1994 Ford F150 4x4 4.9l I6 overheating, Have replaced thermostate (twice) and flushed radiator. Has thermostat design changed and or do they have multiple heat settings

Asked by Oct 25, 2016 at 02:41 AM about the 1994 Ford F-150 S 4WD LB

Question type: Maintenance & Repair

without thermostat engine dosen't overheat, actually struggles to get to op
temp.

stu566@gmail.com

1 Answer

16,600

You're lucky it gets up to operating temp without a thermostat. Have you checked to see if the radiator is blocked?

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