service CHEVROLET TRACKER 1993 Repair Manual

Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
I
... 286
Schedule I
Follow Schedule I if your vehicle is
MAINLY driven under one or more of
the following conditions:
When most trips are less than 4 miles
When most trips are less than 10 miles
(6 km).
(16 km) and outside temperatures
remain below freezing.
When most trips include extended
idling and/or frequent low-speed
operation, as
in stop-and-go traffic.
When towing a trailer.
When operating in dusty areas.
Schedule I should also be followed if
the vehicle is used for delivery service,
police, taxi
or other commercial
applications.
*An Emission Control Service.
* The U. S. Environmental Protection Agency
has determined that the failure to perform
this maintenance item will not nullify the
emission warranty or limit recall liability
prior to the completion
of vehicle useful life.
General Motors, however, urges that all
recommended maintenance services be
performed at the indicated intervals and the
maintenance be recorded in "Section E:
Maintenance Record.
' '
ITEM
NO.
2
4
~
14
16
18
WHAT TO SERVICE
See "Explanation of Scheduled Maintenance
Services "following Schedules
t and It.
WHEN TO PERFORM
Miles (kilometers) or Months
(whichever occurs first).
PCV Valve Replacement* I Every 50,000 Miles (83 OOO km).
ECM & Associated Sensors Insmtion* I Every 100,OOO Miles (166 OOO h).
Power Steering System Inspection I Every 7,500 Miles (12 500 km) or 7.5 Months.
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The services shown in this schedule up to 60,OOO miles (100 OOO km) should be
performed after 60,OOO miles (100 OOO km) at the same intervals,
MILES (0001
3 16 17.5 19 112115118121 b2.5124127130133136137.5139142145148150151 )52.51541571 60
287 . . .
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
Schedule I/
Follow Schedule I1 ONLY if none of
the driving conditions specified in
Schedule
I apply.
BAn Emission Control Service.
The
U. S. Environmental Protection Agency
has determined that the failure to pedorm
this maintenance item will not nullify the
emission warranh, or limit recall liability
I I I
WHAT TO SERVICE
ITEM See "Explanation of Scheduled Maintenance
NO. Services "following Schedules I and II.
I
WHEN TO PERFORM
Miles (kilometers) or Months
(whichever occurs first).
I nrior to the cornthetion of vehicle useful life. I 12 I Oxygen Sensor Replacement* I Every 80,OOO Miles (133 oO( I-.--- -- -- I~- ~ .I I General Motors, however, urges thaiall
recommended maintenuncP
ront;rnr ho I
I 16 I Emission Svstem Hoses Insaxtion* I Everv 60.0o0 Miles (100 oO(
18 I Power Steering system Inspection I Every 7,500 Miles (12 500 km) or 7.5 Months. I I
... 288
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The services shown in this schedule up to 100,OOO miles (160 OOO km) should be
performed after 100,OOO miles (160 OOO km) at the same intervals.
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
Dplanatiun of Scheduled Maintenance Services
Below are explanations of the services listed in Schedules I
and 11.
290
ITEM
NO.
1
2
SERVICE
Engine Oil and Filter Change* - Always use SG
Energy Conserving I1 Oils of proper viscosity. The
SG designation may be shown alone or in
combination with others, such as SG/CC, SG/CD,
or SF, SG, CC, etc. To determine the preferred
viscosity for your vehicle’s engine (e.g., SAE
5W-30 or 1OW-30) see “Engine Oil’’ in the Index.
Engine Idle Speed Check* - Check the idle speed
and adjust it to underhood label specifications.
*An Emission Control Service.
The proper fluids and lubricants to use are listed in Section
D. Make sure whoever services your vehicle uses these. All
parts should be replaced and all necessary repairs done
before
you or anyone else drives the vehicle.
ITEM
NO. SERVICE
3 Cooling System Service* - Drain, flush and refill
the system with new or approved recycled coolant
conforming to
GM Specification 4038M. Keep
coolant at
the proper mixture as specified. See
“Coolant”
in the Index. This provides proper freeze
protection, corrosion inhibitor level, and engine
operating temperature.
Inspect hoses and replace
if they are cracked,
swollen, or deteriorated. Tighten screw-type hose
clamps. Clean the outside of the radiator and air
conditioning condenser. Wash
the pressure cap and
neck.
To help ensure proper operation, we recommend a
pressure test of both
the cooling system and the
pressure cap.
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ITEM
NO. SERVICE
4 Transmission (AlI)/Transfer Case (Four-wheel
Drive) Service
- For the manual transmission and
transfer case, check the fluid level every
time the oil
is changed. See “Manual Transmission Fluid” and
“Transfer Case”
in the Index. Inspect for damage
and leaks and change the fluid the first time at
7,500
miles (12 500 km) and then every 15,000 miles
(25 000 km) or 15 months for Schedule I conditions
and every
30,000 miles (50 OOO km) or 30 months
for Schedule
I1 conditions.
For the automatic transmission, check the fluid level
every time the oil is changed. See “Automatic
Transmission Fluid”
in the Index. Inspect for
damage and leaks and change the
fluid every 15,000
miles (25 OOO km) or 15 months for Schedule I
conditions and
100,OOO miles (166 000 km) for
*An Emission Control Service.
ITEM
NO. SERVICE
Schedule I1 conditions. Replace the automatic
transmission cooler hoses every
45,000 miles
(75 000 km).
5 Rear Axle (All) and Front Axle (Four-wheel
Drive) Fluid Change
- Drain and refill with the
proper lubricant. See “Recommended Fluids and
Lubricants”
in the Index.
6 Spark Plug Replacement* - Replace spark plugs
with the proper type. See “Replacement Parts’’ in
the Index.
291
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
ITEM
NO. SERVICE
7 Distributor Cap and Spark Plug Wire
Inspection*
- Inspect for burns, cracks or other
damage. Check the boot
fit at the distributor and at
the spark plugs. Replace wires as needed. Operation
in extreme cold and/or on salted roads may require
more frequent replacement.
Replacement* - Inspect valve for proper function.
Replace the valve every
50,000 miles (83 OOO km)
as well as any worn, plugged or collapsed hoses.
8 Positive Crankcase Ventilation (PCV) Valve
ITEM
NO. SERVICE
9 Exhaust Gas Recirculation (EGR) System
Inspection*
- Inspect at 50,000 mile (83 OOO km)
intervals.
Replacement* - Inspect at each oil change.
Replace
every 30,000 miles (50 000 km) or more
often under dusty conditions.
Ask your dealer for
the proper replacement intervals for your driving
conditions.
If your vehicle is equipped with a
crankcase ventilation filter, replace
it too.
10 Air Cleaner Filter (PCV Filter, if Equipped)
1 *An Emission Control Service.
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ITEM
NO. SERVICE
11 Fuel Tank, Cap and Lines Inspection** -
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 OOO km).
Replace parts as needed. Replace the cap and gasket
at
60,OOO mile (100 OOO km) intervals.
12 Oxygen Sensor Replacement* - Replace at 80,000
miles (133 OOO km).
ITEM
NO. SERVICE
13 Charcoal Canister Replacement* - Replace at
100,OOO mile
(166 OOO km) intervals.
14 Engine Control Module (ECM) and Associated
Sensors Inspection*
- Inspect at 100,OOO mile
(166 OOO km) intervals.
15 Fuel Injector Inspection* - Inspect at 100,OOO
mile (166 OOO km) intervals.
*An Emission Control Service.
*The
U. S. Environmental Protection Agency has determined that the failure to pe~orm this maintenance item will not nullify the emission
warranty or limit recall liability prior to the completion
of vehicle useful life. General Motors, however, urges that all recommended
maintenance services be pe~ormed at the indicated intervals and the maintenance be recorded in “Section
E: Maintenance Record. ”
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
ITEM
NO. SERVICE
16 Emission System Hoses Inspection* - Inspect at
60,OOO mile (lo0 OOO km) intervals.
17 Catalytic Converter Inspection* - Inspect at
100,OOO mile (166 OOO km) intervals. At each oil
change, inspect the entire exhaust system for leaks
and loose fittings, especially if the vehicle is used
off-road.
*An Emission Control Service.
9 9 294
ITEM
NO. SERVICE
18 Power Steering System Inspection - Check the
power steering gear box, pump and hose connections
for leaks
or damage. Check the fluid level on the
dipstick.
See “Power Steering Fluid” in the Index.
Check the drive belt for cracks, fraying and wear.
Check belt tension. There should be
0.24”-0.35”
(6-9 mm) deflection when you press your thumb
midway between the pulleys. Adjust or replace belt
as needed.
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Other Emission Related Mainfenance Setvice
ITEM
NO. SERVICE
1 Valve Clearance Adjustment* - Inspect the valve
lash every
15,000 miles (25 000 km) and adjust if
necessary.
2 Camshaft Timing Belt Adjustment* - Inspect and
adjust if necessary at
60,000 miles (100 OOO km), and
every 30,000 miles (50 OOO km) thereafter.
3 Fan (Water Pump) Drive Belt Service* - Inspect
and adjust if necessary at
30,000 miles (50 000 km), or
30 month intervals. Replace the belt at 60,000 miles
(100
OOO km) and 120,000 miles (200 OOO km).
*An Emission Control Service.
ITEM
NO. SERVICE
4 Wiring Harness and Connectors Inspection* - At
60,000 miles (100 OOO km), or 60 month intervals,
inspect
the underhood wiring harness for loose
connections, chafed wires and damage, especially if
used extensively for off-road driving.
underhood label specifications,
if necessary, at
60,000 mile (100 000 km) intervals.
6 Fuel Filter* - Replace the fuel filter every 30,000
miles (50 OOO km), or sooner if clogged.
5 Engine Timing Check* - Adjust the timing to
295 9
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