Vacuum Pump: Service and Repair

Vacuum Pump For Brake Booster, Removing And Installing (Vehicles With Diesel Engine)
Removing





- Remove retainer for wiring harness from vacuum pump.
- Loosen vacuum hose clamp (arrow -A-) and remove hose from pump.
- Remove bolts (arrow -B-) on flange.
- Remove vacuum pump.

Note:
^ Vacuum pump cannot be repaired,

Installing

Note:
^ When installing vacuum pump be sure that follower engages correctly with camshaft.





- Install bolts (arrows -B-) on cylinder head flange and secure vacuum hose with clamp (arrow -A-)





- Check function of check valve -A-.
^ Air must pass through in direction of arrow.
^ Valve must stay closed (no air passes through) in opposite direction.