Question about 2002 Chevrolet Tahoe

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I have a 2005 Tahoe z71. When the AC is on, the fan in the front does not blow. (nor does the defrost) The one in the rear does. What can I do to fix this

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  • stanbro3 May 07, 2010

    I dont think that is the problem. I think it my be a resistor for the blower motor. The fan does not blow all the time and sometimes it stays running after the truck is off. Wha tdo you think?

  • stanbro3 May 07, 2010

    fggdfgsdfg

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The fan moter has a resister that is replacable. I would replace this before getting in too deep with expensive diagnostics.

Posted on May 07, 2010

  • Susan Price May 07, 2010

    the intermittant issue your having always points the the blower resister especially if some of the speeds fail. Like it may blow fast and not slow or visa versa.

  • Susan Price May 07, 2010

    Please rate me as #1 if you choose my advise.

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Hi


Thanks for using FixYa. The a/c and heating systems on cars today are pretty complex. 10 years ago replacing the thermostat usually did the trick, but today there are electric motors that operate the "blend doors" inside the dash…directing air flow from the heater core and A/C evaporator core to the cab of the vehicle. Always start by checking the actual coolant level inside the radiator itself to make sure it is full. Then feel the upper and lower radiator hoses to see if they are hot (when the engine has been running awhile and has reached normal operating temperature), then feel the two heater hoses leading into the cab of the vehicle to see if they are both hot as well. If you feel a drastic difference in one of the radiator hoses, replace the thermostat. If all the heater and radiator hoses are pretty much the same temperature I would suspect there is a control problem in the dash controls or in the blend door operation and a visit to dealer or a qualified mechanic is vital. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on May 06, 2010

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