Black plate (9,1)
Cadillac Escalade EXT Owner Manual - 2012
Service and Maintenance
11-9
Footnotes
—
Maintenance
Schedule Additional Required
Services
—
Severe
a)
Check all fuel and vapor lines
and hoses for proper hook
‐
up,
routing, and condition. Check that
the purge valve, if the vehicle has
one, works properly. Replace as
needed.
b)
Or every four years, whichever
comes first.
c)
Do not directly power wash the
transfer case output seals. High
pressure water can overcome the
seals and contaminate the transfer
case fluid. Contaminated fluid will
decrease the life of the transfer
case and should be replaced.
d)
Or every five years, whichever
comes first. See
Cooling System on
page 10
‑
16
.
e)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
Special Application
Services
.
Severe Commercial Use
Vehicles Only: Lubricate
chassis components every
5 000 km/3,000 mi.
.
Have underbody flushing service
performed once a year.
Additional
Maintenance and Care
Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional
maintenance services may be
required. It is recommended that
your dealer perform these services
—
their trained dealer technicians
know your vehicle best. Your dealer
can also perform a thorough
assessment with a multi
‐
point
inspection to recommend when your
vehicle may need attention. The
following list is intended to explain
the services and conditions to look
for that may indicate services are
required.