Question about Cars & Trucks
Passenger and driver actuators seem to be working fine.Both are blowing about the same temp, and when i switch them to hot it gets real hot. Expansion valve?
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Posted on Jan 02, 2017
you need to change drivers side temp door actuator then disconnect battery for 5 seconds and reconnect after changing the part, turn key on for 60 seconds with touching heater control to allow actuator to program and then it will work.
Posted on Sep 19, 2009
There is a service bulletin for poor rear heat on these models.The bulletin number is 05-01-37-002A.The part numbers are 89024885 for 4.2 engine and 89024886 for the v8 engine.It is an auxiliary pump the helps the coolant flow to the rear.The a/c system has to be recovered so I don`t think you can do this at home unless you have an a/c recovery machine.Hope this helps.Good luck.
Posted on Feb 22, 2010
The problem may just be with the evaporator unit found at the passenger cabin. At times you may just need some cleaning to get it working.
Posted on Jun 06, 2011
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