2003 CHEVROLET TRACKER lug pattern

qChange differential ¯uid.
qInspect propeller shafts and U-joints for looseness and
damage (or every 15 months, whichever occurs ®rst).
Inspect more frequently if used off-road or for pulling a
trailer. Tighten U-joint ¯ange bolts if necessary.
18,000 Miles (30 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
qIf Equipped: Inspect passenger compartment air ®lters.
qRotate tires. See
Tire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote +.)
21,000 Miles (35 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
24,000 Miles (40 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
qIf Equipped: Inspect passenger compartment air ®lters.
qRotate tires. See
Tire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote +.)
27,000 Miles (45 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
30,000 Miles (50 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
qIf Equipped: Replace passenger compartment
air ®lters.
qInspect fuel tank, cap and lines for damage or leaks.
Inspect fuel cap gasket for any damage. Replace
parts as needed.
An Emission Control Service.
(See footnote ².)
qInspect engine accessory drive belts (or every
30 months, whichever occurs ®rst).An Emission
Control Service.
qDrain, ¯ush and re®ll cooling system (or every
30 months, whichever occurs ®rst). SeeEngine
Coolant on page 5-28for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure
cap.
An Emission Control Service. (See footnote ².)
qInspect ignition coil plug cap (or every 30 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote ².)
6-9

54,000 Miles (90 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
qIf Equipped: Inspect passenger compartment
air ®lters.
qRotate tires. See
Tire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote +.)
57,000 Miles (95 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
60,000 Miles (100 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
qIf Equipped: Replace passenger compartment
air ®lters.
qChange automatic transmission ¯uid and ®lter if the
vehicle is mainly driven under one or more of these
conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC) or
higher.
þ In hilly or mountainous terrain.þ When doing frequent trailer towing.
þ Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the ¯uid and ®lter every
100,000 miles (166 000 km).
qInspect engine accessory drive belts (or every
30 months, whichever occurs ®rst).An Emission
Control Service.
qDrain, ¯ush and re®ll cooling system (or every
30 months, whichever occurs ®rst). SeeEngine
Coolant on page 5-28for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure cap.
An Emission Control Service. (See footnote ².)
qReplace spark plugs.An Emission Control Service.
qInspect ignition coil plug cap (or every 30 months,
whichever occurs ®rst).An Emission Control Service.
qDrain, re®ll and bleed the brake system.
qInspect fuel tank, cap and lines for damage or leaks.
Inspect fuel cap gasket for any damage. Replace parts
as needed.
An Emission Control Service.
(See footnote ².)
6-12

87,000 Miles (145 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
90,000 Miles (150 000 km)
qChange engine oil and ®lter (or every 3 months,
whichever occurs ®rst).An Emission Control Service.
qIf Equipped: Replace passenger compartment
air ®lters.
qInspect automatic transmission ¯uid hose (or every
45 months, whichever occurs ®rst).
qChange automatic transmission ¯uid and ®lter if the
vehicle is mainly driven under one or more of these
conditions:
þ In heavy city traffic where the outside
temperature regularly reaches 90ÉF (32ÉC)
or higher.
þ In hilly or mountainous terrain.
þ When doing frequent trailer towing.
þ Uses such as found in taxi, police or delivery
service.
If you do not use your vehicle under any of these
conditions, change the ¯uid and ®lter every
100,000 miles (166 000 km).
qInspect engine accessory drive belts (or every
30 months, whichever occurs ®rst).An Emission
Control Service.
qInspect fuel tank, cap and lines for damage or leaks.
Inspect fuel cap gasket for any damage. Replace
parts as needed.
An Emission Control Service.
(See footnote ².)
qInspect ignition coil plug cap (or every 30 months,
whichever occurs ®rst).An Emission Control
Service.
qDrain, ¯ush and re®ll cooling system (or every
30 months, whichever occurs ®rst). SeeEngine
Coolant on page 5-28for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure
cap.
An Emission Control Service. (See footnote ².)
qReplace engine air cleaner ®lter. SeeEngine
Air Cleaner/Filter on page 5-20for more information.An Emission Control Service.
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote +.)
qChange manual transmission ¯uid.
qChange transfer case ¯uid.
6-15

qDrain, ¯ush and re®ll cooling system (or every
30 months, whichever occurs ®rst). SeeEngine
Coolant on page 5-28for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure
cap.
An Emission Control Service. (See footnote ².)
qInspect ignition coil plug cap (or every 30 months,
whichever occurs ®rst).An Emission Control
Service. (See footnote ².)
qReplace engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-20for more information.An Emission Control Service.
qInspect fuel tank, cap and lines for damage or leaks.
Inspect fuel cap gasket for any damage. Replace
parts as needed.
An Emission Control Service.
(See footnote ².)
qChange manual transmission ¯uid.
qChange transfer case ¯uid.
qChange differential ¯uid.
qReplace fuel ®lter (or every 30 months, whichever
occurs ®rst, or sooner if ®lter is clogged).
An Emission
Control Service. (See footnote ².)
qInspect propeller shafts and U-joints for looseness and
damage (or every 15 months, whichever occurs ®rst).
Inspect more frequently if used off-road or for pulling a
trailer. Tighten U-joint ¯ange bolts if necessary.
37,500 Miles (62 500 km)
qChange engine oil and ®lter (or every 7.5 months,
whichever occurs ®rst).An Emission Control
Service.
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote +.)
45,000 Miles (75 000 km)
qChange engine oil and ®lter (or every 7.5 months,
whichever occurs ®rst).An Emission Control
Service.
qInspect engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-20for more information.An Emission Control Service. (See footnote ².)
qIf Equipped: Inspect passenger compartment air
®lters.
qInspect automatic transmission ¯uid hose (or every
45 months, whichever occurs ®rst).
6-19

qDrain, ¯ush and re®ll cooling system (or every
30 months, whichever occurs ®rst). SeeEngine
Coolant on page 5-28for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure
cap.
An Emission Control Service. (See footnote ².)
qReplace spark plugs.An Emission Control Service.
qInspect ignition coil plug cap (or every 30 months,
whichever occurs ®rst).An Emission Control
Service.
qReplace engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-20for more information.An Emission Control Service.
qInspect fuel tank, cap and lines for damage or leaks.
Inspect fuel cap gasket for any damage. Replace
parts as needed.
An Emission Control Service.
(See footnote ².)
qChange manual transmission ¯uid.
qChange transfer case ¯uid.
qChange differential ¯uid.
qReplace fuel ®lter (or every 30 months, whichever
occurs ®rst.
An Emission Control Service.
(See footnote ².)
qInspect emission system hoses and replace as
necessary.An Emission Control Service.
(See footnote ².)
qInspect propeller shafts and U-joints for looseness and
damage (or every 15 months, whichever occurs ®rst).
Inspect more frequently if used off-road or for pulling a
trailer. Tighten U-joint ¯ange bolts if necessary.
qDrain, re®ll and bleed the brake system.
67,500 Miles (112 500 km)
qChange engine oil and ®lter (or every 7.5 months,
whichever occurs ®rst).An Emission Control Service.
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote +.)
75,000 Miles (125 000 km)
qChange engine oil and ®lter (or every 7.5 months,
whichever occurs ®rst).An Emission Control Service.
qInspect engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-20for more information.An Emission Control Service. (See footnote ².)
qIf Equipped: Inspect passenger compartment
air ®lters.
6-21

qDrain, ¯ush and re®ll cooling system (or every
30 months, whichever occurs ®rst). SeeEngine
Coolant on page 5-28for what to use. Inspect hoses.
Clean radiator, condenser, pressure cap and neck.
Pressure test the cooling system and pressure
cap.
An Emission Control Service. (See footnote ².)
qInspect ignition coil plug cap (or every 30 months,
whichever occurs ®rst).An Emission Control Service.
qReplace engine air cleaner ®lter. SeeEngine Air
Cleaner/Filter on page 5-20for more information.An Emission Control Service.
qInspect fuel tank, cap and lines for damage or
leaks. Inspect fuel cap gasket for any damage.
Replace parts as needed.
An Emission Control
Service. (See footnote ².)
qChange manual transmission ¯uid.
qChange transfer case ¯uid.
qChange differential ¯uid.
qReplace fuel ®lter (or every 30 months, whichever
occurs ®rst.
An Emission Control Service.
(See footnote ².)
qInspect propeller shafts and U-joints for looseness and
damage (or every 15 months, whichever occurs ®rst).
Inspect more frequently if used off-road or for pulling a
trailer. Tighten U-joint ¯ange bolts if necessary.
qRotate tires. See
Tire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote +.)
97,500 Miles (162 500 km)
qChange engine oil and ®lter (or every 7.5 months,
whichever occurs ®rst).An Emission Control Service.
qRotate tires. SeeTire Inspection and Rotation on
page 5-60for proper rotation pattern and additional
information.(See footnote +.)
100,000 Miles (166 000 km)
qIf you haven't used your vehicle under severe service
conditions listed previously and, therefore, haven't
changed your automatic transmission ¯uid, change
both the ¯uid and ®lter.
120,000 Miles (200 000 km)
qReplace evaporative emissions canister and air
suction ®lter (or every 120 months, whichever occurs
®rst).
An Emission Control Service.
6-23