134A conversion


Old 10-21-02, 09:13 PM
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Join Date: Feb 2001
Location: United States
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134A conversion

I have a 1986 Dodge Ramcharger 318 truck and the air conditioner was changed to 134A and it want hold a charge. A dye test was done and it didn't show anything. What could it be?
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Old 10-22-02, 03:10 PM
Join Date: Dec 2001
Posts: 2,538
it could be anything dye sometimes does not show up unless it is a very significant leak, also may not show up if evaporator is leaking underdash.
Old 11-03-02, 10:31 AM
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Join Date: Jan 2001
Location: Manitoba
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It is likely that whoever converted the system did not do it correctly. A conversion of this type requires that the seals be changed and that the compressor be removed to change the oil to PAG type and replace the shaft seal. The hoses may also have to be changed depending on MFR's recommendation. If someone did all this, a leak check before installing refrigerant is standard practice.

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