2001 GMC ENVOY spark plugs replace

6-73 Capacities
Please refer to ªRecommended Fluids and Lubricantsº
in the Index for more information.
Cooling System*
Automatic Trans. 11.7 quarts (11.1 L). . . . . . . . . . . .
Manual Trans. 11.9 quarts (11.3 L). . . . . . . . . . . . . .
Crankcase* 4.5 quarts (4.3 L). . . . . . . . . . . . . . . . .
Automatic Transmission
(Drain and Refill)* 5.0 quarts (4.7 L). . . . . . . . .
Differential Fluid
Rear 4.0 pints (1.9 L). . . . . . . . . . . . . . . . . . . . . . . .
Front 2.6 pints (1.2 L). . . . . . . . . . . . . . . . . . . . . . .
Fuel Tank
(2
-Door Models) 19.0 U.S. gallons (72.0 L). . . .
Fuel Tank
(4
-Door Models) 18.0 U.S. gallons (68.0 L). . . .
A/C Refrigerant See refrigerant charge label. . . . . .
under the hood.
*All capacities are approximate. After refill, the level
must be checked.
Normal Maintenance
Replacement Parts
Replacement part numbers listed in this section are
based on the latest information available at the time of
printing, and are subject to change. If a part listed in this
manual is not the same as the part used in your vehicle
when it was built, or if you have any questions, please
contact your GM dealer.
Thermostat** 12559051. . . . . . . . . . . . . . . . . . . . . . .
Oil Filter* (2
-Wheel Drive) PF47 (PF52 Optional). . .
Oil Filter* (4
-Wheel Drive) PF52. . . . . . . . . . . . . . . .
Air Cleaner Filter* A1163C. . . . . . . . . . . . . . . . . . . . .
PCV Valve* CV769C. . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Transmission Filter Kit** 24200796. . . .
Spark Plugs* 41
-932 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Filter* GF481. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Windshield
Wiper Blade Trico 20 inches (50.8 cm). . . . . . . . . .
Backglass Wiper Blade Trico 14 inches (35.6 cm). . .
*ACDelco

Part No.
**GM Part No.
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Short Trip/City Scheduled Maintenance
7-29
100,000 Miles (166 000 km)

Inspect spark plug wires.
An Emission Control Service.

Replace spark plugs.
An Emission Control Service.

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. Manual transmission fluid doesn't
require change.

Automatic Transfer Case Only: Change transfer case fluid.

Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
150,000 Miles (240 000 km)

Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See ªEngine Coolantº in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
cooling system and pressure cap.
An Emission Control Service.
ACTUAL
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DATE
ACTUAL
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DATE
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Long Trip/Highway Scheduled Maintenance
7-41
100,000 Miles (166 000 km)

Inspect spark plug wires.
An Emission Control Service.

Replace spark plugs.
An Emission Control Service.

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. Manual transmission fluid doesn't
require change.

Automatic Transfer Case Only: Change transfer case fluid.

Inspect Positive Crankcase Ventilation (PCV) valve.
An Emission Control Service.
150,000 Miles (240 000 km)

Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See ªEngine Coolantº in the Index 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.
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
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