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2000 Saturn Sedan Thermastate

Tiny
CHUGGER232
  • MEMBER
  • 2000 SATURN SEDAN
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 161,995 MILES
I have a 2000 Saturn and my temperture gage after it warms up reads normal, but when I drive down the road every so often it fluctuates down to cold then back up to normal. Could my water pump be going bad or would it just be the thermostat
Thursday, June 17th, 2010 AT 8:56 AM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
I need to know what Model you have?Do you have a S model?Or a L model if you have a L model do you have a 2.2 or 3.0 engine?Let me know so I can help you with this.
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Thursday, June 17th, 2010 AT 12:22 PM
Tiny
CHUGGER232
  • MEMBER
  • 2 POSTS
The model of the car is the S model.
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Thursday, June 17th, 2010 AT 7:13 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS


https://www.2carpros.com/forum/automotive_pictures/416332_2001_sl2_coolant_temp_sensor_location_1.jpg


Sound's like a bad coolant temp sensor i posted a diagram of where it is.Make sure the engine is cold when you change it you will loose coolant.All so make sure you get a brass tipped one the plastic tipped one's crack.There only like 10 when you change it make sure you inspect the connector if it's corroded you have to change the connector as well.Let me know how it goes.
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Thursday, June 17th, 2010 AT 9:02 PM

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