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