1980 Toyota Pickup CHANGING THERNASTAT

Tiny
VIRCEN
  • MEMBER
  • 1980 TOYOTA PICKUP
Engine Cooling problem
1980 Toyota Pickup Front Wheel Drive Manual 150000 miles

HOW DO YOU CHANGE THE THERMASTAT IN A 1980 PICKUP
Sunday, August 15th, 2010 AT 3:09 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi VIRCEN,

Drain the coolant.
Disconnect the upper radiator hose.
Remove the bolts holding the thermostat housing ( joint from where the upper hose was disconected).
Remove the thermostat housing.
Remove the thermostat. Note thermostat position before removing.
Clean the seats of the the thermostat and gasket.
REverse procedure to reinstall.
Top up coolant.
Run engine for 1 minute with radiator cap OFF.
Turn Off engine. Top up coolant.
Repeat a few times till the coolant level does not drop.
Close radiator cap. Run engine untill operating temperature.
Allow to cool.
Remove radiator cap to check coolant level. Top up if necessary.
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Sunday, August 22nd, 2010 AT 11:34 AM

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