S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN) (1992)
Door Locks: All Technical Service Bulletins
Lock Tumblers - Binding, Difficult to Operate
All
57-90-T01
Lock Tumblers - Binding, Difficult to Operate
Jan 90
Cause:
Reduction or elimination of lubricant in lock tumblers by application of lock de-icer spray, high-pressure car washers, etc.
Service:
Spray door and rear lid lock tumblers with lubricant, P/N G 000 400.
Preventive measure:
Lubricate all lock tumblers before every winter season.