Front Axle
When to Check and Change Lubricant
Refer to the Maintenance Schedule to determine how
often to check the lubricant and when to change it.
How to Check Lubricant
To get an accurate reading, the vehicle should be on a
level surface.
If the level is below the bottom of the ®ller plug hole,
you may need to add some lubricant.
When the differential is cold, add enough lubricant to
raise the level to 1/2 inch (12 mm) below the ®ller
plug hole.
When the differential is at operating temperature
(warm), add enough lubricant to raise the level to the
bottom of the ®ller plug hole.
What to Use
Refer to the Maintenance Schedule to determine what
kind of lubricant to use. SeePart D: Recommended
Fluids and Lubricants on page 6-18.
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ApplicationL6 Engine V8 Engine
English Metric English Metric
Differential Fluid
Rear 3.6 pints 1.7 L 4.3 pints 2.0 L
Front 1.7 pints 0.8 L 1.7 pints 0.8 L
Fuel Tank
TrailBlazer 22.0 gallons 83.3 L Ð Ð
TrailBlazer EXT 25.3 gallons 95.8 L 25.3 gallons 95.8 L
All capacities are approximate. When adding, be sure to ®ll to the appropriate level, as recommended in this
manual. Recheck the ¯uid level after ®lling.
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