Attention! Before starting work, press the brake pedal several times to relieve the vacuum in the brake booster, which will make it easier to disconnect the vacuum hose.
The replacement of the check valve and the hose of the vacuum booster must be carried out in the following order. Remove the heater baffle and decorative cover.
Open collar (6, see fig. 11.51) hose clamps, remove the non-return valve from the brake booster and disconnect it from the vacuum hose. Remove vacuum hose (7), by disconnecting it from the reservoir or vacuum pump line. Replace seal (4).
By car with engine «N62» additionally remove the air flow meter, release the vacuum pipeline from the holder (1, fig. 11.62), open the yoke (2) and disconnect the shaped hose. Unclip the vacuum line. When installing the vacuum hose, replace the clamps.