Porshe 911 (997). Manual - part 771

- Preliminary work
- Removing control valve for lumbar support adjustment
- Installing control valve for lumbar support adjustment
- Subsequent work

Tools

Designation

Type

Number

Explanation

test cable

special tool

9745

test cable

special tool

9745/1

Preliminary work

Preliminary work

1. Remove cushion carrier for front backrest. → 722419 Removing and installing cushion carrier for front

backrest - section on "Removing"

Removing control valve for lumbar support adjustment

Taking off foam part

Installation Location:

Installation position of control valve for lumbar support adjustment

Taking off foam part

1. Remove foam part -1- at the

headrest.

Removing control valve for lumbar support adjustment

Diagnostic system: reading out fault memory and activating systems

 Removing control valve for lumbar support adjustment

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Removing control valve for lumbar support adjustment

1. Release connector -1- on control valve for lumbar support adjustment -3- ( -arrow a- ) and pull it

off -arrow B- .

2. Pull off the three hoses -2- on the control valve for lumbar support adjustment -3- ( -arrows C-

).

3. Unscrew fastening screw -4- and pull control valve for lumbar support adjustment -3- (with the clip -5- )

off the backrest frame -arrow D- .

Installing control valve for lumbar support adjustment

Installing control valve for lumbar support adjustment

Diagnostic system: reading out fault memory and activating systems

Removing control valve for lumbar support adjustment

3243

Installing control valve for lumbar support adjustment

1. Push control valve for lumbar support adjustment -3- (with the clip -5- ) onto the backrest frame

-arrow A-

 and screw down with the fastening screw -4- . → Tightening torque: 4 (3 ftlb.) Nm

Note

Observe the installation position of the hoses!
Push on the blue hose onto the connection marked B and push on the red hose onto the connection marked R.

2. Push on the three hoses -2- onto the control valve for lumbar support adjustment -3- ( -arrows B-

).

3. Push connector -1- onto the control valve for lumbar support adjustment -3- ( -arrow C- ) until it

engages securely.

Checking seat following removal

1. Connect the removed seat to the vehicle's wiring harness via test cable 9745 and test cable

9745/1

.

2. Connect electric plug to control module trim panel. → 721619 Removing and installing control

module trim panel - section on "Installing"

3. Connect the battery. → 2706IN IN -Work instructions after disconnecting the battery

4. Switch on ignition.

5. Carry out a function check on the seat components.

6. Switch off ignition after function test and disconnect battery.

7. Disconnect test cable 9745 and test cable

9745/1

.

Fitting foam part

Fitting foam part

Note

Observe the installation position of the hoses!
Make sure that the hoses are not pinched. Insert hoses exactly into the cut-outs on the foam part.

Diagnostic system: reading out fault memory and activating systems

Installing control valve for lumbar support adjustment

3244