2000 Chevrolet S-10 heater

JIM MORELAND

MEMBER
2000 CHEVROLET S-10
6 CYL
4WD
AUTOMATIC
181,000 MILES

When truck is moving there is heat. When stop fan works but no heat. Is it the thermostat.

Wednesday, December 31st, 2014 AT 5:51 AM

5 Replies

SATURNTECH9

MECHANIC
30,869 POSTS

I would make sure your coolant isnt freezing up and is full thats where I would start. You could also have a restricted heater core not allowing the full flow of coolant thru it.

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Wednesday, December 31st, 2014 AT 6:29 AM

JIM MORELAND

MEMBER
2 POSTS

Thank you. Suspected that. Wanted confirmation.

HAPPY NEW YEAR!

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Wednesday, December 31st, 2014 AT 6:37 AM

SATURNTECH9

MECHANIC
30,869 POSTS

If only one heater hose to the heater core is too hot to hold I would suspect a flow issue. Have you ever used radiator stop leak in the cooling system? Also happy new year to you too.

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Wednesday, December 31st, 2014 AT 12:42 PM

JIM MORELAND

MEMBER
2 POSTS

Will check the hose tonight. At these temperatures should be able to tell if they are warm or not. If they are warm will head for the peach peninsula and Old Crow. If cold will head for the peach peninsula and Old Crow.

Look out for falling bullets!

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Wednesday, December 31st, 2014 AT 1:24 PM

SATURNTECH9