Mechanics

HEAT

2004 Chevrolet Impala • 6 cylinder 2WD Automatic • 180,000 miles

I have a 2004 impala with dual temperture control, my heat only works on passanger side!
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Alvinojuarez@yahoo.com
December 4, 2010.




Dual Zone
two blend doors and two actuators
suspect and check blend door actuator


BMRFIXIT
Dec 4, 2010.
How do I get to them?
AD


Air Temperature Actuator Replacement - Left
Removal Procedure
Remove the left instrument panel (I/P) insulator.
Remove the knee bolster bracket bracket.
.
Disconnect the electrical connector from the left air temperature actuator.
Remove the mounting screws from the left air temperature actuator.
Remove the left air temperature actuator.

Installation Procedure
Position the left air temperature actuator. Align the slots in the electric actuator driver to the flats on the shaft.
Align the locating hole to the alignment pin on the HVAC module case.
Slide the actuator on the shaft. The actuator driver should seat completely onto the shaft and the mounting holes should be flush with the mounting screws on the HVAC module case.

Install the mounting screws to the left air temperature actuator.
Tighten: Tighten the screws to 1.5 N.M (13 lb in).

Connect the electrical connector to the left air temperature actuator.
Install the knee bolster bracket bracket. Refer to Knee Bolster Bracket Replacement - Left or to Knee Bolster Bracket Replacement - Right in Instrument Panel, Gages, and Console.
Install the left I/P insulator. Refer to Closeout/Insulator Panel Replacement - Left in Instrument Panel, Gages, and Console.
Calibrate the actuator. Refer to Re-Calibrating Actuators in HVAC Systems - Manual


BMRFIXIT
Dec 4, 2010.

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