Schedule Additional Required; Service and Maintenance- Page 405

Black plate (9,1)

Buick Enclave Owner Manual - 2012

Service and Maintenance

11-9

Footnotes

—

Maintenance

Schedule Additional Required
Services

—

Severe

a)

Or every two years, whichever

comes first.

b)

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.

c)

Or every four years, whichever

comes first.

d)

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.

e)

Or every five years, whichever

comes first. See

Cooling System on

page 10

‑

13

.

f)

Or every 10 years, whichever

comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.