Black plate (9,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012Service and Maintenance 11-9Footnotes — MaintenanceSchedule Additional RequiredServices — Severea) Vehicles with different size frontand rear tires do not have tirerotation. See Tire Rotation onpage 10‑77.b) Or every two years, whichevercomes first. More frequentreplacement may be needed if thevehicle is driven in areas with heavytraffic, areas with poor air quality, orareas with high dust levels.Replacement may also be needed ifthere is a reduction in air flow,excessive window fogging, or odors,c) Check all fuel and vapor linesand hoses for proper hook‐up,routing, and condition. Check thatthe purge valve, if the vehicle hasone, works properly. Replace asneeded.d) Or every four years, whichevercomes first.e) Do not directly power wash thetransfer case output seals. Highpressure water can overcome theseals and contaminate the transfercase fluid. Contaminated fluid willdecrease the life of the transfercase and should be replaced.f) Or every five years, whichevercomes first. See Cooling System onpage 10‑18.g) Or every 10 years, whichevercomes first. Inspect for fraying,excessive cracking, or damage;replace, if needed.h) Inspect for fraying, excessivecracking, or damage; replace,if needed.Special ApplicationServices. Vehicles with manualtransmissions: Every two yearsdrain, flush, and fill clutchhydraulic system.. Severe Commercial UseVehicles Only: Lubricate chassiscomponents every 5 000 km/3,000 mi.. Have underbody flushing serviceperformed once a year.
