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 MANUALSGMC2019SIERRA 1500 LIMITED BASE, RWD, GASREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION - 6L80 (MYC) OR 6L90 (MYD) - COMPONENT LOCATORCOMPONENT LOCATORDISASSEMBLED VIEWSOUTPUT SHAFT ASSEMBLY

2019 GMC Sierra 1500 Limited Base, RWD, Gas

Output Shaft Assembly

2019 GMC Sierra 1500 Limited Base, RWD, GasSECTION Output Shaft Assembly

Fig 1: Exploded View Of Output Shaft Assembly

Callout	Component Name
493	Output Internal Gear - Model Dependent
494	Output Carrier Internal Gear Retaining Ring
495	Output Carrier Internal Front Gear
496	Output Carrier Internal Gear Spacer
497	Output Carrier Internal Rear Gear
498	Output Carrier Bushing
499	Output Shaft - Model Dependent

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.