Question about 1998 Lincoln Mark VIII
Carefully raise the engine RPM above 2000 and observe the Radiator hoses for collapse. Have your cap checked for holding pressure.
The electric fans usually are 2 speed units. Check with Autozone or Oreillys for the relays which switch to high speed. Some rely on a second temp sensor; you may have changed the dash gauge temp switch and not the fan speed temp switch.
Then if no success you need to get the Fan clutch checked with a timing light. The fan clutch is designed to lock at higher temps. It is suppose to slip in cold weather. A mechanic would take a timing light with a RPM scale and compare the crankshaft RPM with the fan RPM to see if the fan clutch is bad.
Posted on Aug 25, 2010
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Posted on Jan 02, 2017
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