1997 Chevy Cavalier when driving engine coolant tep drops

Tiny
VCAAA5
  • MEMBER
  • 1997 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 111,000 MILES
I just changed the thermostat and water pump when driving 45 mph or less it warms up to normal operating temp when I go 55mph or faster the coolant temp starts droping to luke warn and I get no heat in car It worked fine before the repairs
Friday, April 3rd, 2009 AT 6:14 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Hi:
It sounds like you got a bad t-stat and it's not closing as the temp drops. I would start by trying a new one.

Let me know if it works.

Joe
Was this
answer
helpful?
Yes
No
Friday, April 3rd, 2009 AT 6:25 PM
Tiny
VCAAA5
  • MEMBER
  • 4 POSTS
I tried a new thermostat and it is still the same
Was this
answer
helpful?
Yes
No
Saturday, April 4th, 2009 AT 6:52 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
THat is really the only thing that can contribute to this problem. Are you sure it was replaced pointing in the right direction?
Was this
answer
helpful?
Yes
No
Saturday, April 4th, 2009 AT 12:30 PM
Tiny
VCAAA5
  • MEMBER
  • 4 POSTS
Yes the thermostat will only go in one way
Was this
answer
helpful?
Yes
No
Saturday, April 4th, 2009 AT 12:42 PM
Tiny
VCAAA5
  • MEMBER
  • 4 POSTS
I put an USA MADE THERMOSTAT IN AND IT WORKS FINE NOW. THANK YOU
Was this
answer
helpful?
Yes
No
Saturday, April 11th, 2009 AT 7:36 PM

Please login or register to post a reply.

Sponsored links