My ac doesnt work properly

1997 FORD RANGER
166,898 MILES
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DANGERRANGER97
  • MEMBER
  • 1 POST
WMy 1997 Ford ranger AC is having problems I replaced the dryer pulled a vacuum and it gets cold on certain rpm and the clutch comes on and if doesn't stay on. On the high way it blows through the defrost
Jun 4, 2012 at 1:55 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check for a vacuum leak or actuator problem for where the air is directed. alos you may have a problem called freeze up, like it cools for a while then goes warm then you shut it off andit cools again. the system needs to be evacuated, pumped down and recharged . pump down should be at least 30 minutes with a freon sweep and another 15 minutes after that and it should be 28" of vacuum at least. if not that high you still have a leak someplace.
Jun 4, 2012 at 3:12 PM
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