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1999 A/C question

jtaylor

Member
Joined
Nov 9, 2006
Messages
6
Location
Texas
Corvette
1999 Coupe
New to this site but from what I can see looks like it will be a great tool for me and my recent purchase. My question is on my A/C system the blower is sending air from the vents, defroster and the floor at the same time. Should I look at vacuum leaks first or is this a common problem with a repair I need to look at? James
 

cruzer99

Well-known member
Joined
Aug 27, 2002
Messages
702
Location
Granite Falls, N.C. USA
Corvette
99 Navy Blue Pearl Vert. NCRS Member
Check for codes first. Sounds like the vent doors are not working as they should, they are vacuum activated. Most common reason would be pinched, cracked, loose, or nor connected. Your error code will tell you if the doors are working. You will also want to check the drain pipe for the AC. It is a small 1/4 in elbow sticking out of the firewall pointing down on the passenger side below the battery box. If the passenger side carpet gets damp then it's pluged (very common). Another indicator is after running the AC on a hot day (what else), there is no water dripping (condensation), from the passenger side firewall after shuting the car off.

I had a similar problem and found a pinched line under the battery.

:beer :w
 

jtaylor

Member
Joined
Nov 9, 2006
Messages
6
Location
Texas
Corvette
1999 Coupe
Thanks for the fast response. I will check those items and let you know. James
 

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