. Check the radiator for plugging by comparing temperature from the hot top toward the cooler bottom. If it has a clutch fan, compare blade spin resistance when cold versus after warm-up.
Conversation Summary
The owner of a 1985 Mercury Cougar 302 V-8 reports continued overheating after replacing the water pump and thermostat. Experts recommend confirming the fan works, checking for a plugged radiator by temperature from top to bottom, and testing clutch-fan drag cold versus hot.