’94 Mazda B4000 temperature not regulating

This topic has 4 replies, 5 voices, and was last updated 11 years, 8 months ago by exceptionalchris.

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June 21, 2013 at 6:43 am #531454
Mike
Participant
Recently changed out radiator, water pump, thermostat and upper radiator hose. Temperature fluctuates while driving but doesn’t stabilize and goes toward “H(ot)” when idle. Smelling antifreeze inside vehicle. I don’t drive with A/C. What could be the issue – heater coil?
Thanks in advance!
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June 21, 2013 at 7:45 am #531465
Bill
Participant
The smell of coolant might be a heater core leak but from what you have said you have already done you should be checking for a head gasket leak.
June 21, 2013 at 1:59 pm #531531
college man
Moderator
With all the work done you may have air in the system.
As for the smell of coolant may be a leak or its from running
hot.
June 21, 2013 at 11:53 pm #531617
jay
Participant
If it is overheating at idle it could be a worn fan clutch.
temp variations at speed could also be the fan clutch and air in the system.
June 22, 2013 at 1:46 pm #531842
exceptionalchris
Participant
+1 on bleed the coolant system.
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