Page 1168 - Foton Workshop Manual - Aumark (BJ1099)

35-20 BRAKE - MASTER BRAKE CYLINDER & VACUUM BOOSTER

3. Check the vacuum check valve
(a). Release the clip and remove the vacuum tube.

(b). Remove the vacuum check valve.

fuwx35029

(c). Check the connectivity from the booster to
the engine, while it is not accessible from
the opposite direction. In case of any fault,
replace the vacuum check valve.

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