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(522-2017) Leaking brake fluid reservoir

SERVICE INFORMATION
Bulletin Nbr: 522-2017
Date: ........... OCTOBER 1998
Market: NOT US, CA
Leaking brake fluid reservoir


Cars affected

Saab 9-3 M98 up to and including VIN X2027067 (LHD), X2026535 (RHD)

Saab 9-3 CV M98 up to and including VIN X7023382 (LHD), X7023258 (RHD)

Background

Depending on the manner in which the brake fluid reservoir cap has been screwed on, leaks may arise in certain adverse positions. This can be detected by inspecting the engine bay or by the brake fluid warning lamp going on.

This is caused by a non-return valve in the level indicator pipe in the cap acting as a pump when the cap has been fitted incorrectly. Due to this, the fluid cannot drain back into the reservoir. Eventually, the fluid is drained through the vent hole in the cap. This phenomenon is not dependent on the fluid level but can be aggravated by an overfilled reservoir.

Procedure

First, make sure there are no other leaks in the system.

Follow the following instructions to rectify the problem.


1. Unscrew the cap.

2. LHD: Turn the level indicator pipe so that the drain hole is 180 to the electrical connection.

RHD: Turn the level indicator pipe so that the drain hole is 150 to the electrical connector.

3. Fit the cap. The drain hole should be turned towards the front.


Warranty/Time Information

Failed Object: 52127

Fault/Reason code: 50

Location code: 09

Repair/Action code: 05

Time: 0.1 h