Question about 2001 Chevrolet S-10

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2000 S-10 no heat from the heater

2 different things.

1. I get warm air not hot like it should be. The fluid level is where it should be. I have changed the thermostat 2 or 3 times, 195's and not the cheap ones.

2. I get what heat there is out of the vent setting, but when I change it to the floor I get nothing.

What controls the damper and where is it located?

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  • schmic00 Jan 18, 2009

    I had a similar problem with my 2001 s10 6 cyl crew cab. I took it into a

    repair center, they charged me $100 and sent me on my way. Got home,

    3 blocks. Took the truck out next day, 60 mile trip, no heat, well, slightly

    warm but cold. Took it back, they ran some stuff thru the radiator to remove built up minerals in the radiator itself, fixed the problem.

  • knapp515 Jan 24, 2009

    2000 S-10 4.3. The heat is fine until the thermostat opens and then it is cool. The heat guage then goes up to almost the red zone before falling back, but the heat is still cool.

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There is a cable linking the controls on your dash with the damper under your dash on the passeanger side, u may be able to trace it visually to the damper to check its operation, when u found the lever it connects to, try to operate it from there and recheck. The temp. of the air coming out of your vent is influenced by your coolant temp, so check that you are getting to proper coolant temp. and verify that the heater hoses going into the firewall in the engine compartment are both hot when u have the heat on, engine running to check for proper circulation through your heater core.

Posted on Jan 19, 2009

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