Diesel injection pump, servicing
WARNING: This page is about a different car, the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Refer to RULES FOR CLEANLINESS .
Diesel injection pump, removing and installing, see DIESEL INJECTION PUMP, REMOVING AND INSTALLING .
Diesel injection pump, checking and adjusting dynamically, see START OF INJECTION, DYNAMICALLY CHECKING AND ADJUSTING .
The following list pertains to Fig 1 .
- 55 Nm (41 ft lb)
- Injection pump sprocket
- Removing, see INSTALLING
- Woodruff key
- Make sure it fits securely
- Oil seal
- Always replace
- Banjo bolt
- 25 Nm (18 ft lb)
- Supply hose
- From fuel filter
- Injection pump
With:
- Quantity adjuster -N146-
- Modulating piston displacement sensor -G149-
- Fuel temperature sensor - G81-
- O-ring
- Replace if damaged
- Fuel cut -off valve
- 40 Nm (30 ft lb)
- Union
- For return line
- 25 Nm (18 ft lb)
- Return hose
- To control valve/fuel filter
- Injector lines
- 25 Nm (18 ft lb)
- Remove using 3035 tubing wrench
- Always remove injector lines as an assembly
- Do not bend or otherwise alter shape
- - Fuel injector
- For 3rd cylinder with needle lift sensor
- Removing and installing, see FUEL INJECTORS, REMOVING AND INSTALLING
- Servicing, see FUEL INJECTORS, SERVICING
- 20 Nm (15 ft lb)
- Dished washer
- Retainer
- Mounting
- 3-pin harness connector
- For fuel cut -off valve and cold start injector
- Union
- With pressure valve
- 45 Nm (33 ft lb)
- Timing control cover
- If leaking, replace O-ring, see TIMING CONTROL COVER O-RING, REPLACING
- Heat shield
- Always replace
- 10 Nm (7 ft lb)
- Cold start injector N108
- Checking, see OUTPUT DIAGNOSTIC TEST MODE, CHECKS
- Strainer
- Retainer
- Sleeve
- Tapered
- 25 Nm (18 ft lb)
- Nut with taper
- Console