SPECIFICATIONS
| Application | Specification |
| Compressor Type |
| 4-Cylinder | Zexel 6-Cyl. |
| 6-Cylinder | Nippondenso |
| Compressor Belt Tension | (1) |
| System Oil Capacity (2) |
| Nippondenso Compressor | 6.9-10.1 ozs. |
| Zexel Compressor | 7.8-9.2 ozs. |
| Refrigerant (R-134a) Capacity (3) | 22.9-24.6 |
| System Operating Pressures (4) |
| Low Side | 26-29 psi (1.8-2.0 kg/cm 2 ) |
| High Side | (5) |
| (1) Belt tension is automatically adjusted by belt tensioner. (2) Use SP-10 Oil (G 052 154 A2) on Zexel compressor. Use SP-10 Oil (G 052 300 A2) on Nippondenso compressor. (3) Condensers used are interchangeable, requiring different quantities of refrigerant. see scheme 1to identify condenser manufacturer. (4) Measure at 77°F (25°C). (5) High-side pressure increases from base pressure (engine off) to a maximum of 350 psi (24.6 kg/cm 2 ). |
| (1) | Belt tension is automatically adjusted by belt tensioner. |
| (2) | Use SP-10 Oil (G 052 154 A2) on Zexel compressor. Use SP-10 Oil (G 052 300 A2) on Nippondenso compressor. |
| (3) | Condensers used are interchangeable, requiring different quantities of refrigerant. see scheme 1to identify condenser manufacturer. |
| (4) | Measure at 77°F (25°C). |
| (5) | High-side pressure increases from base pressure (engine off) to a maximum of 350 psi (24.6 kg/cm 2 ). |
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
| A/C Compressor Bolts | 18 (25) |
| A/C Compressor Bracket Bolts | 18 (25) |
| A/C Compressor High Pressure Connection | 22 (30) |
| A/C Compressor Low-Pressure Connection | 30 (40) |
| Accumulator Lines | 30 (40) |
| Belt Tensioner (4-Cylinder) | (1) 15 (20) |
| Condenser |
| Inlet Line | 22 (30) |
| Outlet Line | 11 (15) |
| Refrigerant Line Clamp Bolt | 11 (15) |
| Steering Wheel Nut | 30 (40) |
| INCH Lbs. (N.m) |
| A/C Compressor Speed Sensor | 44 (5) |
| A/C-Heater Control Panel | 44 (5) |
| Air Bag Module Screws | 53 (6) |
| Center Console Bolts | 44 (5) |
| Center Console Nut |
| Front | 31 (3.5) |
| Rear | 89 (10) |
| Center Instrument Panel Trim Screws | 31 (3.5) |
| Compressor Drain Plug | 89 (10) |
| High-Pressure Cut-Out Switch (2) | 44 (5) |
| High-Pressure Relief Valve | 89 (10) |
| High Pressure Switch (2) | 44 (5) |
| Low-Pressure Switch (2) | 44 (5) |
| Stowage Compartment Screws | 44 (5) |
| (1) Rotate adjusting bolt clockwise using 18 ft. lbs. (25 N.m) torque and tighten tensioner bolts. (2) High pressure switch, high-pressure cut-out switch, and low-pressure switch may be removed without discharging A/C system. |
| (1) | Rotate adjusting bolt clockwise using 18 ft. lbs. (25 N.m) torque and tighten tensioner bolts. |
| (2) | High pressure switch, high-pressure cut-out switch, and low-pressure switch may be removed without discharging A/C system. |
Automatic A/C-Heater System Wiring Diagram (2000-01 A4 - 1 Of 2). Scheme 1
Scheme 1: Automatic A/C-Heater System Wiring Diagram (2000-01 A4 - 1 Of 2)
Automatic A/C-Heater System Wiring Diagram (2000-01 S4 - 1 Of 2). Scheme 2
Scheme 2: Automatic A/C-Heater System Wiring Diagram (2000-01 S4 - 1 Of 2)
Automatic A/C-Heater System Wiring Diagram (2000-01 S4 - 2 Of 2). Scheme 3
Scheme 3: Automatic A/C-Heater System Wiring Diagram (2000-01 S4 - 2 Of 2)