2000 GMC Safari vacuum line

2000 GMC SAFARI
105,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SBE023
  • MEMBER
  • 4 POSTS
my vacuum line keep breaking , and i have replaced the broken section with a bit larger hose that fits over the existing vacuum line. today again the air will not come out of the air conditioning vent ,only the defrosters???
Apr 18, 2008 at 6:18 PM
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BLACKOP555
  • ✓ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
try replacing the wholevaccum assembly hose, not just cut and splice.
Apr 18, 2008 at 7:12 PM
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