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Gary, ASE Certified Technician
Category: GMC
Satisfied Customers: 16766
Experience:  GCM master tech over 25 years
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GM Yukon SLT: I have a 2001 Yukon SLT. Air blows cold in the

Customer Question

I have a 2001 Yukon SLT. Air blows cold in the front but a little warm in the back
Submitted: 1 year ago.
Category: GMC
Expert:  Gary replied 1 year ago.
I am sorry for the long waithas anything been done yet to correct this problem ?did this problem start out of the blue on day ?
Customer: replied 1 year ago.
It just started out the blue. I checked both the actuators in the rear for the hot & cold as well as the floor & ceiling actuators both seemed to working fine
Expert:  Gary replied 1 year ago.
when it is doing this if you remove the rear temp actuator and turn the door by hand will it still be warm in just the rear ?
Customer: replied 1 year ago.
No i have not tried it using my hand
Expert:  Gary replied 1 year ago.
can you see if by hand if t gets colder or will it not get any colder by hand ?
Customer: replied 1 year ago.
Ok i'll check tommorow
Expert:  Gary replied 1 year ago.
sounds good
Customer: replied 1 year ago.
I checked it by hand its still doing the same thing
Expert:  Gary replied 1 year ago.
if you turn it by hand and it is still warm then the R134 may be low and have it checked and be sure it is perfectly full ?