1993 LEXUS GS 300

  • Tiny
  • Ely Morales
  • 1993 Lexus GS 300

Heater problem
1993 Lexus GS 300 6 cyl Two Wheel Drive Automatic

how to install a thermostat

Tuesday, February 23rd, 2010 AT 2:02 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

Fig. 43 Removing Thermostat


1.Drain engine coolant.
2.Remove two water inlet mounting nuts, then water inlet, thermostat and gasket, Fig. 43.
3.Install new thermostat in water inlet housing with jiggle valve facing straight upward.
4.Install new gasket and water inlet to inlet housing and torque nuts to 78 in. lb.
5.Fill engine with coolant, then start engine and check for leaks.

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Tuesday, February 23rd, 2010 AT 2:56 PM

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