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Replace fuel return line > < Engine Z17DTH

Corsa C

Injectors, Replace (Z 17 DTH, With Air Conditioning, LHD)

  Remove

Note:   When replacing the injectors, a new vehicle-specific QR-CODE must be programmed into the engine control unit

1.   Remove camshaft housing cover LUREF_1.gif
2.   Remove 4x injector (1)
Note:   Mark the injectors. If the heat insulation sleeve (5) is pulled out together with the injector during removal, the gaskets (3) must be replaced and the heat insulation sleeve driven into the cylinder head using KM-6357 (4)
•   Remove 4x injector (2) bracket
– Unscrew 4 bolts
•   Remove 4x copper ring
Object Number: 2413401 Size: DEFAULT


3.   Check injector bracket
Note:   If an old injector bracket was installed, it must be replaced with a new one
  1. New injector bracket
  2. Old injector bracket
Object Number: 7360932 Size: DEFAULT


  Install

4.   Detach accumulator
•   Unscrew 2x bolts 1 - 1 1/2 turns
5.   Replace 8 injector seals
•   4 O-rings (1)
•   4 copper seal rings (2)
Object Number: 2416067 Size: DEFAULT


6.   Install 4 injectors
•   Install 4x brackets
– Align injectors with EN-48560 (1)
Object Number: 2413404 Size: DEFAULT


7.   Fasten 4x accumulator high pressure lines to injectors
•   Hand-tighten 8x union nuts
8.   Fasten 4x injectors
•   Tighten 4 bolts in three stages
– 1. Tighten bolt 40 Nm
– 2. Loosen bolt
– 3. Tighten bolt 32 Nm
Object Number: 2413404 Size: DEFAULT


9.   Fasten accumulator
•   Tighten 2x bolts 25 Nm
10.   Remove 4x accumulator high pressure lines at injectors
•   Unscrew 8 union nuts
•   Seal off connections of accumulator using suitable sealing plugs
•   Seal off connections of injectors with protective caps
11.   Install camshaft housing cover LUREF_1.gif

Replace fuel return line > < Engine Z17DTH