LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

running hot

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Old Apr 28, 2011 | 08:56 PM
  #1  
94Z28LS1toLT1's Avatar
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From: las vegas
running hot

hey brothers i had some problems today with my car I was driving for about 30 minutes, i parked and was waiting for my nephew as i was waiting my temp gauge just stayed at 3/4 235 degrees and the temp didnt go down i opened the hood to check if the fans were on and they were. When i left and was crusing the temp did go down,buts whenever i park or at a light the temp goes to 3/4 and just stays there. Before i Left my temp gauge didnt climb fast as if it was gonna overheat.

When i got home i opened up the bleeder screws to see if there was any air pockets no air pockets present all air out. overflow tank had hot mark so radiator was full, no leaks were present.water pump is new, radiator has been flushed a couple months ago,radiator cap is new.

the only thing is can think of is my t stat i dont remeber the last time i changed it,or i can be having a problem with the fans. May I get the information on these relays to see if the speeds are working properly which of the following controls what i.e.like speeds.Thank u alot guys

FUSE BOX & RELAY BOX
Letter J=coolant fan 3
Letter F=coolant fan 2
Letter D=coolant fan 1
Old Apr 28, 2011 | 09:14 PM
  #2  
shoebox's Avatar
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Joined: Dec 1969
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From: Little Rock, AR
Re: running hot

http://shbox.com/1/fan_schematic_1995.jpg

1 and 3 for low speed. 1, 2, and 3 for high speed.

Last edited by shoebox; Apr 28, 2011 at 09:17 PM.
Old Apr 29, 2011 | 03:42 PM
  #3  
94Z28LS1toLT1's Avatar
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From: las vegas
Re: running hot

Originally Posted by shoebox
http://shbox.com/1/fan_schematic_1995.jpg

1 and 3 for low speed. 1, 2, and 3 for high speed.
thank u cool
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