volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Dismantling and assembling freewheel with -B1- piston > < Adjusting 2nd and 4th gear brake -B2-

Golf Mk4

Dismantling and assembling ATF pump
Dismantling and assembling → ATF pump
Special tools and workshop equipment required
   
t  Angle wrench -V.A.G 1756-
  W00-0449
–  Observe general repair instructions → Chapter.
Replacement → ATF pump parts and the pump itself are allocated according to gearbox code.
Removing → ATF pump → Chapter
Installing → ATF pump → Chapter
1 - Piston ring
q   Removing and installing → Fig.
q   Check for proper seating → Fig..
2 - Piston ring
q   Removing and installing → Fig.
q   Check for proper seating → Fig..
3 - Piston ring
q   Removing and installing → Fig.
q   Check for proper seating → Fig..
4 - Thrust washer
5 - Piston
q   Sealing lips are vulcanised to piston.
q   Moisten sealing lips with → ATF before installing.
q   Turn piston slightly when installing.
6 - Bolt, 10 Nm
q   Then turn 45° further.
7 - Stator support
8 - Outer gear
q   Manufacturer's marking -arrow- faces stator support.
q   If outer gear is incorrectly installed, the → ATF pump may not operate freely in the installed position.
9 - Inner gear
q   Larger groove in inner circumference faces stator support.
10 - Housing for → ATF pump
11 - O-ring
q   Always renew
12 -  → Torque converter seal
q   Removing and installing → Chapter

   
Removing and installing piston ring
Removing
–  Compress piston ring and release it.
–  Expand piston ring on both sides and remove; do not twist out of groove on one side.
Installing
–  Place piston ring in groove.
–  To hook ends together, press sides of ring in and guide ends over one another.
  N38-0013
Checking seating of piston rings
–  Ensure that ends of piston rings are hooked together.
  N38-0012

Dismantling and assembling freewheel with -B1- piston > < Adjusting 2nd and 4th gear brake -B2-