1997 Ford Ranger thermostat

Tiny
MADA438
  • MEMBER
  • 1997 FORD RANGER
Engine Mechanical problem
1997 Ford Ranger 6 cyl Four Wheel Drive Manual

Do you have to drain the coolant to change the thermostat?
Thursday, November 20th, 2008 AT 5:50 PM

1 Reply

Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
You do not have to drain the whole system to change thermostat. Take off the pipes going to thermostat housing obviously you will lose coolant. Take off housing . Replace thermostat. Replace housing. Refill system. And bleed system. Let the engine get hot enough for thermostat to open.
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Wednesday, October 28th, 2020 AT 12:30 PM

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