Ford F800 1999–2003 — technical service bulletin
Bulletin 16891 · NHTSA communication 10002606 · issued Jun 1, 2003
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
1999–2003
model years
11
vehicle entries
Official summary
Clear gel-like substance in the hydraulic brake master cylinder reservoir. This substance is a silicone base lubricant used during assembly of the master cylinder. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.