1998 GMC ENVOY oil temperature

Maintenance Schedule
I Short Trip/City Definition I
Follow the Short TripKity Maintenance Schedule if any
one of these conditions is true for your vehicle:
Most trips are less than 5 to 10 miles (8 to 16 km).
This is particularly important when outside
temperatures are below freezing.
Most trips include extensive idling (such as frequent
driving in stop-and-go traffic).
off-road frequently.
You operate your vehicle in dusty areas 6r
0 You frequently tow a trailer or use a carrier on top of
your vehicle.
or other commercial application.
If the vehicle is used for delivery service, police, taxi
One
of the reasons you should follow this schedule if
you operate your vehicle under any of these conditions
is that these conditions cause engine oil
to break
down soonel:
Short Trip/City Intervals
Every 3,000 Miles (5 000 km): Engine Oil and Filter
Change (or
3 months, whichever occurs first). Chassis
Lubrication (or
3 months, whichever occurs first). Drive
Axle Service (or
3 months, whichever occurs first).
Every 6,000 Miles (10 000 km): Tire Rotation.
Every 15,000 Miles (25 000 km): Air Cleaner Filter
Inspection,
if driving in dusty conditions. Automatic
Transmission Service (severe conditions only).
Every 30,000 Miles (50 000 km): Air Cleaner Filter
Replacement. Fuel Filter Replacement.
Every 50,000 Miles (83 000 km): Automatic
Transmission Service (normal conditions).
Every 60,000 Miles (100 000 km): Engine
Accessory Drive Belt Inspection. Fuel Tank, Cap and
Lines Inspection.
Every 100,000 Miles (166 000 km): Spark Plug Wire
Inspection. Spark Plug Replacement. Positive
Crankcase Ventilation (PCV) Valve Inspection.
(Continued)
-- 7-5
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Short TripKity Maintenance Schedule
15,000 Miles (25 000 kin) (Continued)
0 Check rear/front 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 the.se conditions:
- In heavy city traffic where the outside temperature regularly reaches 90°F
(32°C) or higher.
18,000 Miles (30 000 km)
0 Change engine oil and filter (or every 3 months, whichever occ~lrs first).
0 Lubricate chassis components (or every 3 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
AI? E1nissior? Coutr-01 Service.
(See footnote #.)
velocity joints and axle seals for leaking. (See footnote ';":'.)
rotation pattern and additional information. (See footnote +.)
DATE
7-10
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1 Short TripKity Maintenance Schedule I
27,000 Miles (45 000 kin) (Continued)
0 Lubricate chassis components (or every 3 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check constant
(See footnote
#.)
velocity
joints and axle seals for leaking. (See footnote **.)
30,000 Miles (50 000 km)
0
0
0
0
Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every
3 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
**.)
Replace fuel filter.
An Emission Control Service. (See footnote?.)
Replace air cleaner filter.
An Emission Control Service.
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
7-12
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.
I i
DATE I
I MILEAGE ACTUAL I SERVICEDBY: I
ProCarManuals.com

Short TripKity Maintenance Schedule
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
velocity
joints and axle seals for leaking. (See footnote
**.)
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.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
If you do nut use your vehicle under any of these conditions, change the fluid
and filter every 50,000 miles (83 000 km).
Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote?.)
48,000 Miles (80 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs first).
Lubricate chassis components (or every 3 months, whichever occurs first).
An Emissiorz Control Service.
(See footnote
#.)
DATE I
(Continued)
7-15
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I Short Trip/City Maintenance Schedule I
75,000 Miles (125 000 km)
0
Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
Lubricate chassis components (or every
3 months, whichever occurs first).
(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.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
Ifyou do not
use your vehicle under any of these conditions, change the fluid
andfilter every
50,000 miles (83 000 km).
Inspect air cleaner filter if you are driving in dusty conditions.
Replace filter if necessary,
An Emission Control Service. (See footnote?.)
Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
**.)
(32" C) or higher.
DATE 1
I MILEAGE ACTUAL I SERVICEDBY I
7-21
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I Short TripKity Maintenance Schedule I
90,000 Miles (1.50 000 km) (Co1ztimrt.d)
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.
- 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).
An Emission Control Service. (See footnote?.)
An Emission Control Service.
rotation pattern and additional information. (See footnote
+.)
0 Replace fuel filter.
Replace air cleaner filter.
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
93,000 Miles (155 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs first).
0 Lubricate chassis components (or every 3 months, whichever occurs first).
An Emission Control Service.
(See footnote
#.)
DATE I
MILEAGE ACTUAL I SERVICED BY:
7-24
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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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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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