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 MANUALSCHEVROLET2009TRAILBLAZER 2WD L6-4.2LPARTS AND LABORTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLELABOR TIMES
2009 Chevrolet TrailBlazer 2WD L6-4.2L
Automatic Transmission/Transaxle: Labor Times
2009 Chevrolet TrailBlazer 2WD L6-4.2LSECTION Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Diagnose/Test | ||||
| Oil Leak, Diagnosis | 0.8 | 0.0 | B | Includes: Clean And Dry Outside Of Case And Operating Unit To Determine Point Of Leakage. |
| Transmission, Diagnosis | 1.8 | 0.0 | A | Includes: Time To Hook-Up And Disconnect Test Equipment. Checking System For Fault Codes, Road Test And Hydraulic Pressure Test As Required. |
| Replace | ||||
| Complete Assembly Without Transfer Of Parts | ||||
| 4L60E, 4L65E, 4L70E | 6.0 | 0.0 | B | |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.0 | B | |
| To R&R Driveplate, Add | 0.2 | 0.0 | B | |
| To R&R Torque Converter, Add | 0.2 | 0.0 | B | |
| Complete Assembly With Transfer Of Parts | ||||
| 4L60E, 4L65E, 4L70E | 6.6 | 4.4 | B | |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| To R&R Driveplate, Add | 0.2 | 0.2 | B | |
| To R&R Torque Converter, Add | 0.2 | 0.0 | B | |
| To Flush Cooler Lines, Add | 0.6 | 0.0 | B | |
| Overhaul/Rebuild | ||||
| 4L60E, 4L65E, 4L70E | 13.7 | 0.0 | A | |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| To Overhaul Valve Body, Add | 1.5 | 0.7 | A | |
| To R&R Torque Converter, Add | 0.2 | 0.0 | A | |
| To Flush Cooler Lines, Add | 0.6 | 0.0 | A |
RENDER: 1.0x
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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.