Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1775 (MANUAL TRANSMISSION - GETRAG 5 SPEED)SPECIFICATIONSLUBRICATION SPECIFICATIONS

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Lubrication Specifications

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Lubrication Specifications

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Application	Specification
Application	Metric	English
Manual Transmission Fluid GM P/N 88861800 (Canadian P/N 88861801)	1.8L (dry) 1.6L (drain and fill)	1.9 qt (dry) 1.7 qt (drain and fill)
When filled, fluid level should be at the bottom of the fluid check plug hole.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.