Dodge RAM 1500 1998 Owner's Manual page 2494

DR
HEATING & AIR CONDITIONING (Continued)
• Faulty A/C-heater control.
• Faulty related wiring harness or connectors.
• Improper engine coolant temperature.
SPECIFICATIONS - A/C SYSTEM
The R-134a refrigerant system charge capacity for
this vehicle can be found on the underhood Specifica-
tion Label.
Description
A/C Compressor Shaft Nut
A/C Compressor Bolt-Inner
Front-3.7L,4.7L
A/C Compressor Bolt-Inner
Rear-3.7L,4.7L
A/C Compressor Rear Bolt-
3.7L,4.7L
A/C Compressor Lower Bolts-5.7L
A/C Compressor Rear Bolt-5.7L
A/C Compressor Bolts-5.9L Diesel
A/C Compressor Clutch Coil Wire
Retainer Screw
A/C-Heater Control Screws
Accumulator Bracket Bolts
Blower Motor Screws
Blower Motor Resistor Block
Screws
Center Distribution Duct Screws
Item
Compressor
Freeze–up
Control
High psi Control
Compressor
Clutch Coil
Draw
Compressor
Clutch Air Gap
TORQUE SPECIFICATIONS
N·m
15-20
40
55
55
40
55
24
2.2
2.2
4.5
2.2
2.2
2.2
HEATING & AIR CONDITIONING
A/C SYSTEM SPECIFICATION CHART
Description
Saden SD-7
(5.9L engine)
Denso 10S17
(3.7L/4.7L/5.7L
engines)
Evaporator
Temperature
Sensor
A/C pressure
transducer
2 - 3.9 amps @
12V ± 0.5V @
21° C (70° F)
2.2 amps @
12V ± 0.5V @
21° C (70° F)
0.41 - 0.79 mm
(0.016 - 0.031
in.)
0.35 - 0.65 mm
(0.013 - 0.025
in.)
Ft. Lbs.
11-15
30
41
41
30
41
17
–
–
–
–
–
–
24 - 7
Notes
SP-15 PAG oil
ND-8 PAG oil
Evaporator coil
mounted
Discharge line
mounted
5.9L engine
3.7L/4.7L/5.7L
engines
5.9L engine
3.7L/4.7L/5.7L
engines
In. Lbs.
–
–
–
–
–
–
–
20
20
40
20
20
20