Vacuum pump (diesel engine) (Mazda Capella GD)

The vacuum pump is used to establish vacuum in the brake booster and is driven through the rear pulley of the camshaft belt drive. Lubrication is carried out through a separate oil line from the engine lubrication system. The pump must be replaced if damaged or repaired in a workshop f. mazda.

When removing and installing the pump, you need to do the following, using the figure 240.

• Open the clamp and disconnect the vacuum (1) and drain hoses (2) from the pump.
• Unscrew the union nut (3) of the pipeline and remove the hose. At the same time, oil is poured out and collected in a suitable container.
• Unscrew the cover (4) to drive the pump.
• Unscrew and remove the pump. The pump is installed in reverse order. Tighten the pump bolts to the torque shown in the figure, but ensure that the different dimensions are maintained. Set the drive belt tension. taking advantage of figure 211. If servo control is not installed, the belt tension is measured in the same place. A new belt should be pressed in by 7.5–8.5 mm, a used belt by 8.5–9.5 mm.