Volkswagen Workshop Service and Repair Manuals

Notes:

• ◆ When the control unit must be removed because of a defective fuel shut-off valve, ensure the control unit is not damaged when drilling out the shear head bolts. This is because the control unit can be reused after servicing the fuel shut-off valve.
• ◆ The shear head bolts can be obtained as individual items under Part No. 028 903 285.

Removing:

• ‒ Remove injector pipes as a complete set

=>See Workshop manual, Diesel injection and preglow system; Repair group 23 for respective engine code

• ‒ Separate 3-pin connector from wiring harness on control unit.
• ‒ → Centre punch head of shear head bolts -arrows- in centre.

• ‒ Drill approx. 4 mm (3 mm dia. drill) into end of shear head bolt .
• ‒ Remove shear head bolt with aid of left-hand thread tap (stud extractor).

Installing:

Installing fuel shut-off valve control unit .