99,000
Miles
(165
000
km)
0
Change engine oil and filter (or every
3
months,
€l
Lubricate chassis components (or every
3
months
0
Check readfront axle fluid level and add fluid as
whichever occurs first).
An Emission Control Service.
whichever occurs first).
(See footnote
#.)
needed. Check constant velocity joints and axle seals
for leaking.
(See footnote
**.)
100,000 Miles
(1
66
000
km)
Cl
Inspect spark plug wires.
An Emission Control
Service.
0
Replace spark plugs.
An Emission Control Service.
0
If
you haven’t used your vehicle under severe service
conditions listed previously and, therefore, haven’t
changed your automatic transmission fluid, change
both the fluid and filter.
Manual transmission fluid doesn’t require change.
0
4.3L
V6 Engine Only: Inspect Positive Crankcase
Ventilation (PCV) valve.
An Emission Control
Service.
150,000 Miles
(240
000 km)
0
Drain, flush and refill cooling system (or every
60 months since last service, whichever occurs first).
See
Engine Coolant on page
5-27
for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test cooling system and
pressure cap.
An Emission Control Service.
Control Service.
c1
Inspect engine accessory drive belt.
An Emission
Long Trip/Highway Scheduled
Maintenance
The services shown in this schedule up to
100,000
miles
(166
000
km) should be repeated after
100,000
miles
(166
000
km) at the same intervals for the life of
this vehicle. The services shown at 150,000 miles
(240
000
km) should be repeated at the same interval
after
150,000
miles
(240
000
km) for the life of this
vehicle.
‘
See
Part
8:
Owner Checks and Services on page
6-25
and
Part C: Periodic Maintenance Inspections on
page
6-30.
6-1
7
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