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.
A/Trans Rear Case Assembly Components
2009 Chevrolet Tahoe Base, 4.8 CSECTION A/Trans Rear Case Assembly Components
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 425 | Hybrid Low, 1-2 Clutch Piston Retaining Ring |
| 426 | Hybrid Low, 1-2 Clutch Backing Plate Assembly |
| 427 | Hybrid Low, 1-2 Clutch Plate Assembly |
| 428 | Hybrid Low, 1-2 Clutch Plate |
| 429 | Hybrid Low, 1-2 Clutch Plate - Waved |
| 430 | Hybrid Low, 1-2 Clutch Return Spring Assembly |
| 431 | Hybrid Low, 1-2 Clutch Piston |
| 432 | Internal Gear - 3rd Position |
| 433 | Internal Gear Thrust Washer - 3rd Position - Steel |
| 434 | Sun Gear Carrier Assembly - 3rd Position |
| 435 | Internal Gear Thrust Bearing Assembly - 2nd Position |
| 436 | Hybrid Direct, 2-3-4 Clutch Hub |
| 437 | Output Shaft Thrust Bearing Assembly |
| 438 | Output Shaft Retaining Ring |
| 439 | Output Shaft Assembly |
| 440 | Hybrid Direct, 2-3-4 Clutch Housing Assembly |
| 441 | Hybrid Direct, 2-3-4 Clutch Housing Thrust Bearing Assembly |
| 442 | Hybrid Direct, 2-3-4 Clutch Housing Seal Ring |
| 443 | Hybrid Direct, 2-3-4 Clutch Support Bolt |
| 444 | Hybrid Direct, 2-3-4 Clutch Support Assembly |
| 445 | Hybrid Direct, 2-3-4 Clutch Support Gasket |
| 446 | Vehicle Speed Sensor Bolt |
| 447 | A/Trans Output Speed Sensor Assembly |
| 448 | A/Trans Output Speed Sensor O-Ring Seal |
| 449 | A/Trans Rear Case Assembly |
| 450 | Park Pawl Shaft |
| 451 | Park Pawl Shaft Hole Plug |
| 452 | Park Pawl Cover Gasket |
| 453 | Park Pawl Cover |
| 454 | Park Pawl Cover Bolt |
| 455 | Park Pawl Actuator Guide Pin |
| 456 | Park Pawl Actuator Guide |
| 457 | Park Pawl Spring |
| 458 | Park Pawl |
| 459 | Internal Gear Thrust Washer - 3rd Position - Plastic |
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.