B2300 SE Regular Cab 2WD L4-2.3L VIN A (1997)
A/C Coupler Spring: Technical Service Bulletins
A/C Spring Lock Coupler - Cleaning Tips
Bulletin No.: 001/97
Issued: 01/18/97
Revised
Category
U
Applicable Model/s
1992-94 Navajo
1994-97 B-Series
Subject
A/C SPRING LOCK COUPLING CLEANING TIPS
APPLICABLE MODELS
1992 - 94 Navajo
1994-97 B-Series
DESCRIPTION
Corrosion and 0-ring residue may cause grooves on the 0-ring sealing surface of the spring lock coupling.
If leaks are found in the A/C system clean the coupling surface according to the instructions in this bulletin.
NOTE:
Service Managers are requested to place a copy of this bulletin in section G of the applicable BETM.
REPAIR PROCEDURE
1.
Recover refrigerant. Refer to section G of the BETM.
2.
Disconnect spring lock coupling. Refer to section G of the BETM.
3.
Remove old 0-rings using a plastic 0-ring tool.
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Discard 0-rings.
4.
Inspect the female coupling for:
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sealing surface scratches
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corrosion
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0-ring debris
5.
Remove any surface residue using the following procedure.
Materials Required:
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Abrasive Strip (Maroon colored 3M "Scotch Brite") pad cut into strips as shown.
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3-1/2" length of steel welding rod
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Mineral oil for R-12 systems and PAG oil for R-134a systems
