2001 DODGE RAM Service Repair Manual

Page 2737 of 2889

DODGE RAM 2001  Service Repair Manual SPECIFICATIONS
A/C APPLICATION TABLE
Item Description Notes
Vehicle BR/BE - Ram Pickup
System R134a w/orifice tube
Compressor Sanden SD7H15 SP-20 PAG
oil
Freeze±up
ControlA/C Low Pressure
Switchaccum

Page 2738 of 2889

DODGE RAM 2001  Service Repair Manual CONTROLS
TABLE OF CONTENTS
page page
CONTROLS
DIAGNOSIS AND TESTING.................10
VACUUM SYSTEM......................10
A/C COMPRESSOR CLUTCH
DESCRIPTION...........................13
OPERATION...

Page 2739 of 2889

DODGE RAM 2001  Service Repair Manual CONTROLS
DIAGNOSIS AND TESTING - VACUUM SYSTEM
Vacuum control is used to operate the mode doors
in the heater-only and HVAC housings. Testing of the
heater-only and a/c heater mode control switch oper

Page 2740 of 2889

DODGE RAM 2001  Service Repair Manual LOCATING VACUUM LEAKS
WARNING: ON VEHICLES EQUIPPED WITH AIR-
BAGS, DISABLE THE AIRBAG SYSTEM BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING
COLUMN, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE.

Page 2741 of 2889

DODGE RAM 2001  Service Repair Manual Fig. 3 VACUUM CIRCUITS
24 - 12 CONTROLSBR/BE
CONTROLS (Continued)

Page 2742 of 2889

DODGE RAM 2001  Service Repair Manual A/C COMPRESSOR CLUTCH
DESCRIPTION
The compressor clutch assembly consists of a sta-
tionary electromagnetic coil, a hub bearing and pul-
ley assembly, and a clutch plate (Fig. 4). The
electromagnetic

Page 2743 of 2889

DODGE RAM 2001  Service Repair Manual the opposing friction surfaces and provide a higher
compressor clutch torque capability.
REMOVAL
The refrigerant system can remain fully-charged
during compressor clutch, pulley, or coil replacement.

Page 2744 of 2889

DODGE RAM 2001  Service Repair Manual Fig. 8 SHAFT PROTECTOR AND PULLER
1 - PULLER SHAFT PROTECTOR
2-JAWS
Fig. 9 INSTALL PULLER PLATE
1 - BOLT
2 - PULLER PLATE AND BOLT
3 - BOLT
4-JAWS
Fig. 10 CLUTCH COIL LEAD WIRE HARNESS
1 - CLIP
Fig. 1