CTIS WHEEL SEAL TEST
(1) Check axle hubs for presence of oil
leaks that indicate a damaged CTIS
(2) Ensure wheel is at rest with hub plug
at top of hub.
(3) Remove hub oil plug.
(4) Select RUN FLAT at CTIS ECU (TM
(5) Determine if air is escaping from
hub. If air escapes,replace CTIS
wheel seal (para 10-3).
(6) Install hub oil plug on wheel hub.