Dodge R1500 1999 Service Manual page 153

"U" Series ............
(1) - In evaporator (liquid) inlet line, between service valves, above
accumulator.
(2) - Cutlass and Malibu only.
(3) - In evaporator (liquid) inlet line, between high-side service
valve and evaporator.
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JEEP
NOTE: On Cherokee and Grand Cherokee, fixed orifice tube is located
in the liquid line. If the fixed orifice tube is faulty or
plugged, the liquid line and orifice tube must be replaced as
an assembly.
Removal & Installation (Cherokee & Grand Cherokee)
Disconnect battery negative cable. Discharge A/C system,
using approved refrigerant recovery/recycling equipment. Disconnect
liquid line retaining clips. Disconnect liquid line from evaporator
inlet and condenser outlet tubes. Cover open refrigerant fittings to
protect from moisture and dirt. Remove liquid line and orifice tube.
To install, reverse removal procedure. Evacuate, charge, and leak test
A/C system. Ensure A/C system operates properly.
Removal & Installation (Wrangler)
1) Disconnect battery negative cable. Discharge A/C system,
using approved refrigerant recovery/recycling equipment. Disconnect
liquid line at condenser outlet tube. Cover open refrigerant fittings
to protect from moisture and dirt.
2) Using needle nose pliers, remove fixed orifice tube from
condenser outlet tube. Note fixed orifice tube orientation for correct
installation. To install, reverse removal procedure. Ensure fixed
orifice tube is positioned correctly. Evacuate, charge, and leak test
A/C system. Ensure A/C system operates properly.
REFRIGERANT RECOVERY/RECYCLING
Refrigerant recovery/recycling equipment is used to remove
refrigerant from vehicle's A/C system without polluting atmosphere. To
remove and recycle refrigerant, ALWAYS follow instructions provided
with the refrigerant recovery/recycling equipment being used.
The removed refrigerant is filtered, dried and stored in a
tank within the recovery/recycling equipment until it is ready to be
pumped back into the vehicle's A/C system.
NOTE: Separate sets of hoses, manifold gauge set and refrigerant
recovery/recycling equipment MUST be used for R-12 and R-134a
systems. DO NOT mix R-12 and R-134a refrigerants, as their
refrigerant oils and desiccants are NOT compatible.
CHRYSLER CORP.
Manufacturer recommends using refrigerant recovery/recycling
equipment which meets SAE standard J1991 or J2210. Always follow
instructions provided with the recovery/recycling equipment being
used.
FORD MOTOR CO.
1) Connect hoses from Recovery/Recycling/Charging Center
(023-00150) to high-side and low-side service valves. See SERVICE
Condenser Outlet ................... N/A