Heater Valve Cable Adjustment

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

From under the hood, open the cable clamp (A), then disconnect the heater valve cable (B) from the heater valve arm (C).

Fig 1: Identifying Cable Clamp, Heater Valve Cable And Heater Valve Arm
Courtesy of AMERICAN HONDA MOTOR CO., INC.
From under the dash, disconnect the heater valve cable housing from the cable clamp (A), and disconnect the heater valve cable (B) from the air mix control linkage (C).

Fig 2: Identifying Cable Clamp, Heater Valve Cable And Air Mix Control Linkage
Courtesy of AMERICAN HONDA MOTOR CO., INC.
With the cable detached at both ends, make sure the cable moves freely with no binding. Replace the cable if it does not move freely.
Set the temperature control dial to Max Cool (Lo) with the ignition switch to ON (II).
Attach the heater valve cable to the air mix control linkage as shown in step 2. Hold the end of the heater valve cable housing against the stop (D), then snap the heater valve cable housing into the cable clamp.
NOTE: Make sure the ring-end of the cable is pushed all the way to the base of the pin on air mix control linkage.
From under the hood, turn the heater valve arm (A) to the fully closed position as shown, and hold it. Attach the heater valve cable (B) to the heater valve arm, and gently pull on the heater valve cable housing to take up any slack, then install the heater valve cable housing into the cable clamp (C).

Fig 3: Turning Heater Valve Arm
Courtesy of AMERICAN HONDA MOTOR CO., INC.