thermostat location and purpose

1987 BMW 325
FWD • MANUAL
Avatar
CHELSEAGRINMETAL
  • MEMBER
  • 1 POST
What is the thermostat used for and where is it located?
Dec 13, 2010 at 1:25 PM
Avatar
CARADIODOC
  • ✓Experienced Mechanic
  • 34,389 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.

caradiodoc
Dec 13, 2010 at 1:33 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle