Pump-Injector Unit, servicing

Fig 1: Pump-Injector Unit Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

NOTE: Always replace sealing rings and O-rings

1 - 20 Nm plus an additional turn 1/4 (90 ° )

Always replace
Observe sequence for loosening and tightening. Refer to Pump-Injector Unit, removing and installing

2 - Rocker arm axle

3 - Lock nut, 30 Nm

4 - Adjustment bolt

5 - Nipple

6 - Pump-Injector Unit

Removing and installing. Refer to Pump-Injector Unit, removing and installing
Checking Valve for pump/injector, cylinder 1 -N240-* to Valve for pump/injector, cylinder 3 -N242-*. Refer to Pump-Injector Unit, checking

7 - O-ring

8 - O-ring

9 - O-ring

10 - Heat protection seal

11 - Snap ring

12 - Cylinder head

13 - Tension block

14 - 12 Nm plus an additional 3/4turn (270 ° )