nissan pulsar 1993, the fan/cooling system is playing up. the car is overheating to the point where the water in the overflow is boiling, if i turn off the engine and start it up again then the fan starts. any ideas?

Submitted by enjoyhatty Sat 06/12/2010

check the thermostat probably

Submitted by 773mtech on Fri, 06/11/2010 - 22:18.

check the thermostat probably stuck closed

Check the cooling fan relay

Submitted by bfree on Sun, 06/13/2010 - 13:37.

Check the cooling fan relay (located in the underhood fuse/relay box), make sure that it is tight and it's contacts are clean.
Check the cooling fans connector (at the fan itself)

if all else is good could be a dirty/corroded temperature sensor

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