ACC CONTROLLER REPLACEMENT (MANUAL ACC)

Special Thanks to Fred Frigo for the contribution of most of this information. It is guys like Fred that help keep our Saabs rolling along. Kudos to Fred!

It may be necessary to replace the manual climate control assembly. Replacement is necessary if the cabin air fan randomly stops or if there is difficulty in setting the fan speed. If replacement is warranted, the entire in-dash assembly for control of heating and cooling can be replaced. This assembly is Saab Part Number 5174685.

To replace the manual climate control assembly, remove the passenger side access panel to the dash as shown below. Also, remove the control knobs from the manual climate control system. Make note of the control knob positions before removing them to make it easier to re-install.

Find the white plastic air-flow control shaft, then slide the shaft back to disconnect it from the dash control assembly.

The manual climate control assembly snaps into the dash with 2 top and 2 bottom plastic tabs. Gently pry these tabs in to remove the manual climate control assembly from the dash. In the back of the manual climate control assembly, a fastener holds the black cable that controls the heat level in place. This can be snapped out of place using a screw driver as shown below.

Unlock, and then remove the cables as shown below:

Once all the electrical cables have been removed, the black cable that controls the heat level can be twisted gently to unhook it from the manual climate control assembly, allowing the old manual climate control assembly to be removed completely from the dash as shown below.

Slide the black heater level control cable onto the new manual climate control assembly.

Re-connect the electrical cables

Re-install the control knobs, then reconnect the cabin air-flow control shaft in the back of the dash to complete the installation. Note, it is helpful to set the air flow position to the same setting as when the old system was removed to facilitate re-installation of the air-flow control shaft.