1999 Chevy Lumina tHERMOSTAT

180,000 MILES • 6 CYL • FWD • AUTOMATIC
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RANDY ADAIR
  • MEMBER
  • 1 POST
wHERE IS THERMOSTAT ON THE 3.1 V6?
Jan 16, 2009 at 3:25 AM
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RENAUDTN
  • ✓Experienced Mechanic
  • 636 POSTS
Follow upper radiator hose to engine block.
The hose connects to the engine at the thermostat housing. The thermostat is inside the housing.
I suggest you buy a Haynes/Chilton manual to help you replacing it. You can find used ones for dirt cheap.

Good luck.
Jun 21, 2019 at 8:05 AM
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