2002 Chevy Cavalier removal of thermostat

139,000 MILES • 4 CYL • FWD • AUTOMATIC
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GREG BOYETTE
  • MEMBER
  • 1 POST
how do you remove
Nov 1, 2010 at 12:56 PM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
Should be located in a removable housing at the engine end of the upper radiator hose

Drain about 1 gallon of coolant from the radiator

Remove this housing

Make note how thermostat is installed

Clean both surfaces

Replace thermostat and gasket

Re-install housing

Re-fill coolant slowly to prevent an airlock

Start engine and look for leaks

Run engine to normal operating temperature with heater on

Re-check coolant level
Nov 1, 2010 at 1:05 PM
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