Question about Cars & Trucks
Just bought a 1967 ford ltd with a 390 engine. The heater/air conditioner switch will not change from one to the other.
More than likely the AC system has no refrigerant charge in it. have it checked for proper pressures by a local shop. If it is low fix the source of the leak and then you will need to convert it to R134 from the R!2 used in the system, R12 is longer made worldwide because it destroys the Ozone layer in the earths atmosphere.
Posted on Nov 01, 2012
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Posted on Jan 02, 2017
the heater bypass is quite simple, if you look at the firewall you will see two medium sized coolant lines, remove them from the firewall and link them together using a proper sized tube, you can purchase a kit at a parts store quite cheaply
Posted on Oct 11, 2008
I found a couple pictures; I wasn't sure of your engine size or if you needed the rear heater aplication so I picked the most common ones & attached them.
Good luck; Hope this helps
Posted on Mar 18, 2009
The low side port is located on the right side of the vehicle on the line going to the a/c receiver dryer. Thankyou please rate this answer RJ
Posted on May 30, 2010
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