Bypass Valve - Noise
SI No.801-2242PI No.
Date: June 2000
Distr.: US, CA
Noise from bypass valve
Cars affected
Saab 9-3 M00 within the following VIN Serial No. Ranges:
Y2000177 - Y2005763 (3D/5D not Viggen)
Y7000100 - Y7000561 (CV and Viggen 3D/5DR)
Background
On certain cars, the seal in the right-hand wheel housing can come loose and end up in the wrong position. Consequently, the noise from the bypass valve can be heard inside the car.
After customer complaint, the noise from the bypass valve can be reduced by taking the measures below.
Symptoms
Noise from the bypass valve.
Parts required
92 88 127 Butyl tape (approx. 100 mm per car) (CA: 5792002)
Procedure
Inspection
Check whether the wheel housing seal is in the correct position by removing the light cluster. Move the light cluster to one side, and with a flashlight, look into the wheel housing.
If the wheel housing seal is not in place, fit it as described below.
To fit
1. Remove the wheel.
2. Remove the inner fender (wing) liner.
3. Retrieve the seal and clean the edges.
4. Place a strip of butyl tape along the edge of the seal as illustrated.
5. Fit the seal.
6. Fit the inner fender (wing) liner, wheel and light cluster.
7. Test drive the car and check that no noise is heard from the bypass valve.
Time/Warranty Information
To resolve a customer complaint for a vehicle in warranty, submit a claim using the following information:
Failed object: 85131
Fault/Reason code: 40
Location code: 09 (US = 4)
Warranty type (US): 01
Repair/Action code: 05
Labor operation (US): 82521 (R & R inner fender shield)
Time:
Check: 0.2 hrs
Check + Adjustment: 0.3 hrs
(CA: A9120)
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