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Author Topic: GT running hot  (Read 77 times)

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pgackerman

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Re: GT running hot
« Reply #15 on: September 08, 2024, 10:12:44 pm »

About a year ago.
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Red '88 GT 5-Speed, 7730ECM, 1.6 Rockers, and KEYLESS Entry! 
Now with a trailer hitch for my bike rack.
Southland Jubilee 2019 Best in Class

pgackerman

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Re: GT running hot
« Reply #16 on: September 15, 2024, 05:30:11 pm »

Bought a laser thermometer. Fan was kicking on around 190 even though my temp gauge said 220+.
Replaced the temp gauge sending unit.

Everything looks good now.

Next step, AC.  ;D


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Red '88 GT 5-Speed, 7730ECM, 1.6 Rockers, and KEYLESS Entry! 
Now with a trailer hitch for my bike rack.
Southland Jubilee 2019 Best in Class

Fierofool

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Re: GT running hot
« Reply #17 on: September 15, 2024, 07:00:26 pm »
180 is below normal operating temp. Are you using Rodney's low temp 180 parts? Check the temp on the brass part of the gauge sending unit at the corner of the trunk side head . That's where the gauge gets its reading.
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There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

pgackerman

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Re: GT running hot
« Reply #18 on: September 16, 2024, 01:07:57 pm »

Checked the sending unit with my laser, car running, and hit from 230 to 250.  Just under the thermostat housing was 190-200.
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Red '88 GT 5-Speed, 7730ECM, 1.6 Rockers, and KEYLESS Entry! 
Now with a trailer hitch for my bike rack.
Southland Jubilee 2019 Best in Class
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