11-8 Service and Maintenance
Footnotes — Maintenance
Schedule Additional Required
Services — Severe
a) 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.
b) Or every four years, whichever
comes first.
c) Or every five years, whichever
comes first. See Cooling System
(Engine) on page 10‑15 or Cooling
System (High Voltage Battery) on
page 10‑16 or Cooling System
(Power Electronics and Charger
Modules) on page 10‑17.
d) 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.
.
Have air conditioning system
flushed and refilled and
desiccant replaced every ten
years.
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