GMC 2003 Savana Van Owner's Manual page 358

0 Replace fuel filter. An Emission Control Service.
0 Vehicles With GVWR Above 10,000 Ibs. Only:
(See footnote j . )
Inspect shields for damage or looseness. Adjust or
replace as required. This is a Noise Emission Control
Service. Applicable only to vehicles sold in the
United States.
0 Rotate tires. See Tire lnspection and Rotation on
page 5-62 for proper rotation pattern and additional
information. (See footnote +.)
97,500 Miles (162 500 km)
D Check readfront axle fluid level and add fluid as
needed. Check constant velocity joints and axle seals
for leaking.
page 5-62 for proper rotation pattern and additional
information. (See footnote +.)
0
Rotate tires. See Tire lnspection and Rotation on
100,000 Miles (166 000 km)
0
Inspect spark plug wires. An Emission Control
D Replace spark plugs. An Emission Control Service.
Service.
0 Change automatic transmission fluid and filter if the
vehicle's GVWR is over 8600 Ibs or if the vehicle is
mainly driven under one or more
o f
these conditions:
-
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C) or
higher.
-
In hilly or mountainous terrain.
-
When doing frequent trailer towing.
-
Uses such as found in taxi, police or delivery
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.
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 5-24 for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system
and pressure cap. An Emission Control Service.
CI Inspect engine accessory drive belt. An Emission
Control Service.
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