A/C Service Equipment - Difficulty Connecting
NO.: 24-02-93GROUP: Air Conditioning
DATE: Feb. 8, 1993
SUBJECT:
A/C Suction/Liquid Line Service Fitting
MODELS:
1993 (AS) Caravan/Grand Caravan/Caravan CV
Voyager/Grand Voyager/Town & Country
SYMPTOM/CONDITION:
On some A/C suction/liquid lines, it may be difficult or impossible to connect the service equipment quick-connect couplings to the service fitting.
NOTE:
WHEN ATTEMPTING TO CONNECT THE SERVICE EQUIPMENT COUPLING TO THE LINE FITTING, BE SURE THE VALVE OF THE COUPLING IS FULLY CLOSED. THIS WILL DRAMATICALLY REDUCE THE AMOUNT OF EFFORT REQUIRED TO MAKE THE CONNECTION.
DIAGNOSIS:
1. Referring to Figure 1, measure from the base of the fitting to its top. The minimum dimension is 21 mm (.827 in.) and side clearance to the swage end of tube is 17.5 mm (.689 in.).
2. Referring to Figure 2, inspect the fitting for paint in the area indicated.
PARTS REQUIRED:
AR A/C Line, Suction/Liquid - 2.5L 4677130
AR A/C Line, Suction/Liquid - 3.0L 4677132
AR A/C Line, Suction/Liquid - 3.3L 4677134
AR A/C Line, Suction/Liquid - 3.0L with Dual A/C 4677137
AR A/C Line, Suction/Liquid - 3.3L with Dual A/C 4677136
AR A/C Line, Suction/Liquid - with Dual A/C and All Wheel Drive 4677296
REPAIR PROCEDURE:
This bulletin involves either cleaning paint from the A/C suction/liquid line fitting or replacing the A/C suction/liquid line.
1. If the dimensions of the fitting to the tube meet or exceed the minimums, use a wire wheel to carefully remove any paint that is on the area of the fitting indicated in Figure 2.
2. If the dimensions of the fitting to the tube do not meet or exceed the minimums, use the procedure outined in the appropriate service manual to replace the A/C suction/liquid line.
POLICY:
Information Only
TIME ALLOWANCE:
Refer to the 1993 Front Wheel Drive Time Schedule Manual for labor operation number and time allowance if it is necessary to replace the line.