how cold should my air out of vents be on a hundred degree day

1998 AMC
702,029 MILES
Avatar
DSMALLEY
  • MEMBER
  • 2 POSTS
ac on high pulp therm at 78 degrees this is accually a mack truck but its not on the list
Jul 6, 2012 at 3:01 PM
Advertisement
Avatar
WRENCHTECH
  • CAR REPAIR CONTRIBUTOR
  • 20,761 POSTS
There are many variables for that. A general rule of thumb is that it should be capable of dropping ambient temp by about 25 degrees at the center vent but even that will depend on blower speed, recirculation and air flow across the condenser at the time.
Jul 6, 2012 at 4:05 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.