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.
Input & 3RD Sprag Clutches: Reassembly
1998 Buick RivieraSECTION Reassembly
- Position input clutch sprag on a flat surface with lube dam side facing up. Insert end bearing for input and 3rd clutch sprag into outer race. Insert input sprag into outer race. See Figure.
- Position 3rd clutch sprag outer race on flat surface with lube dam side facing down. Lip on 3rd sprag must be facing up. Install center bearing into 3rd clutch. Lip on sprag cage must be facing up. Install 3rd sprag into 3rd clutch outer race. Insert end bearing into 3rd clutch outer race. See Figure.
- Install input sprag onto inner race of input and 3rd clutch sprag. Install 3rd sprag onto inner race. Install retainer onto 3rd clutch sprag outer race.NOTE: Use new retaining rings. DO NOT attempt to reinstall old retaining rings. Ensure spiral lock retaining ring is seated in groove on inner race. Tabs and slots on retaining ring must lock.
- Attach retaining ring installer to arbor press. Use press and small flat blade screwdriver to install retaining ring onto input clutch sprag. Assemble spacer onto input sun gear. Install input and 3rd sprag clutch assemblies onto input sun gear.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.