1. REMOVE COMPONENTS FROM VEHICLE
(b) Center cluster
2. CHECK AIR MIX DAMPER
(a) Disconnect the rod from the clamp.
(b) Disconnect the No. 4 vacuum hose between the DVV and vacuum motor in the power servo unit to release the vacuum pressure in the vacuum motor.
The stem of the power servo extends fully to the maximum cooling position.
(c) Position the damper to maximum cooling and connect the rod to the clamp.
(d) Using a commercial vacuum pump, apply 250 mmHg (9.84 in.Hg, 33.3 kPa) of vacuum to the vacuum motor and verify that the damper moves to the maximum heating position.
3. REINSTALL REMOVED PARTS IN REVERSE ORDER
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