SL 55 AMG (230.474) V8-5.5L SC (113.992) (2003)
Hydraulic Control Assembly - Antilock Brakes: Customer Interest
Brakes - Noises When Releasing Brake Pedal
Date: December 30, 2002
Order No.: P-B-42.46/24a
Supersedes: P-B-42.46/24 dated October 25, 2002
Group: 42
Revision: Repair Procedure Optimized
SUBJECT:
Model 230, Model Year 2003
Pressure Reduction Noise When Releasing Brake Pedal
If you encounter instances in Model 230 of noises exclusively when releasing the brake pedal, perform the following procedure. Other noise associated
with brake pedal actuation cannot be eliminated with this procedure.
Note:
The noises associated with brake pedal release occur within the hydraulic unit, however the noises are subjectively perceived from the right rear of
the vehicle.
Note:
There is no reason to remove the SBC hydraulic unit in order to replace the mounting bracket.
1)
Open the vehicle's hood and then globally lock the vehicle (driver and passenger doors).
Note:
Leave the vehicle locked for the entire time that work is commencing. Caution should be observed while working on vehicle so that the alarm is not
activated.
2)
Remove the engine's right side air inlet tube.
3)
Remove the vent tube from the cooling system's expansion tank.
4)
Disconnect the SBC hydraulic lines from the retaining mounts (Figure 1).
5)
Remove the two electrical cable straps at the SBC bracket (Figure 2).
Note:
If the cable straps become damaged during removal, replace with new cable straps, part no. 000 995 52 44.
6)
Disconnect the SBC electrical connector.