Buick 2011 Enclave User Manual Page 393

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Black plate (5,1)
Buick Enclave Owner Manual - 2011
Service and Maintenance 11-5
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.
.
Evaporative control system
inspection. Check all fuel and
vapor lines and hoses for proper
hookup, 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
change (normal service). See
Automatic Transmission Fluid on
page 1011.
.
Spark plug replacement and
spark plug wires inspection. An
Emission Control Service.
.
Allwheel drive 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.
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 1014. 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.
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