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Will not warm up to above

Tiny
MIKE COLE
  • MEMBER
  • 1994 CHEVROLET SILVERADO
  • 120,000 MILES
I have a 94 chevy c1500 pickup with a 350 motor and automatic. The pickup will not warm up to above 130F. The following are the step that I have already taken.

Flushed coolant.
Checked Fan
Looked for leaks
Wednesday, January 18th, 2012 AT 2:38 AM

7 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
This is according to gauge?
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Wednesday, January 18th, 2012 AT 2:45 AM
Tiny
MIKE COLE
  • MEMBER
  • 3 POSTS
The readings came from both my gauge and an IR heat gun
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Thursday, January 19th, 2012 AT 1:48 AM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Does it have a thermostat in it?Does it have coolant or water in it?
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Saturday, January 21st, 2012 AT 11:16 PM
Tiny
MIKE COLE
  • MEMBER
  • 3 POSTS
It has had 3 195 deg thermostats in it, it is presently running a 180 deg thermostat. I am running 50/50 mix coolant.
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Sunday, January 22nd, 2012 AT 5:13 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
When did this problem start, did you buy it that way?
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Sunday, January 22nd, 2012 AT 5:44 AM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Have you tried a coolant flush?This application doesn't have an electric fan right? It is mechanical only attached to the water pump isn't it?
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Sunday, January 22nd, 2012 AT 10:34 PM
Tiny
MIKE COLE
  • MEMBER
  • 3 POSTS
I have had the pickup for about 4 years and the problem did not start until last year about this time. I have flushed the system out about 4 times. The last time that I did it was with straight water, directing the water from the heater core and from the top of the motor. One thing I did notice with all my hoses off, I could water up to the top of the motor but I could not get it to over flow unless I plugged bottom of the water pump. The fan is on the water pump and is not froze up.
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Monday, January 23rd, 2012 AT 1:41 AM

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