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It's a 2002 GNC Denali that won't change from defrost to the

Customer Question
others, I think it's the...
It's a 2002 GNC Denali that won't change from defrost to the others, I think it's the vacuum line does that sound right?
JA: What is the model of your '02 Chevy?
Customer: Denali maybe xl?
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: I'm planning on it, nothing just looking it up and it seems like that era of models have had this before and is common after so long
JA: Anything else you want the mechanic to know before I connect you?
Customer: Just that it's stuck on defrost even when I change the switch around I gueas
Submitted: 24 days ago.Category: Chevy
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Answered in 5 minutes by:
11/18/2017
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago
david craig
david craig, Auto Mechanic
Category: Chevy
Satisfied Customers: 4,168
Experience: owner/mechanic at 3D Automotive
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Hi my name is ***** ***** I'll be more than happy to assist you. Please allow me a few minutes to review your information. Thank you

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Customer reply replied 24 days ago
No prob
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

auto climate control or manual climate control?

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Customer reply replied 24 days ago
It has an auto selection and the rest of the dials are manual so both.
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

ok

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Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

we're going to try an actuator recalibration

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Customer reply replied 24 days ago
I saw a video showing if the vacuum line breaks or cracks it's defaults to only defrost mode? I don't know where to find the vacuum line either too
Customer reply replied 24 days ago
How does that work? Can we take off the call me prompt?
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

ill get you the procedure

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Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

I have no control over any pop ups

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Customer reply replied 24 days ago
No sweat. So the actuator does the same thing as the vacuum line problem?
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

ill get you the fuse location

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Customer reply replied 24 days ago
What's a scan tool and can it be more detailed. Im not very car savvy
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

dont worry about the scan tool part.

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Customer reply replied 24 days ago
I'm gonna end up just pulling a fuse out when the car is off and turning the car on and waiting a minute and plugging it back in?
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

follow the procedure step by step. yes

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Customer reply replied 24 days ago
do what I just said, and no scan tool needed.
Customer reply replied 24 days ago
Where is the fuse box?
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

inside

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Customer reply replied 24 days ago
Right inside the front passenger door on the side of the dashboard ?
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

yes

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Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

i may be behind the kick panel on yours

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Customer reply replied 24 days ago
I'll have to wait to try it tomorrow it is snowing, how do I get ahold of you tomorrow if that didn't work? What are the back up options?
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

you can get me right here. if that doesn't work we will proceed further. just let me know

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Customer reply replied 24 days ago
Ok, do I need to write a reference code down or anything?
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

I have no idea. customers just get back to me right here.

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Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

Ill keep this open

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Customer reply replied 24 days ago
Cool thanks man
Chevy Mechanic: david craig, Auto Mechanic replied 24 days ago

you bet

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Chevy Mechanic: david craig, Auto Mechanic replied 21 days ago

hows it going?

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Chevy Mechanic: david craig, Auto Mechanic replied 19 days ago

do you still need assistance?

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