Cadillac CTS 2018 - Recommended Fluids, Lubricants, and Parts

Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-Europe-11374014) -
2018 - crc - 9/14/17
SERVICE AND MAINTENANCE 321
city traffic in hot weather, in hilly
or mountainous terrain, when
frequently towing a trailer,
or when used for taxi, police,
or delivery service.
Additional Maintenance Every
80 000 km
.
Visually check all fuel and vapour
lines and hoses for proper
attachment, connection, routing,
and condition.
.
Rear axle fluid — replace,
if equipped with limited slip
differential.
Additional Maintenance Every
96 000 km
.
Spark plugs — replace.
Additional Maintenance Every
120 000 km
.
Rear axle fluid — replace, (severe
service) vehicles without limited
slip differential.
Additional Maintenance Every
161 000 km
.
All-wheel-drive vehicles only:
Transfer case fluid change. During
any maintenance, if a power
washer is used to clean mud and
dirt from the underbody, do not
directly power wash the transfer
case and/or front/rear axle output
seals. High pressure water can
overcome the seals and
contaminate the fluid.
Contaminated fluid will decrease
the life of the transfer case and/or
drive axles and should be replaced.
Additional Maintenance Every
240 000 km
.
Rear axle fluid — replace, (normal
service) vehicles without limited
slip differential.
Additional Maintenance Every
250 000 km
.
Engine cooling system drain and
refill. Or every five years,
whichever occurs first.
Conditions Requiring More Frequent
Maintenance (Severe Service)
.
Extreme temperatures.
.
Heavy city traffic.
.
Hilly or mountainous terrain.
.
Dusty, muddy, or off-road
conditions.
.
Commercial use or trailer towing.
.
Most trips less than 6 km.