300Tdi Engine Brake Servo Vacuum Pump Overhaul
ENGINE
44
OVERHAUL
BRAKE SERVO VACUUM PUMP
Remove
1. Ensure that number 1 piston is at TDC.
CAUTION: Rotate crankshaft in a
clockwise direction.
2. Noting their fitted positions, progressively
slacken 5 bolts until all loading is removed from
vacuum pump piston.
NOTE: The sixth bolt was removed during
air cleaner bracket removal.
3. Remove bolts.
4. Remove vacuum pump, remove and discard
gasket.
Refit
1. Remove all traces of gasket using suitable
gasket removal spray and a plastic scraper.
2. Ensure number 1 piston is still at TDC.
3. Fit vacuum pump, fit and finger tighten 5 bolts
in their original positions.
NOTE: The sixth bolt is fitted when air
cleaner bracket is fitted.
4. Tighten bolts progressively by diagonal
selection to 25 Nm.