heat

180,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
ALVINOJUAREZ
  • MEMBER
  • 2 POSTS
I have a 2004 impala with dual temperture control, my heat only works on passanger side!
Dec 4, 2010 at 10:22 AM
Avatar
BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
Dual Zone
two blend doors and two actuators
suspect and check blend door actuator
Dec 4, 2010 at 1:16 PM
Avatar
ALVINOJUAREZ
  • MEMBER
  • 2 POSTS
How do I get to them?
Dec 4, 2010 at 1:25 PM
Avatar
BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
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
Dec 4, 2010 at 1:37 PM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle