Transmission Output Shaft Bearing

Replace the transmission output shaft bearing by removing the transmission, disassembling the case, and installing a new bearing with proper preload adjustment.

Warnings

Tools required

Parts

• Transmission output shaft bearing × 1 — Use OEM specification
• Transmission pan gasket × 1 — Use OEM specification
• Transmission case gasket/sealant × 1 — Honda Genuine Bond or equivalent RTV
• Transmission drain plug crush washer × 1 — 94109-20000 or equivalent
• Output shaft snap rings (if reused) × 2 — Use OEM specification
• Axle seals (both sides) × 2 — Use OEM specification
• Transmission mount × 1 — Inspect and replace if worn

Fluids

• Honda DW-1 ATF — 8 qt

Preparation

1. Park vehicle on level surface and engage parking brake
2. Disconnect negative battery cable and isolate terminal
3. Raise vehicle on lift or support securely on jack stands at all four corners
4. Remove engine splash shield and under-body panels for transmission access
5. Remove both front wheels to access axle nuts
6. Take photos of all electrical connectors, shift linkage, and ground wire locations
7. Prepare clean workspace for transmission disassembly with adequate lighting

Procedure

1. 1

   Drain transmission fluid
   Place drain pan under transmission. Remove transmission drain plug and allow fluid to drain completely. Inspect drained fluid for metal particles or debris indicating internal damage. Install drain plug with new crush washer.
   Torque spec

   Transmission Drain Plug30 Nm (22 lb-ft)
2. 2

   Disconnect axles and remove front subframe
   Remove axle nuts (center lock nuts on each front hub). Disconnect lower ball joints from steering knuckles. Separate axles from transmission using axle puller or pry bar with caution not to damage seals. Support axles with wire. Remove front subframe mounting bolts if additional clearance is needed for transmission removal.
3. 3

   Disconnect electrical and mechanical connections
   Disconnect transmission range switch connector, vehicle speed sensor, solenoid harness connectors, and ground wires. Remove shift cable from transmission lever and bracket. Disconnect transmission cooler lines (if equipped) and plug openings to prevent fluid loss and contamination. Label all connections for reinstallation.
4. 4

   Support and remove transmission
   Position transmission jack under transmission pan with safety chain. Remove upper transmission-to-engine mounting bolts. Remove transmission mount and bracket. Remove lower transmission-to-engine mounting bolts. Carefully separate transmission from engine by pulling straight back to disengage torque converter or input shaft. Lower transmission on jack and move to clean work area.
   ⚠Ensure torque converter remains fully seated in transmission during removal. Mark position if necessary for reinstallation.
   Torque spec

   Mounting Bolts26 Nm (19 lb-ft)
5. 5

   Remove transmission pan and valve body
   With transmission on bench, remove transmission pan bolts in criss-cross pattern. Remove pan and gasket. Remove valve body mounting bolts and carefully lower valve body assembly, noting orientation of check balls and springs. Store valve body in clean covered container to prevent contamination.
   ℹ️Valve body contains numerous small springs and check balls. Work over a clean surface and document component locations.
   Torque spec

   Pan Bolts15 Nm (11 lb-ft)
6. 6

   Split transmission case
   Remove transmission case bolts in sequence starting from outer bolts working inward. Carefully separate transmission case halves using case splitting fixtures or by gently tapping with dead blow hammer at designated pry points. Lift upper case half straight up to avoid damaging internal components. Place case halves on clean work surface.
   ⚠Do not pry between case mating surfaces as this will damage sealing surfaces. Use only designated case separation points.
   Torque spec

   Cover Screws10 Nm (8 lb-ft)
7. 7

   Remove output shaft assembly
   Remove snap ring securing output shaft in case. Carefully lift output shaft assembly from case, noting position of thrust washers and bearings. Place output shaft in padded vise or shaft holding fixture. Remove output gear and snap rings as needed to access output shaft bearing.
8. 8

   Remove and inspect old bearing
   Using bearing puller, remove output shaft bearing from shaft. Inspect bearing race in transmission case for wear, scoring, or damage. Measure bearing bore in case with bore gauge or inside micrometer. Inspect output shaft bearing journal for wear or damage. Clean all components thoroughly with solvent and dry with compressed air. Verify new bearing dimensions match specifications.
   ℹ️If bearing race is damaged or worn beyond specification, case may require machining or replacement.
9. 9

   Install new output shaft bearing
   Press new bearing onto output shaft using bearing driver that contacts inner race only. Drive bearing until fully seated against shoulder. Install snap ring if equipped. Measure bearing preload using dial indicator and rotating torque method per Honda specifications. Install bearing race into case using appropriate driver that contacts outer race only. Verify race is fully seated and flush with case surface.
   ⚠Never press on bearing through both races simultaneously. Always support one race and press on the opposite race to avoid bearing damage.
10. 10

    Reassemble output shaft assembly
    Install thrust washers, gears, and snap rings onto output shaft in reverse order of removal. Verify all snap rings are fully seated in grooves. Check gear end play with feeler gauge to ensure proper clearances. Lubricate all components with Honda DW-1 ATF before installation.
11. 11

    Install output shaft and close transmission case
    Apply thin bead of Honda Genuine Bond to transmission case mating surface per factory pattern. Install output shaft assembly into lower case half, ensuring proper alignment. Verify all shift forks and synchronizers are properly positioned. Install upper case half, aligning dowel pins. Install case bolts and tighten in criss-cross pattern from center outward. Allow sealant to cure per manufacturer specifications before filling with fluid.
    ℹ️Do not over-apply sealant as excess can contaminate valve body and cause shift issues.
    Torque spec

    Cover Screws10 Nm (8 lb-ft)
12. 12

    Reinstall valve body and pan
    Install valve body assembly, ensuring proper alignment of manual valve with shift linkage. Tighten valve body bolts to specification. Install new transmission pan gasket. Install transmission pan and tighten bolts in criss-cross pattern.
    Torque spec

    Pan Bolts15 Nm (11 lb-ft)
13. 13

    Install transmission in vehicle
    Position transmission on transmission jack. Raise transmission to engine, ensuring alignment with dowel pins. For CVT applications, ensure torque converter is fully seated before mating transmission to engine. Install and hand-tighten all transmission-to-engine mounting bolts. Torque mounting bolts to specification in sequence. Install transmission mount and bracket.
    Torque spec

    Mounting Bolts26 Nm (19 lb-ft)
14. 14

    Reconnect axles and components
    Install new axle seals in transmission. Lubricate seal lips with ATF. Insert axles into transmission until fully seated with snap ring engagement click. Reconnect lower ball joints and tighten to specification. Install axle nuts and torque to specification. Reconnect all electrical connectors, shift cable, and transmission cooler lines. Reinstall front subframe if removed.
15. 15

    Fill transmission with fluid
    Fill transmission with Honda DW-1 ATF through fill port. Initial fill should be approximately 3.5 quarts. Start engine and allow to reach operating temperature. Shift through all gear ranges with brake applied. Check fluid level with engine running and add fluid as necessary to reach proper level on dipstick or fill to specification. Total capacity is approximately 8 quarts including torque converter.
    ⚠Running transmission without proper fluid level will cause immediate and catastrophic damage.

Reassembly

1. Install engine splash shield and under-body panels
2. Install front wheels and torque lug nuts to specification
3. Lower vehicle from lift or jack stands
4. Reconnect negative battery cable
5. Reset transmission adaptation values using Honda diagnostic system if available
6. Road test vehicle through all gears to verify proper operation

Verification

• Check for transmission fluid leaks around case seam, pan, drain plug, axle seals, and cooler lines
• Verify smooth shifting through all gear ranges without slipping or abnormal noise
• Confirm no grinding, whining, or bearing noise from transmission during operation
• Check fluid level with engine at operating temperature and adjust if necessary
• Verify speedometer and transmission range indicator operate correctly
• Test drive vehicle at various speeds and loads to confirm proper transmission operation
• Recheck fluid level after 50-100 miles of driving and top off if needed

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