"K2/K3" Clutch Housing, Overview

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Fig 1: Exploded View Of "K2/K3" Clutch Housing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Clutch housing "K2/K3"

2 - K2 piston

On piston, there are two O-rings which must not be damaged.

3 - K3 piston

On piston, there are two O-rings which must not be damaged.

4 - Spring

5 - Piston cap

The sealing lip on outer edge is vulcanized and must not be damaged.

6 - Retaining ring

Ring will not be replaced. Therefore, remove and install carefully, not over-stretching it with force.

Disassembling "K2/K3" clutch housing

Fig 2: Pressing Down Piston Cap Only Far Enough That The Ring Can Be Removed

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Slowly and carefully press down piston cap only far enough that the ring can be removed.
Remove retaining ring.
Remove piston cap and spring.
Drive two nesting pistons out of clutch housing.
To do this, gently strike a plastic mallet against the upper edge of the clutch housing.

Assembling "K2/K3" clutch housing

Carefully press K2 piston by hand into clutch housing to stop.
Carefully press K3 piston by hand into K2 to stop.

Fig 3: Attention (Lay Spring, Piston Cap And Retaining Ring In Clutch Housing)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Lay spring, piston cap and retaining ring in clutch housing.
Carefully center piston cap before pressing it down.
Slowly and carefully press down piston cap only far enough that the ring can be installed.
Install retaining ring.