13 31 Fuel Pump with Drive and Pipes
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Fuel pump to engine | All | 12 Nm | ||
| 2AZ Fuel pipe coupling bolt | All / with K-Jetr. | M8 | 9Nm | |
| 3AZ Fuel pipe coupling bolt | All / with K-Jetr. | M12 | 20 Nm | |
| 4AZ Fuel pipe to pressure regulator | All / with L-Jetr. | 30 Nm | ||
| 5AZ Return pipe connector to pressure regulator | All / with L-Jetr. | 27 Nm |
FUEL PUMP WITH DRIVE AND PIPES TIGHTENING TORQUE SPECIFICATIONS
13 32 Fuel Filter
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Fuel line to filter housing and injection pump | ||||
| Coupling nut | M21 / M51 / M41 | M14x 1.5 | 14 Nm | |
| Adapter | M21 / M51 / M41 | M12x 1.5 | 9Nm | |
| Hollow bolt | M21 / M51 / M41 | M14x 1.5 | 14 Nm | |
| 2AZ Fuel filter to holder | M51 / M41 | M8 | 22 Nm | |
| 3AZ Air duct to fuel cooler | M47 | 5.7 Nm | ||
| M57 | 2Nm | |||
| 4AZ Fuel filter cover | M47 | 25 Nm | ||
| 5AZ Fuel filter with holder to body | N42 | 8.8 Nm |
FUEL FILTER TIGHTENING TORQUE SPECIFICATIONS
13 51 Injection Pump, Control Receptacle
| Type | Thread | /Tightening specification | Measure | |
|---|---|---|---|---|
| 1 AZ Plug for high pressure section of injection pump | M21 / M51 / M41 | 25 Nm | ||
| 2AZ Distributor injection pump to holder | M21 / M51 / M41 | 25 Nm | ||
| 3AZ Electric shutoff to injection pump | M21 / M51 / M41 | 20 +/- 5 Nm | ||
| 4AZ Electric cold start valve to injection pump | M21 | 20 Nm | ||
| 5AZ Coupling bolt (OUT) to injection pump (fuel return) | M21 / M51 / M41 | 25 Nm | ||
| 6AZ Pressure valve holder to injection pump | M21 / M51 | 45 Nm | ||
| 7AZ Expansion element housing (temperature dependent idling speed boost) to injection pump | M21 | 18 Nm | ||
| 8AZ Distributor injection pump to flange and console | M21 / M51 / M41 | 22 Nm | ||
| 9AZ Electr. line on fuel cutout device | M51 / M41 | 2.5 Nm | ||
| 10AZ Fuel feed line to injection pump (VP44) | M47 | 30 Nm | ||
| 11 AZ Fuel return line to injection pump (VP44) | M47 | 25 Nm | ||
| 12AZ Plug for static basic adjustment (injection pump VP44) | M47 | 13 Nm | ||
| 13AZ Blocking screw for injection pump shaft without spacer plate (injection pump VP44) | M47 | 31 Nm | ||
| 14AZ Blocking screw for injection pump shaft with spacer plate (injection pump VP44) | M47 | 13 Nm | ||
| 15AZ Injection line (union nut) to injection pump (VP44) | M47 | 30 Nm |
INJECTION PUMP, CONTROL RECEPTACLE TIGHTENING TORQUE SPECIFICATIONS
13 62 Senders for Control Unit
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Temperature time switch | M21 / M51 | 18 Nm | ||
| 2AZ Coolant temperature sensor | M60/1 / M60/2 / M21 / M51 | 18 Nm | ||
| All others | 13 Nm | |||
| 3AZ Temperature switch | All | 28 Nm | ||
| 4AZ Temperature sensor - air | All | 13 Nm | ||
| 5AZ Charge-air pressure sensor on holder | M51 / M41 | 4Nm | ||
| Charge-air pressure sensor on intake manifold | M47 | 5 Nm | ||
| 6AZ Twin temperature sensor (4-pin plug-in connection) | M41 / M43/ M44/ S50/ S52/ M52/ M57/ M67/ M62/ M73 | 13 Nm | ||
| 7AZ Air-mass sensor on lower section of air filter housing | M51 | 3.5 Nm | ||
| Air-mass flow sensor to cylinder head cover | M47/ M47TU/ M57/ M57TU | 4.5 Nm | ||
| 8AZ Pulse generator, camshaft to cylinder head cover | M57 | 4.5 Nm | ||
| M47TU/ M57TU | 3.5 Nm | |||
| 9AZ Intake neck on air-mass flow sensor | M47 | 9 Nm |
SENSOR FOR CONTROL UNIT TIGHTENING TORQUE SPECIFICATIONS
13 64 Fuel Injectors
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Fuel injector to intake manifold | All | M6 | 10 Nm | |
| 2AZ Coupling nut on fuel injector | All / with K-Jetr. | 25 Nm |
FUEL INJECTORS TIGHTENING TORQUE SPECIFICATIONS