Dodge R1500 1999 Service Manual page 157

Fig. 23: Temporary Pancake Filter
Courtesy of ford motor co.
GENERAL MOTORS
Information is not available from manufacturer.
JEEP
Information is not available from manufacturer.
EVACUATING A/C SYSTEM
CAUTION: DO NOT operate A/C compressor during evacuation procedure or
with vacuum applied to A/C system. Compressor may be
damaged.
CHRYSLER CORP.
Avenger 2.0L & Sebring Coupe 2.0L
1) Ensure all manifold gauge set valves are closed. Connect
manifold gauge set service valves. Connect vacuum pump adapter to
vacuum pump. Connect manifold gauge set Yellow hose to vacuum pump
adapter.
2) Fully open manifold gauge set low-pressure valve and
adapter valve, and start vacuum pump. Operate vacuum pump for about 10
minutes until low-side vacuum reading is 29.5 in. Hg or more. Turn
vacuum pump off and observe vacuum gauge.
3) If A/C system maintains specified vacuum for 5 minutes,
system is okay. If A/C system cannot get to or maintain specified
vacuum for 5 minutes, ensure connections are tight and repeat
evacuation. If A/C system still does not maintain specified vacuum,
check for defective vacuum pump or leak in A/C system or gauge set.
See LEAK TESTING. Repair or replace components as necessary.