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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

AC conversion

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Old Oct 29, 2016 | 07:23 PM
  #1  
acs4runner's Avatar
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Smile AC conversion

ok so my 4runner is running the original r12 in the ac system and now its starting to blow warm. im thinking of doing the conversion to r134a but what do i need? from what i have read i just need the fittings that screw onto the high and low side of the current system in the car?
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Old Oct 30, 2016 | 12:31 AM
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From: I live in New Tripoli Pa out in the woods
Red face

You also need the orings for the system

A new dryer

The system vacuumed out the R-12 and R-134a don`t play well together

I am sure I am missing something

Then if your AC is not working you also need to figure out why
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Old Oct 30, 2016 | 07:04 AM
  #3  
scope103's Avatar
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From: San Francisco East Bay
This may have something that will help:
https://www.yotatech.com/forums/f116...-r134a-284801/

As wyoming9 says, you need to find out why your system isn't working; just converting it won't make it work.
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