Incorrect air flow from dash vents due to damaged engine vacuum hose on Chevrolet Lumina

Air flow from the dash vents may be incorrect due to a damaged engine vacuum hose near the battery tray.
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Average mileage: 135,244 (99,000–234,669)
8 model years affected: 1990, 1991, 1992, 1993, more1994, 1997, 1998, 1999
11 people reported this problem
5 people shared problem details
1997 Chevrolet Lumina131,000
In replacing the battery, a vacuum line between the battery and strut tower was found split open. I capped off the end sucking air and the air ducts don't change when driving up hill and you lose engine vacuum.
1999 Chevrolet Lumina234,669
air won't flow out of the vents when I change from Max a/c, to bi-level and to defrost. No air blowing out but fan is running and works on all 4 speeds.
Reduced air flow thru vents ; unable to locate the vacuum line.
1997 Chevrolet Lumina115,800
When driving during the summer time I did not have air conditioning it just blew hot air through the vents. Though it blew air out, it didnt come out of the right vents and when im done driving and get out, something smells like its burning.
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