Dismantling and assembling intake distributor

911 Carrera RS engine with Varioram induction system (M 64 / 20)

Soft Clamp Control Valve

No.

Designation

Removal

Installation

1

Hose clamp

1

2

Hose clamp

1

3

Idle speed control

1

4

Rubber shroud

1

5

Countersunk screw M 5 x 16

2

tightening torque 5.6 Nm (4.1 ftlb)

6

Vacuum capsule

1

7

Countersunk screw M 5 x 16

2

tightening torque 5.6 Nm (4.1 ftlb)

8

Vacuum capsule

1

9

Hose clamp

1

10

Molded hose

1

If

Hose clamp

1

12

Molded hose

1

13

Molded hose

1

14

Combination Allen screw

6

15

Potentiometer

1

> 16

Throttle valve assembly

1

17

Guide pin for air filter housing

2

10

Solenoid valves for slide valves

2

19

Solenoid valve for tuning flap

1

-;- m---

1

Degrease seal surface of throttle valve flange and apply Loctite 574 sealant with velour roller.

993 Porsche Cup Air Filter

2210-24

24 46 37 Dismantling and assembling intake distributor

Noté:

No

Designation

Qty.

Removal

I nsta Nation

1

Hose clamp

8

2

Rubber sleeve

6

Inspect for damage

3

Hose clamp

e

A

Combination Allen screw M 6x20

9

tightening lonque 9 ? Nm (7 2 ftlb;- tighten screws working crosswse Decrease seal surface and apply Locate 574 seaian* with vetour roller

5

Intake pipe lower set!:an

2

6

Slid9 valve

2

Oil bore slightly. Install in correct position with rounded central platform facing center of intake pipe.

7

Seal ring

6

8

Snap nng

6

9

Cup spring

6

install with fiat side towards upper section oF intake pipe.

10

Pipe nozzle

6

11

Seat ring

6

12

Hexagonal nut

2

tightening torque 7 Nm (5.2 11 lb), hold wrench against forked rocker sfiaft when tightening

13

Lock washer

2

14

Lever

2

S 1 x 14 5 * 0.5

2

16

Shaft seal ring G8 x 12 x 9

2

Replace Closed side must face intake pipe i e. open side is visible.

No.

Designation

Removal

Installation

17

Forked rocker for slide valve.

2

Observe marking. Rockers are marked "R" for right and "L" for left.

8.1 x 14.5x0.5

2

19

Countersunk screw M 5 x 16

2

Tightening torque 5.6 Nm (4.1 ftlb)

20

Vacuum capsule

1

21

Hexagonal nut

1

tightening torque 7 Nm (5.2 ftlb)

22

Lock washer 8.4

1

23

Lever for tuning flap

1

24

Shim 8 x 14 x 1

1

25

Shaft seal ring G8 x 12 x 3

1

Replace. Closed side must face intake pipe, i.e. open side is visible.

26

Hex head screw M 6 x 25

2

---rt+r^f

27

Tuning flap housing

1

28

Seal ring

1

29

Tuning flap

1

30

Intake pipe, upper section -—-

1

Degrease seal surface.

Note

All moving parts must be oiled slightly for installation

Installation instructions install shaft seal ring for forked rocker of Installation

The closed side must face the intake pipe, i.e, the open side must be visible. Ensure that the seal ring is pressed in to the correct depth.

2223-24

Hook forked rocker onto slide valve.

2224-24

The illustration shows the cutout in the turned over intake pipe upper section for

Removing and installing vacuum reservoir Note

The vacuum reservoir is below the rear left wheel housing, near to the carbon canister.

Installation

In order to prevent the slide valve from becoming unhooked, the forked rocker must be installed with the intake pipe upper section turned over. The forked rockers are marked "R" and "L". The intake pipe must not be turned over until the upper section has been bolted to the lower section (installation position).

Installation instructions

Install connection in correct position on vacuum reservoir. Install vacuum hose without stress. Tighten fastening screw to 3 Nm (2.2 ftlb).

2220-24

Disconnect air filter housing from air mass sensor.

Disconnect air filter housing from air mass sensor in engine compartment. To do so, turn air mass sensor in direction of arrow (towards front of vehicle) to unhook bayonet mounting. For installation, apply a thin layer of assembly lubricant to rubber seal.

993 Air Intake
2221-24
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