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f150 conversion to 134 refrigerant charge

customfoam on Sun August 31, 2008 2:46 AM User is offline

Year: 1993
Make: ford
Model: f150
Engine Size: 5.8
Refrigerant Type: 134
Ambient Temp: 100

The original charge of a 93 f150 was 1lb3oz on r12 how much could it be with 134?

Chick on Sun August 31, 2008 5:43 AM User is offlineView users profile

Should be around 15 to 16 ounces, recharge to to about 85% of the R12 charge while watching the pressures, then charge slowly until the inlet and outlet of the evaporator are the same temp, outlet can be slightly colder..But should be cold right back to the compressor. Make sure clutch fan is operating properly, condenser and radiator clean.. Be sure to pull a deep vacuum before charging..Hope this helps..

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

chris142 on Sun August 31, 2008 10:25 AM User is offline

Where did you get the 1lb3oz spec? Sounds real low to me.

TRB on Sun August 31, 2008 3:28 PM User is offlineView users profile

Compressor Type Ford FX-15 10-Cyl.
Refrigerant (R-12) Capacity 44 ozs.
System Oil Capacity 7 ozs.
System Operating Pressures
High Side 128-230 psi (9-16 kg/cm2 )
Low Side 28-45 psi (2-3 kg/cm2 )

Approximate operating pressures with ambient temperature of 80°F (27°C).

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