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 MANUALSCHEVROLET2005TRAILBLAZER 4WD V8-5.3L VIN MREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSGENERAL ENGINE DATA
2005 Chevrolet TrailBlazer 4WD V8-5.3L VIN M
General Engine Data
2005 Chevrolet TrailBlazer 4WD V8-5.3L VIN MSECTION General Engine Data
GENERAL ENGINE DATA
Engine Type V8
Displacement 5.3L (325 CID)
RPO LH6
VIN M
Bore 96.0-96.018 mm (3.779-3.78 in)
Stroke 92.0 mm (3.622 in)
Compression Ratio 9.95:1
Firing Order 1-8-7-2-6-5-4-3
Displacement-on-Demand Cylinders 1-4-6-7
Spark Plug Gap 1.02 mm (0.04 in)
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.