1141 Oil Pump
B36 ENGINE (COOPER BASE):
TIGHTENING TORQUE SPECIFICATION (OIL PUMPS WITH STRAINER AND DRIVE)
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Intake pipe to oil pump | B32S15M0/B38M0/U0/B36M0 | M6 | 10 Nm | |
| 2AZ Oil pump to crankcase | B32S15M0/B38M0/U0/B36M0 | M8 | 20 Nm | |
| 3AZ Oil deflector to crankcase | B32S15M0/B38M0/U0/B36M0 | M8 | Oil deflector in plastic (B38A) | 20.5 Nm |
| Oil deflector in aluminum (B38B) 1. Joining torque 2. Angle of rotation |
15 Nm 45° |
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| 4AZ Sprocket to oil pump | B32S15M0/B38M0/U0/B36M0 | M8 Important - left-hand thread |
1. Joining torque 2. Angle of rotation |
5 Nm 90° |
B46 AND B48 ENGINES (COOPER S AND JCW):
11 41 OIL PUMPS WITH STRAINER AND DRIVE - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Intake pipe to oil pump | B42S2000/B46M0/O0/B48M0/O0 | M6x25 | 8 Nm | |
| 2AZ Oil/vacuum tandem pump to crankcase | B42S2000/B46M0/O0/B48M0/O0 | M8 | 19 Nm | |
| 3AZ Center oil deflector screw connection | B42S2000/B46M0/O0/B48M0/O0 | M8x35 Replace screws. |
1. Joining torque 2. Angle of rotation |
15 Nm 45° |
| 4AZ Oil deflector screw connection, outer | B42S2000/B46M0/O0/B48M0/O0 | M8x35 Replace screws. |
1. Joining torque 2. Angle of rotation |
15 Nm 45° |
| 5AZ Sprocket to oil pump | B42S2000/B46M0/O0/B48M0/O0 | M10 Important - left-hand thread Replace screw. |
1. Joining torque 2. Angle of rotation |
5 Nm 90° |
| 6AZ Hydraulic valve to engine block | B42S2000/B46M0/O0/B48M0/O0 | M6x18 | 8 Nm |