1998 Ford Ranger a/c cold 70% of the Time

130,000 MILES • 6 CYL • 2WD • MANUAL
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JDZUPAN
  • MEMBER
  • 8 POSTS
When I start the truck my a/c blows cold then when I start crusing the a/c will blow hot.
Then I slow down and it blows cold.
Does any one know the proper high side low side pressures for a normal working a/c?
What should your high and low side read at 100 degrees?
Aug 29, 2009 at 2:42 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Hi Low side 35 psi high 210psi is about where it should run. Is compressor cutting out?
Hope this helps
Thanks for donate
Aug 29, 2009 at 8:45 AM
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