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Sounds like you have cracked/damaged/unplugged/collasped vacuum lines. Check under the hood in and around the master cylinder area for damaged vacuum lines.
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How do you remove heater case 2003 Chevy blazer?
Open both front doors and remove everything between the firewall and the front seat :(
Will the doors from a 98 Chevy blazer fit a 2001 Chevy blazer?
Yes, the doors from a 98 Chevy Blazer will fit a 2001 Chevy Blazer with a little moderation.
Heater box removal 1999 Chevy blazer?
Open the two front doors and remove everything from the front seat to the firewall, I'm not kidding.
Will 98 Chevy Blazer doors fit 97 Chevy Blazer?
Yes.
Why doesn't the Suburban heater doors open?
Check for cracked vaccum line. Small line from engone compartment side through the firewall to the heater doors. The heater doors are controlled by vaccum.
Are 1993 Chevy Tahoe doors interchangeable with 1987 Chevy Blazer doors?
yes they are
How do you remove a heater core from a 1999 blazer?
Open both front doors and remove everything from the front seat to the firewall, no kidding. If you intend on doing this job, purchase a shop manual for the vehicle, you will need it.
WILL THE DOORS FROM A 98 S10 BLAZER INTERCHANGE WIH THE S10 PICK UP TRUCK?
Can you interchange doors from a 98 s10 blazer with a 98 s 10 pick up
What makes the blazer doors keep from closing tightly?
oil
How do you take off the doors on a 1985 blazer?
remove the door pins
What is the standard size for the speakers in the front doors of a 2000 blazer?
6.5in
In your 1997 Chevy blazer your power doors will lock but not unlock?
use a cutting torch
