Where is the thermostat? I have the 6cyl 3.4L engine.

Tiny
AGANG56
  • 1999 OLDSMOBILE SILHOUETTE
  • 260,000 MILES

I'm replacing the radiator (first time) and would like to replace the thermostat as well.

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Thursday, July 19th, 2012 AT 5:47 PM

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Tiny
ASEMASTER6371
  • EXPERT
  • 25,511 POSTS

Under the throttle body. Follow the upper hose.

Roy

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Thursday, July 19th, 2012 AT 5:54 PM

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