2007 Compass Patriot MK Factory Service Manual 24 - HEATING & AIR CONDITIONING

SPECIFICATIONS

A/C SYSTEM


Item
 
Description
 
Notes
 
A/C Compressor
 
Denso 5SE12C
 
ND-8 PAG oil
 
Freeze-up Control
 
Evaporator temperature sensor
 
Input to A/C-heater control, HVAC housing mounted, sets compressor to destroke 2° C (36° F) below evaporator target temperature (minimum 5° C (41° F)) and activates compressor when within 1° C (34° F) of evaporator target temperature
 
Low psi Control
 
A/C pressure transducer
 
Input to PCM/ECM, discharge line mounted, sets compressor to destroke below 200 kPa (29 psi), activates compressor above 234 -262 kPa (34 - 38 psi)
 
High psi Control
 
A/C pressure transducer
 
Input to PCM/ECM, discharge line mounted - compressor to destroke above 3130 kPa (454 psi) and below 200 kPa (29 psi)
 
R-134a Refrigerant Charge Capacity
 
0.51 kg (1.125 lbs.)
 
Also see A/C Underhood Specification Label located in the engine compartment
 

TORQUE


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

 
17
 
A/C Accumulator Bracket Bolts
 
15
 
11
 

 
A/C Accumulator Retaining Band Bolt
 
8
 

 
71
 
A/C Compressor to Engine Bolts
 
25
 
18
 

 
Air Distribution Housing Halves Screws
 
1.2
 

 
10
 
Air Distribution Housing to HVAC Housing Screws
 
1.2
 

 
10
 
Air Inlet Housing to HVAC Housing Screws
 
1.2
 

 
10
 
Blend Door Lever Screw
 
0.6
 

 
5
 
Blower Motor Screws
 
1.2
 

 
10
 
Center Duct Screws
 
2.2
 

 
20
 
Defroster Duct Support Screws
 
3
 

 
27
 
Defroster Duct Screws
 
2.2
 

 
20
 
Demister Duct Screws
 
2.2
 

 
20
 
Flange to HVAC Housing Screw
 
1.2
 

 
10
 
Heater Core Tube Retaining Bracket Screw
 
1.2
 

 
10
 
Heat Shield to Dash Panel Nuts
 
1
 

 
10
 
HVAC Housing Halves Screws
 
1.2
 

 
10
 
HVAC Housing to Dash Panel Nut
 
4.5
 

 
40
 
Lower Condenser Bracket to Radiator Bolts
 
4.5
 

 
40
 
Mode Door Cam Screw
 
0.6
 

 
5
 
PTC Heater Unit to Housing Screws
 
1.2
 

 
10
 
Rear Seat Floor Duct Screw
 
2.2
 

 
20
 
Refrigerant Lines to A/C Evaporator Bolt
 
12
 

 
105
 
Refrigerant Lines to Compressor Nuts
 
20
 
15
 

 
Refrigerant Lines to A/C Condenser Nuts
 
5
 

 
44
 
Refrigerant Line Bracket to Strut Tower Nut
 
4.5
 

 
40
 
Suction Line to Accumulator Nut
 
5
 

 
44