Chevrolet 2012 Avalanche User Manual Page 434

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Black plate (8,1)
Chevrolet Avalanche Owner Manual - 2012 - crc 2nd edition - 11/7/11
11-8 Service and Maintenance
Footnotes Maintenance
Schedule Additional Required
Services Severe
a) 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.
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 1016.
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
multipoint 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.
Battery
The battery supplies power to start
the engine and operate any
additional electrical accessories.
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