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Replace MTA system assembly (M20 MTA) > < Replace shift or selector position sensor (M20 MTA)

Corsa D

Remove and install gearshift module (M20 + MTA)

  Remove

Important:   Follow Easytronic safety notes .
1.   Remove clutch module
2.   Remove supply unit
Important:   The electronic control unit may only be removed and reinstalled once. If the electronic control unit is removed again, it must be replaced.
3.   Remove electronic control unit LUREF_1.gif
4.   Release 2 wiring harness plugs and disconnect.
•   From shift position sensor (2)
•   From selection position sensor (1)
Object Number: 10680937 Size: DEFAULT


5.   Detach holder for high pressure line MTA system (1)
•   Unscrew bolt (2)
Object Number: 10677760 Size: DEFAULT


6.   Unlock and separate the wiring harness plug (2) for gearbox output speed (1)
Object Number: 10680895 Size: DEFAULT


7.   Detach high pressure line (2) from the shift module
•   Unscrew union nut (1)
Object Number: 10680908 Size: DEFAULT


8.   Detach shift module bracket from transmission
•   Unscrew stud bolt (2)
•   Unclip wiring harness (1)
Object Number: 10680938 Size: DEFAULT


9.   Detach shift module (2) base
•   Unscrew 2x bolts (1)
Object Number: 10680939 Size: DEFAULT


10.   Attach engine hoist
11.   Detach transmission from left engine damping block
•   Unscrew 3x bolts (1)
12.   Lower engine with transmission on EN-47650
Note:   Lower engine with transmission until transmission lies on front axle body

Do not damage wiring harnesses and attaching parts

Be careful of vacuum line on throttle valve module
Object Number: 10680857 Size: DEFAULT


Important:   Carefully remove shift module to avoid damaging the pins of the solenoid valves
13.   Remove shift module (3)
•   Remove MTA wiring harness and high pressure line (1)
•   Unscrew 2x bolts (2)
•   Remove shift module gasket
•   Clean sealing surfaces.
Object Number: 10680940 Size: DEFAULT


  Install

Object Number: 10680943 Size: DEFAULT

Important:   Before installing the shift module, the gearbox and shift module must be checked for correct installation position. The gearbox and shift module must stand in the idle position "N".
14.   Check gears for idle position, if necessary adjust by moving the shift finger.
•   1a: Position OK
•   2a: Position NOK
15.   Check shift module for idle position, if necessary adjust by twisting
•   1b: Position OK
•   2b: Position NOK

16.   Check angle of shift finger for idle position, if necessary adjust by twisting
Note:   In this test, 4 positions are possible. The two centre positions are both correct.
•   Angle OK (1)
•   Angle NOK (2)
Object Number: 10680944 Size: DEFAULT


Important:   Carefully insert shift module to avoid damaging the pins of the solenoid valves
17.   Install shift module (3)
•   Insert new gasket for shift module
•   Insert MTA wiring harness and high pressure line (1)
•   Tighten 2x bolts (2) 28 Nm
•   Clean sealing surfaces.
Object Number: 10680940 Size: DEFAULT


Important:   Do not damage wiring harnesses and attaching parts
Be careful of vacuum line on throttle valve module
18.   Raise engine and transmission on the left hand side
•   raise with EN-47650
19.   Attach transmission to left hand engine damping block
•   Tighten 3x bolts (1) 55 Nm
20.   Detach engine hoist
Object Number: 10680857 Size: DEFAULT


21.   Attach shift module (2) base
•   Tighten 2x bolts (1) 28 Nm
Object Number: 10680939 Size: DEFAULT


22.   Attach shift module bracket to transmission
•   Tighten stud bolts (2) 28 Nm
•   Clip in wiring harness (1)
Object Number: 10680938 Size: DEFAULT


23.   Connect and lock wiring harness plug (2) for gearbox output speed sensor (1)
Object Number: 10680895 Size: DEFAULT


24.   Connect and lock 2 wiring harness plugs
•   to shift position sensor (2)
•   to selection position sensor (1)
Object Number: 10680937 Size: DEFAULT


25.   Attach holder for high pressure line MTA system (1)
•   Tighten bolt (2)
Object Number: 10677760 Size: DEFAULT


26.   Install supply unit
27.   Install clutch module
28.   Install remove electronic control unit LUREF_1.gif

Replace MTA system assembly (M20 MTA) > < Replace shift or selector position sensor (M20 MTA)