22:22. The vacuum pump on models with diesel engines


1. Operability of the vacuum pump of the brake system can be checked, using the vacuum gage.
2. Disconnect a vacuum tube from the pump and instead of it connect the vacuum gage.
3. Start the engine in the idling mode. Measure the vacuum created by the pump. After one minute of operation of the engine vacuum has to make about 500 mm Hg. If the vacuum created by the pump does not correspond to the required data, replace the pump completely as spare parts to the pump are not delivered.


1. Remove the radiator fan.
2. Take off an auxiliary driving belt.
3. Unscrew a connecting nut and disconnect a vacuum hose from the vacuum pump.
4. Unscrew bolts and remove the vacuum pump from a forward part of the block of cylinders. Remove laying of the vacuum pump. At installation of the vacuum pump it is necessary to use new laying.


1. Installation is made in the sequence, the return to removal. Establish new laying of the vacuum pump and check correctness of installation of a flange of the drive of the vacuum pump.