Heating-A/C System
WARNING: This page is about a different car, the 2007 Dodge Grand Caravan, 2007 Dodge Caravan, and 2007 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
A/C SYSTEM
| Item | Description | Notes |
|---|---|---|
| A/C Compressor | Denso 10S17 - 2.4L/2.5L/2.8L/3.3L without rear A/C Denso 10S20 - 3.3L/3.8L with rear A/C |
ND-8 PAG Oil |
| Freeze-up Control | Evaporator temperature sensor | HVAC housing mounted (RS models), Evaporator mounted (RG Export models) - input to A/C-heater control module |
| Low PSI Control | A/C pressure transducer | Liquid line mounted - input to Powertrain Control Module (PCM) - PCM opens compressor clutch relay below 110 kPa (16 psi) |
| High PSI Control | A/C pressure transducer | Liquid line mounted - input to PCM - PCM opens compressor clutch relay above 3082 kPa (447 psi) |
| - | High Pressure relief valve | A/C Compressor mounted - opens above 3445-4135 kPa (500-600 psi), closes below 2756 kPa (400 psi) |
| R-134a Refrigerant Charge Capacity | RS - Single Unit 0.68 kg (1.5 lbs.) RS - Dual Unit 1.08 kg (2.38 lbs.) RG - Single Unit 0.79 kg (1.74 lbs.) |
Also see A/C Underhood Specification Label located in the engine compartment |
| A/C Clutch Coil Draw | Denso 10S17 - 3.3 amps Denso 10S20 - 2.2 amps |
@ 12V ± 0.5V @ 21° C (70° F) |
| A/C Clutch Air Gap | 0.35 - 0.60 mm (0.014 - 0.024 in.) |
TORQUE SPECIFICATIONS
| Description | N.m | Ft. Lbs. | In. Lbs. |
|---|---|---|---|
| All Screws NOT Listed Below | 2 | - | 17 |
| A/C Compressor Shaft Bolt | 19 | - | 168 |
| A/C Compressor Mounting Bolts (2.4L/2.5L/2.8L) | 28 | 21 | - |
| A/C Compressor Mounting Bolts (3.3L/3.8L) | 54 | 40 | - |
| A/C Compressor Mounting Bracket Bolts (2.4L/2.5L/2.8L) | 54 | 40 | - |
| A/C Condenser to Cooling Module Bolts (2.5L/2.8L) | 5 | - | 45 |
| A/C Ground Strap to Weld Stud Nut | 12 | - | 106 |
| Cabin Heater Air Intake Pipe Bolts | 7 | - | 62 |
| Cabin Heater M6 Bolts | 7 | - | 62 |
| Cabin Heater M8 Bolts | 23 | 17 | - |
| Cabin Heater Seat Hex Nut | 60 | 44 | - |
| Discharge Line to A/C Compressor Nut | 23 | 17 | - |
| Discharge Line to A/C Condenser Nut | 23 | 17 | - |
| Front A/C Expansion Valve Bolts | 11 | - | 97 |
| Front Heater Core Tube Sealing Plate Bolt - RG Export Models | 3 | - | 27 |
| Front HVAC Housing to Engine Compartment Side of Dash Panel Nuts | 7 | - | 62 |
| Front HVAC Housing to Engine Passenger Side of Dash Panel Nut and Bolt | 3 | - | 27 |
| Liquid Line to A/C Condenser Nut | 23 | 17 | - |
| Liquid Lines to Receiver/Drier Bolts | 11 | - | 97 |
| Liquid Line Extension Fitting to Underbody Liquid line Fitting | 23 | 17 | - |
| Rear Floor Distribution Duct to Inner Quarter Panel Screws | 2.2 | - | 20 |
| Rear Heater Core Tubes to Floor Panel Nuts | 3 | - | 27 |
| Rear Heater Core Tubes to Inner Quarter Panel Bolt | 3 | - | 27 |
| Rear HVAC to Inner Quarter Panel Bracket Bolts | 3 | - | 27 |
| Rear Lower Ceiling Distribution Duct to D-pillar Screw | 2.2 | - | 20 |
| Receiver/Drier Bracket Nuts | 10 | - | 89 |
| Refrigerant Lines to Front A/C Expansion Valve Nut | 23 | 17 | - |
| Suction Line to A/C Compressor Nut | 23 | 17 | - |
| Suction Line Extension Fitting to Underbody Suction line Fitting | 23 | 17 | - |
| Underbody Refrigerant Line to Underbody Rear Extension Line Fittings | 23 | 17 | - |
| Underbody Refrigerant Extension Line Sealing Plate to Rear Expansion Valve Nut | 12 | - | 106 |