Suspension - Front Suspension Knocking/Banging Noises
TECHNICAL SERVICE BULLETINBulletin Nbr: 731-2643 utg.2
Date:...........April 2008
Market: all
Noise in the MacPherson strut
Cars affected
Saab 9-3 4D/5D within Vehicle Identification Number range 31000001 - 71004117
Saab 9-3 CV within Vehicle Identification Number range 46000001 - 76002069
Background
Water may enter the thrust bearing and cause corrosion.
A new, improved sealed thrust bearing has been produced. Water protection according to TSB 731-2643 edition 1 must not be mounted on the new thrust bearing.
In the case of customer complaint, the following procedure must be carried out.
Symptom description
Knocking noise while turning the steering wheel, or banging noise when driving on uneven roads.
Parts required
11 900 364 Screw (3 per MacPherson strut)
13 270 705 Thrust bearing
Procedure
1. Remove the MacPherson strut, in accordance with WIS - Suspension, wheels - Front suspension - Adjustment/Replacement.
2. Dismantle the MacPherson strut, in accordance with WIS - Suspension, wheels - Front suspension - Adjustment/Replacement.
3. Thrust bearing replacement.
NOTE: Water protection according to TSB 731-2643 edition 1 must not be mounted.
4. Assemble the MacPherson strut, in accordance with WIS - Suspension, wheels - Front suspension - Adjustment/Replacement.
5. Fit the MacPherson strut, in accordance with WIS - Suspension, wheels - Front suspension - Adjustment/Replacement.
Warranty/Time Information
In the case of customer complaint and if the car is within the warranty period, use the following information to fill out the claim:
Failed Object: 73113
Fault/Reason code: 40
Location code: 09 (US=9)
US=3 left side only, 4 right side only, 5 both sides)
Warranty Type (US): 01
Repair/Action code: 01
Labour Operation (US): 7311303 (one side) and 7311304 (both sides)
Labour Operation (CA): E3900 (one side) and E3901 (both sides)
Time: 0.7 hr one side; 1.2 hr both sides
Fault diagnosis procedure is not available.
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