Dodge RAM 1500 1998 Owner's Manual page 2545

24 - 58 PLUMBING
A/C DISCHARGE LINE (Continued)
(7) Install plugs in, or tape over the discharge line
fitting and condenser inlet port.
(8) Remove the nut that secures the discharge line
fitting to the A/C compressor.
(9) Disconnect the discharge line from the com-
pressor.
(10) Remove the O-ring seal from the discharge
line fitting and discard.
(11) Install plugs in, or tape over the discharge
line fitting and compressor outlet port.
(12) Remove the discharge line from the engine
compartment.
(13) If necessary, remove the A/C pressure trans-
ducer from the discharge line.
Fig. 17 A/C Discharge Line - 3.7L Shown, 4.7L
1 - NUT
2 - FRONT UPPER CROSSMEMBER
3 - A/C CONDENSER
4 - NUT (2)
5 - SUCTION LINE
6 - A/C COMPRESSOR
7 - A/C PRESSURE TRANSDUCER
8 - WIRE HARNESS CONNECTOR
9 - A/C DISCHARGE LINE
INSTALLATION
INSTALLATION - 5.9L DIESEL ENGINE
(1) If removed, install the A/C pressure transducer
onto the discharge line using a new O-ring seal.
Tighten the transducer securely.
(2) Position the suction/discharge line assembly
into the engine compartment.
(3) Remove the tape or plugs from the suction line
and the accumulator outlet tube fitting.
Typical
Fig. 18 A/C Discharge Line - 5.7L Hemi Engine
1 - DISCHARGE LINE
2 - NUT
3 - CONDENSER
4 - NUT
5 - SUCTION LINE
6 - A/C COMPRESSOR
7 - NUT
8 - A/C PRESSURE TRANSDUCER
(4) Lubricate a new rubber O-ring seal with clean
refrigerant oil and install it on the accumulator out-
let tube fitting. Use only the specified O-ring as it is
made of a special material for the R-134a system.
Use only refrigerant oil of the type recommended for
the A/C compressor in the vehicle.
(5) Connect the suction line to the accumulator
outlet tube (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING/REFRIGERANT LINE COU-
PLER - INSTALLATION).
(6) Install the secondary retaining clip onto the
spring-lock coupler that secures the suction line to
the accumulator outlet tube.
(7) Remove the tape or plugs from the suction and
discharge line fittings and the compressor ports.
(8) Lubricate new rubber O-ring seals with clean
refrigerant oil and install them on the suction and
discharge line fittings. Use only the specified O-rings
as they are made of a special material for the R-134a
system. Use only refrigerant oil of the type recom-
mended for the A/C compressor in the vehicle.
(9) Connect the suction/discharge line assembly to
the compressor.
(10) Install and tighten the bolt that secures the
suction/discharge line assembly to the compressor.
Tighten the bolt to 28 N·m (20 ft. lbs.).
DR