check engine GMC ENVOY 1998 Workshop Manual

Page 339 of 386

I Long Tripmighway Maintenance Schedule I
7,500 Miles (I2 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
(See footnote
#.)
velocity
joints and axle seals for leaking. (See footnote **.)
rotation pattern and additional information. (See footnote +.)
15,000 Miles (25 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote
#.)
0 Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
**.)
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more
of these conditions:
- In heavy city traffic where the outside temperature regularly reaches 90°F
- In hilly or mountainous terrain.
An
Emission Control
Service.
(32°C) or higher.
DATE I
MILEAGE
DATE
7-28
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I Long TripMighway Maintenance Schedule I
-
- When doing frequent trailer towing.
2 Uses such as found in taxi, police or delivery service.
lfyo~t do not use your vellicle under any qf these conditions, cnnnge the fluid
and
filter every 50,000 miles (83 000 km).
rotation pattern and additional information. (See footnote +.)
0 Rotate tires. See “Tire Inspection and Rotation’’ in the Index for proper
22,500 Miles (37 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Service.
(See footnote
#.)
velocity joints and axle seals for leaking. (See footnote **.)
rotation pattern and additional information. (See footnote +.)
DATE
30,000 Miles (50 000 km)
Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service. MILEAGE
(Continued)
7-29
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37,500 Miles (62 500 km)
Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every I2 months, whichever occurs first).
Check rear/front axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Emission Control Srrvice.
(See footnote #.)
velocity joints and axle seals for leaking. (See footnote
rotation pattern and additional information. (See footnote
+.)
45,000 Miles (75 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every I2 months, whichever occurs first).
(See footnote
#. j
0 Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
?j
0 Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
- In heavy city traffic where the outside temperature regularly reaches 90°F
AI? Emission Coutrol Service.
(32°C) or higher.
I DATE I
SERVICED BY
DATE 1
MILEAGE I SERVICED BY I
(Continued)
7-31
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I
I Long Tripmighway Maintenance Schedule b
45,000 Miles (75 000 km) (Continued)
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
andfilter every
50,000 miles (83 000 km).
rotation pattern and additional information. (See footnote +.)
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
50,000 Miles (83 000 km)
0 If you haven’t used your vehicle under severe conditions listed previously and,
therefore, haven’t changed your automatic transmission fluid, change both the
fluid and filter.
52,500 Miles (87 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
An
Emission Control Service.
(See footnote
#.)
velocity joints and axle seals for leaking. (See footnote **.)
DATE I
MILEAGE SERVICED BY:
I I
~
DATE I
I I I
7-32
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I Long Tripmighway Maintenance Schedule I
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 Change automatic transmission fluid and filter if the vehicle is mainly driven
An
Emission Control Service.
(See footnote
#.)
velocity joints and axle seals for leaking. (See footnote ‘K*.)
under one or more of these conditions:
- In heavy city traffic where the outside temperature regularly reaches 90°F
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and<filter every
50,000 miles (83 000 km).
(32°C) or higher.
(Continued)
DATE I
7-33
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I Long Trip/Highway Maintenance Schedule I
60,000 Miles (100 000 km) (Continued)
0
0
0
0
Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
Inspect engine accessory drive belt.
An Emission Control Service.
Replace fuel filter.
An Emission Control Service. (See footnote?.)
Replace air cleaner filter.
An Emission Control Service.
Inspect 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?.)
67,500 Miles (112 500 Lm)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An Enzission Control Service.
(See footnote
#.)
velocity joints and axle seals for leaking. (See footnote *:k.)
rotation pattern and additional information. (See footnote +.)
I DATE
MILEAGE
7-34
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Page 346 of 386

75,000 Miles (125 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first),
AH Emissior.1 Control Service.
(See footnote
#.)
0 Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
:!:*.)
0 Change automatic transmission fluid and filter if the vehicle is mainly driven
under one
or more of these conditions:
- In heavy city traffic where the outside temperature regularly reaches 90°F
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
(32 "C) or higher.
- Uses such as found in taxi, police or delivery service.
rfvo1.1 do rzot r.1,~ your vehicle 1.1rzder- my of these colditims, change tlleJlld
andfi.ltel-
every 50,000 miles (83 000 km).
0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote
+.)
I I
DATE I
1 MILEAGE ACTUAL I SERVICEDBY I
7-35
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I Long Trip/Highway Maintenance Schedule I
82,500 Miles (137 500 km)
0
Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote
#.)
Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
**.)
Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
90,000 Miles (150 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote
#.)
0 Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
**.)
0 Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more
of these conditions:
- In heavy city traffic where the outside temperature regularly reaches 90°F
- In hilly or mountainous terrain.
(32” C) or higher.
DATE I
MILEAGE
I DATE I
+
MILEAGE ACTUAL SERVICED BY
7-36
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Page 348 of 386

Long Tripmighway Maintenance Schedule 1
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the jluid
andfilter every
50,000 miles (83 000 krn).
An Emission Control Service. (See footnote?.)
An Emission Control Service.
rotation pattern and additional information. (See footnote
+.)
0 Replace fuel filter.
0 Replace air cleaner filter.
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
97,500 Miles (162 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
Check readfront axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
An
Emission Control Service.
(See footnote
#.)
velocity joints and axle seals for leaking. (See footnote **.)
rotation pattern and additional information. (See footnote +.)
DATE
7-37
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Page 350 of 386

Part B: Owner Checks an - Services Engine Coolant Level Check
Listed below are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones,
as shown in
Part D.
At Each Fuel Fill
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See "Engine Oil" in the Index for
further details. Check
the engine coolant
level and add DEX-COOL'
coolant mixture
if necessary. See "Engine Coolant'' in
the Index for further details.
Windshield Washer Fluid Level Cl: -.
Check the windshield washer fluid level in the
windshield washer tank and add the proper fluid
if
necessary. See "Windshield Washer Fluid" in the Index
for further details.
At Least Once a Month
Tire Inflation Check
Make sure tires are inflated to the correct pressures. See
"Tires"
in the Index for further details.
Cassette Deck Service
Clean cassette deck. Cleaning should be done every
SO hours of tape play. See "Audio Systems" in the
Index for further details.
7-39
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