Air conditioning blows hot on driver's side

Tiny
MR BUTCH
  • MEMBER
  • 1999 BUICK PARK AVENUE
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Hot air driver's side and cold on passenger side.
Friday, May 18th, 2018 AT 5:34 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

Most of the time it is the blend door motor that is the failure.

The dashboard has to be removed to gain access to the actuator. Are you going to attempt this yourself?

Roy

Removal prodedure:

1. Remove the instrument panel assembly.
2. Remove the driver air mix actuator.
3. Remove the mode actuator retaining screws (1).
4. Remove the mode actuator assembly.

Installation procedure:

1. Align the mode valve levers with the cam slots.
2. Install the mode actuator assembly.

Note: Refer to Fastener Notice in Cautions and Notices.

3. Install the mode actuator retaining screws.

Tighten
Tighten the screws to 1.4 N.M (12 lb in).

4. Install the driver air mix actuator.
5. Install the instrument panel assembly.
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Friday, May 18th, 2018 AT 1:01 PM

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