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Cadillac Escalade EXT Owner Manual - 2011
11-6 Service and Maintenance
.
Evaporative control system
inspection. 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. An
Emission Control Service. The
U.S. Environmental Protection
Agency or the California Air
Resources Board has
determined that the failure to
perform this maintenance item
will not nullify the emission
warranty or limit recall liability
prior to the completion of the
vehicle's useful life. We,
however, urge that all
recommended maintenance
services be performed at the
indicated intervals and the
maintenance be recorded.
First Engine Oil Change After
Every 160 000 km/100,000 Miles
.
Automatic transmission fluid and
filter change (normal service).
See Automatic Transmission
Fluid on page 10‑13.
.
All‐wheel drive only: Transfer
case fluid change (normal
service). Check vent hose at
transfer case for kinks and
proper installation. Check to be
sure vent hose is unobstructed,
clear, and free of debris. During
any maintenance, if a power
washer is used to clean mud
and dirt from the underbody,
care should be taken to not
directly spray 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.
.
Spark plug replacement and
spark plug wires inspection. An
Emission Control Service.
First Engine Oil Change After
Every 240 000 km/150,000 Miles
.
Engine cooling system drain,
flush, and refill (or every
five years, whichever
occurs first). See Engine
Coolant on page 10‑18. An
Emission Control Service.
.
Engine drive belts inspection
for fraying, excessive
cracks, or obvious damage
(or every 10 years, whichever
occurs first). Replace, if needed.