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 MANUALSACURA20043.5RLREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION OVERHAUL - M5DAADJUSTMENTSPINION BEARING PRELOAD
2004 Acura 3.5RL
Pinion Bearing Preload
2004 Acura 3.5RLSECTION Pinion Bearing Preload
- Tighten drive pinion lock nut to 159 ft. lbs. (216 N.m). Rotate drive pinion several turns to seat bearings.
- Install a dial-type INCH-lb. torque wrench on end of drive pinion. Rotate drive pinion and note pinion bearing preload. Pinion bearing preload should be within specification. See PINION BEARING PRELOAD SPECIFICATIONS table.PINION BEARING PRELOAD SPECIFICATIONS
Application Preload - INCH Lbs. (N.m) New Bearings 16-22 (1.8-2.5) Used Bearings 13-17 (1.4-1.9) - If pinion bearing preload exceeds specification, replace pinion spacer. If pinion bearing preload is less than specified, slightly tighten lock nut until correct pinion bearing preload is obtained.
CAUTION:
DO NOT tighten lock nut to more than 231 ft. lbs. (313 N.m). If pinion bearing preload is still less than specified with lock nut tightened to 213 ft. lbs. (313 N.m), replace pinion spacer.
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.