Caution Wear protective goggles and protective gloves when decreasing the pressure via the bleeder valve

911 Carrera 4 Brakes, Hydraulics, Regulator, Booster

Removing and installing pressure warning switch Tools

No.

Designation

Special tool

Order number

Explanation

1

Socket wrench insert

9524

000.721.952.40

2

Reducing adapter from 3/4" to 1/2" or 3/8" according to torque wrench used

available from automotive trade suppliers; to connect torque wrench with socket wrench insert

3

Self-releasing torque wrench covering torque range between 20 (15) and 30 Nm (22 ftlb)

available from automotive trade suppliers; Tightening torque for pressure warning switch 26 Nm (19 ftlb)

Removing and installing pressure warning switch Printed in Germany - X, 1990

47 - 13

Tools

No.

Designation

Special tool

Order number

Explanation

4

Pressure gage

9509

000.721.950.90

For checking leakage and switching point (booster circuit pressure tests) together with measuring line 9509/2 (No. 5) or measuring line 9509/1 (-) on earlier cars without miniature measuring union on pressure reservoir

5

High press, measuring line

9509/2

000.721.950.92

on cars with miniature measuring union on pressure reservoir

High press, measuring line

9509/1

000.721.950.91

on cars without miniature measuring union on pressure reservoir, use an M 8 adapter as well (Page 47 -10).

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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