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Cadillac CTS/CTS-V Owner Manual - 2011
11-6 Service and Maintenance
.
All‐wheel‐drive vehicles only:
Transfer case fluid change
(severe service) for vehicles
mainly driven in heavy city
traffic in hot weather, in hilly
or mountainous terrain, when
frequently towing a trailer,
or used for taxi, police,
or delivery service. 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.
.
CTS‐V only: Rear axle fluid
change (severe service only)
for vehicles mainly driven in hilly
or mountainous terrain, when
frequently towing a trailer, used
for high speed or competitive
driving, or used for taxi, police,
or delivery service. See your
dealer.
First Engine Oil Change After
Every 160 000 km/100,000 Miles
.
Automatic transmission fluid
change (normal service). See
Automatic Transmission Fluid on
page 10‑14.
.
All‐wheel‐drive vehicles only:
Transfer case fluid change
(normal service). 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 wire inspection. An
Emission Control Service.
.
CTS‐V only: Supercharger
drive belt inspection for fraying,
excessive cracks, or obvious
damage and replacement,
if needed.
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 Cooling
System on page 10‑18. An
Emission Control Service.
.
6.2L supercharged V8 engine
only: Intercooler system
drain, flush, and refill (or
every five years, whichever
occurs first). See Cooling
System 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.