2007 Wrangler JK Factory Service Manual 24 - HEATING & AIR CONDITIONING

SPECIFICATIONS

A/C SYSTEM


Item
 
Description
 
Notes
 
A/C Compressor
 
Zexel DKS-17DS
 
ZXL-100 PAG Oil
 
Freeze-up Control
 
Evaporator Temperature Sensor
 
HVAC housing mounted - input to powertrain control module (PCM) or engine control module (ECM), depending on engine application
 
Low PSI Control
 
A/C Pressure Transducer
 
A/C discharge line mounted - input to powertrain control module (PCM) or engine control module (ECM), depending on engine application - PCM/ECM disengages compressor clutch below 0.451 volts
 
High PSI Control
 
A/C Pressure Transducer
 
A/C discharge line mounted - input to powertrain control module (PCM) or engine control module (ECM), depending on engine application - PCM/ECM disengages compressor clutch above 4.519 volts
 
High Pressure Relief Valve
 
A/C Compressor mounted - opens at a discharge pressure over 3430 - 3930 kPa (497 - 570 psi)
 
 
R-134a Refrigerant Charge Capacity
 
0.51 kg (1.125 lbs).
 
Also see A/C Underhood Specification Label located in the engine compartment
 
A/C Clutch Coil Draw
 
3.3 amps
 
@ 12V ± 0.5V @ 25° C (77° F)
 
A/C Clutch Coil Resistance
 
4.2 ± 0.2 ohms
 
When measured across coil lead connector @ 25° C (77° F)
 
A/C Clutch Air Gap
 
0.30 - 0.60 mm (0.012 - 0.024 in.)
 
 

TORQUE


Description
 
N·m
 
Ft. Lbs.
 
In. Lbs.
 
All Screws NOT Listed Below
 
1.2
 

 
10
 
A/C Compressor Bolts
 
28
 
21
 

 
A/C Compressor Clutch Field Coil Screws
 
5
 

 
44
 
A/C Compressor Shaft Bolt
 
20
 

 
177
 
A/C Compressor Field Coil Connector Bracket Screw
 
4.3
 

 
38
 
A/C Condenser to Radiator Bolts
 
5
 

 
45
 
A/C Heater Control Screws
 
2
 

 
17
 
Air Inlet Housing to Instrument Panel Support Bolts
 
4
 

 
35
 
Blend Door Lever Screw
 
0.6
 

 
5
 
Discharge Line to Condenser Nut
 
23
 
17
 

 
Discharge Line to Compressor Nut
 
23
 
17
 

 
Expansion Valve Bolts
 
11
 

 
97
 
HVAC Housing to Instrument Panel Support Bolts
 
4
 

 
35
 
Liquid Line to Condenser Nut
 
23
 
17
 

 
Mode Door Cam Screw
 
0.6
 

 
5
 
Receiver/Drier to Condenser Bolt
 
22
 
16
 

 
Suction Line to Compressor Nut
 
23
 
17
 

 
Suction and Liquid Lines to Expansion Valve Nut
 
8
 

 
70