seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Servicing fuel filter > < Fitting locations overview
Diesel direct injection and glow plug system
Servicing Diesel direct injection system
Servicing injection pump
 
N23-0148
  • ◆ Observe rules for cleanliness
  • ◆ Removing and installing injection pump
  • ◆ Dynamically checking and adjusting injection pump
  • 55 Nm
  • Injection pump sprocket
    • ◆ Removing => Removing injection pump Page 23-19
  • Woodruff key
    • ◆ Check seated securely
  • Seal
    • ◆ Renew
  • Banjo bolt, 25 Nm
 
N23-0148
  • Supply hose
    • ◆ From fuel filter
  • Injection pump
    • ◆ With quantity adjuster (metering)
    • ◆ With quantity adjuster (N146)
    • ◆ With modulating piston movement sender (G149)
    • ◆ With fuel temperature sender
  • O-Ring
    • ◆ Renew if damaged
  • Fuel shut off valve, 40 Nm
  • Pipe union
    • ◆ For return pipe
  • 25 Nm
  • Return hose
    • ◆ To control valve/fuel filter
 
N23-0148
  • Injector pipes
    • ◆ Tighten to 25 Nm
    • ◆ Remove with 3035
    • ◆ Always remove pipework complete
    • ◆ Do not alter shape
  • Injector
    • ◆ For 3rd cylinder with needle lift sender
    • ◆ Removing and installing
    • ◆ Servicing => Page 23-34
  • 20 Nm
  • Dished washer
  • Retainer
  • Mounting
  • 3 pin connector
    • ◆ Engine codes AHU, 1Z
    • ◆ For fuel cut-off and commencement of injection valves
 
N23-0148
  • Pipe union, 45 Nm
    • ◆ With pressure valve
  • Timing control cover
    • ◆ If leaking, replace O-ring
  • Heat insulation seal
    • ◆ Renew
  • 10 Nm
  • Commencement of injection valve (N108)
    • ◆ Checking , final control diagnosis
  • Strainer
  • Retainer
  • Sleeve
    • ◆ Tapered
  • 25 Nm
    • ◆ Nut with taper
  • Console

Servicing fuel filter > < Fitting locations overview