2007 Commander XK Factory Service Manual 24 - HEATING & AIR CONDITIONING

SPECIFICATIONS

A/C SYSTEM


Item
 
Description
 
Notes
 
A/C Compressor
 
Denso 10S17
 
ND-8 PAG oil
 
Freeze–up Control
 
Evaporator Temperature Sensor
 
HVAC housing mounted (front)
 
Low psi Control
 
A/C Pressure Transducer
 
A/C Discharge line mounted - opens below 110 kPa (16 psi), closes above 221kPa (32 psi)
 
High psi Control
 
A/C Pressure Transducer
 
A/C Discharge line mounted - opens above 3219 kPa (476 psi), closed below 2937 kPa (426 psi)
 
R-134a Refrigerant Charge Capacity
 
Single Unit 0.68 kg (1.5 lbs.)
Dual Unit 0.963 kg (2.125 lbs.)
 
Also see A/C Underhood Specification Label located in the engine compartment
 
A/C Clutch Coil Draw
 
3.3 amps
 
@ 12V ± 0.5V @ 21° C (70° F)
 
A/C Clutch Coil Resistance
 
3.6 ± 0.2 ohms
 
When measured across coil lead connector
 
A/C Clutch Air Gap
 
0.35 - 0.60 mm (0.014 - 0.024 in.)
 
 

TORQUE


Description
 
N·m
 
Ft. Lbs.
 
In. Lbs.
 
All Screws NOT Listed Below
 
2
 

 
17
 
A/C Compressor to 3.7L/4.7L Engine Bolt (#3)
 
40
 
30
 

 
A/C Compressor to 3.7L/4.7L Engine Bolts (except #3)
 
55
 
41
 

 
A/C Compressor to 5.7L Engine Bolts
 
55
 
41
 

 
A/C Condenser to Radiator Bolts
 
5
 

 
44
 
Compressor Shaft Bolt
 
19
 

 
168
 
Front A/C Expansion Valve to Evaporator Tube Tapping Block Bolts
 
11
 

 
97
 
Front Air Distribution Housing Halves Screws
 
2.2
 

 
20
 
Front Air Distribution Housing to HVAC Housing Screws
 
2.2
 

 
20
 
Front Blower Motor Screws
 
2.2
 

 
20
 
Front HVAC Housing Halves Screws
 
2.2
 

 
20
 
Front HVAC Housing to Dash Panel Bolts/Nut
 
7
 

 
62
 
Front Heater Core and Tube Cover to HVAC Housing Screws
 
2.2
 

 
20
 
Front Heater Core Tubes to Heater Core Bolt
 
3
 

 
27
 
Front Heater Core Tube Retaining Bracket to HVAC Housing Screw
 
2.2
 

 
20
 
Liquid Line Extension Tube to Underbody Liquid Line Nut
 
20
 
15
 

 
Rear A/C Expansion Valve to Rear Evaporator Tube Tapping Block Bolts
 
11
 

 
97
 
Rear HVAC Housing to Rear Quarter Panel Nut and Bolt
 
3
 

 
27
 
Refrigerant Lines to Front A/C Expansion Valve Nut
 
23
 
17
 

 
Refrigerant Lines to A/C Compressor Nuts
 
20
 
15
 

 
Refrigerant Lines to A/C Condenser Nuts
 
20
 
15
 

 
Refrigerant Line to Receiver/drier Nut
 
20
 
15
 

 
Receiver/drier to Radiator/fan Shroud Screw
 
5
 

 
44
 
Suction Line Extension Tube to Underbody Suction Line Nut
 
20
 
15
 

 
Underbody Refrigerant Lines to Rear A/C Expansion Valve Nut
 
23
 
17