Models 463.323 (M612)
Vacuum pump installation details on models 463.323 (M612)
1 - Vacuum line; 2 - Vacuum pump; 3 - Retainer
1. Remove the viscous coupling of the cooling system fan drive (see Chapter Cooling, heating, ventilation and air conditioning systems).
2. After releasing the lock (3), disconnect the vacuum line (1) from the pump (2).
3. Loosen the mounting bolts and pull forward to remove the vacuum pump (2).
4. Installation is carried out in the reverse order - make sure that the driver is correctly seated on the rear part of the pump assembly, do not forget to replace any defective sealing elements.
Models 463.333 (M628)
Vacuum pump installation details on models 463.333 (M628)
1 - Vacuum line; 2 - Vacuum pump; 3 - Retainer; 4, 8 - Bolts; 5 - Air intake duct; 6 - Cylinder head cover; 7 - Lid; 9 - Cable box
1. Remove the air cleaner and air intake with built-in MAF sensor (see Chapter Fuel and exhaust systems).
2. Release the right air intake duct from the retainer on the body element.
3. Remove the trim panel from the oil filler neck.
4. Loosen the mounting bolt (4) and pull the air duct (5) on the cylinder head cover (6) to the side.
5. Remove the cover (7).
6. Unscrew the bolts (8) and remove the cable box (9) from the guides on the cylinder head cover (6).
7. Jack up the car and place it on supports.
8. Remove the throttle actuator assembly with the upper air ducts (see Chapter Fuel and exhaust systems).
9. Disconnect the engine oil dipstick guide tube.
10. Release the clamps (3) and disconnect the vacuum line (1) from the pump assembly (2).
11. Loosen the mounting bolts and, pushing forward, remove the vacuum pump (2).
12. Installation is carried out in the reverse order - make sure that the driver is correctly seated on the rear part of the pump assembly, do not forget to replace any defective sealing elements.