Thermostat location and purpose

Tiny
CHELSEAGRINMETAL
  • MEMBER
  • 1987 BMW 325
  • FWD
  • MANUAL
What is the thermostat used for and where is it located?
Monday, December 13th, 2010 AT 9:25 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,738 POSTS
It usually sits in a housing that the upper radiator hose connects to on the engine. It blocks coolant flow until it reaches the desired temperature, typically 195 degrees, then opens to allow hot coolant to flow to the radiator.

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Monday, December 13th, 2010 AT 9:33 PM

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