89 chevy silverado, 2wd ext cab. overheats, w/ no heat inside.?

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dickey_36

Guest
I can hear water running underneath the passenger side dash and up to a week ago I had heat and the temp gauge worked fine. Yesterday the radiator was bone dry as well as the reserve and I have had no heat for about four days now. dont know werther its the thermostat or the heater core? any suggestions?
 

caveman

Rookie
Themostat problem? maybe a problem with hises leak?! (empty radiator problem) maybe water pump? maybe just a sensor problem...
 

verdi3453

New Member
The water is definitely going somewhere. You will have to look to see.
Could be a leaking heater core. Do you have a waxy film on the windshield inside of the truck? Then the core is leaking.
 
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