Maintenance
Schedule
sc
1
ection
A:
Scheduled Maintenance
Services
(Cont.)
1
ITEM
NO.
12
13
14
15
SERVICE
Positive Crankcase Ventilation
{PCV) Valve Replacement*
-
Inspect valve for proper
function. Replace
the
valve
every
50,000
miles
(83
000
km)
as
well as
any
worn,
plugged or
collapsed hases.
Exhaust
Gas
Recirculation
{EGR)
System Inspection*
-
lpspect at
50,pOO
mile
(83
000
km) intervals.
Replace every
30,000
miles
(50
ODD
km)
or more often under
dusty conditions.
Ask
your
dealer
for the proper replacement
intervals
for
your driving
qonflitions.
Fuel Tank.
Cap
and Lines
wection*t
-
Inspect fuel tank,
cap, lines and hoses
for
damage
or-leaks. Inspect fuel cap gasket
for
an even filler neck imprint or
any damage at
30,000
miles
(50
000
h).
Replace parts as
Cleaner Filter Replacement*-
ITEM
NO.
16
17
18
19
20
21
SERVICE
needed. Replace the cap and
gasket at
60,000
mile
(100
000
km) intervals.
Fuel Filter Re&uxmmt*
-
Replace the fuel filter every
30,000
miles
(50
000
km), or
sooner if clogged.
Fuel Injector Inspectim*
-
Inspect at
100,000
mile
(
166
000
km)
intervals,
Heated
Own
Sensor
dacemea*
-
Replace
at
80,000 miles (133
000
km).
Etive va E-ns Canister
Redacernent"
-
Replace at
100,000 mile
(166
000
km)
intervals.
me
Control Module
(ECM)
and Associated Sensors
Jnspectipn*
-
Inspect
at
100,000
mile (1.66
000 km)
intervals.
lsslon Svstem
Hoses
Inspection"
-
Inspect at
60,000
mile
(100
OD0
km)
intervals.
0.
..
ITEM
NO.
22
23
SERVICE
Three-way CUytlc Convertex
Jnspection"
-
Inspect at
100,000
mile
(166
000
km) intervals.
At each si1 change, inspect the
entire exhaust system for leaks
and loose fittings, especially
if
the vehicle is used off-road.
E-e
Timing
and
Dlstnbu
tor
Check*
-
Adjust the timing to the
underhood label specifications.
Inspect the inside and outside
of
the distributor cap and rotor for
cracks, carbon tracking and
corrosion. Clean or replace
as
needed.
..
*
An Emission Control Service.
t
The
US.
Environmental Protection Agency
or
the
California
4ir
Resources Eoard has
determined that the failure to perjorm this
maintenance item
will
not nullifjt the emission
warranty or
limit
recall liabiliw prior
to
the
completion
of
vehicle useful life. General
Motors, however, urges that all recommended
maintenance services be petfiimed at the
indicated intervals and the maintenance
be
recorded
in
"Section
E:
Maintenance
Record."
...
21
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