2001 DODGE RAM Service Repair Manual

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DODGE RAM 2001  Service Repair Manual

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DODGE RAM 2001  Service Repair Manual HEATING & AIR CONDITIONING
TABLE OF CONTENTS
page page
HEATING & AIR CONDITIONING
DESCRIPTION............................1
OPERATION.............................1
DIAGNOSIS AND TESTING................

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DODGE RAM 2001  Service Repair Manual heated air. This air conditioning system uses a fixed ori-
fice tube in the middle of the liquid line to meter refrig-
erant flow to the evaporator coil. To maintain minimum
evaporator temperature and

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DODGE RAM 2001  Service Repair Manual (7)With the compressor clutch engaged, record the
panel outlet discharge air temperature, the discharge
pressure (high side), and the suction pressure (low side).
(8) Compare the panel outlet discharg

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DODGE RAM 2001  Service Repair Manual A/C Diagnosis
Condition Possible Causes Correction
3. Faulty a/c compressor
clutch coil.3. (Refer to Controls/A/C Compressor Clutch Coil/
Diagnosis and Testing) in this group. Test the compressor
clut

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DODGE RAM 2001  Service Repair Manual A/C Diagnosis
Condition Possible Causes Correction
LOW SIDE PRESSURE
IS NORMAL OR
SLIGHTLY HIGH, AND
HIGH SIDE PRESSURE
IS TOO HIGH.1. Condenser air flow
restricted.1. Check the condenser for damaged

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DODGE RAM 2001  Service Repair Manual DIAGNOSIS AND TESTING - HEATER
PERFORMANCE
Before performing the following tests, refer to Cool-
ing for the procedures to check the engine coolant
level and flow, engine coolant reserve/recovery sys-

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DODGE RAM 2001  Service Repair Manual Heater Diagnosis
CONDITION POSSIBLE CAUSE CORRECTION
INSUFFICIENT HEATER
OUTPUT.1. Incorrect engine
coolant level.1. Check the engine coolant level. Refer to Cooling for
the procedures.
2. Air trapped