SCANIA TRUCK announced a problem with the 4 Series affecting a total of 21 vehicles.
The steel ball in ports 1 and 2 of the air brake system interlock valve may come loose and cause the parking brake to self apply. Vehicles built from 01/01/1999 to 12/31/2001 are at risk.
The following remedial action is necessary to address this problem. Recall affected vehicles and fit a modified interlock valve.
Vehicles with the following identification numbers are affected:
If you think that your vehicle may be affected by this recall you should
find your nearest SCANIA TRUCK dealer
who will be able to confirm whether or not your car is safe and arrange its free repair if necessary.
Source: UK Government's Vehicle and Operator Services Agency (VOSA).