96 Acura Integra Manual Transmission Throwout Bearing Replacement
The 1996 Acura Integra manual transmission throwout bearing replacement is a critical maintenance procedure for vehicles experiencing clutch issues, bearing noise, or difficulty shifting. This guide covers safety precautions, required tools, step-by-step replacement procedure, troubleshooting, and post-installation testing for proper throwout bearing function in the B18-series manual transmissions.
Tools and Materials Required
Essential tools and replacement parts needed for the throwout bearing replacement procedure.
| Tool/Part | Description |
|---|
| Socket set | 10mm-17mm sockets with extensions |
| Transmission jack | For supporting transmission during removal |
| Clutch alignment tool | For proper clutch disc positioning |
| Throwout bearing | OEM or aftermarket replacement part |
| Pry bars | For transmission separation |
| Jack stands | Vehicle support safety equipment |
| Torque wrench | For proper bolt torque specifications |
| Transmission fluid | Honda MTF or equivalent |
| Clutch grease | High-temperature bearing grease |
| Drain pan | For transmission fluid collection |
Safety Precautions
Critical safety measures to follow during the replacement procedure.
- Disconnect battery: Remove negative terminal to prevent electrical issues.
- Secure vehicle: Use jack stands on level surface; never work under vehicle supported only by jack.
- Wear safety glasses: Protect eyes from falling debris and fluids.
- Use transmission jack: Properly support transmission during removal.
WARNING! Transmission is heavy; use proper lifting techniques and equipment. Ensure vehicle is securely supported before working underneath.
Pre-Installation Inspection
Inspect components before beginning replacement procedure.
- Check clutch fork: Inspect for wear or damage; replace if necessary.
- Examine clutch disc: Check for wear, glazing, or contamination.
- Inspect pressure plate: Look for heat spots, cracks, or warping.
- Check input shaft: Ensure smooth surface without grooves or damage.
- Verify bearing type: Confirm correct throwout bearing part number.
CAUTION! Replace worn components while transmission is removed to prevent premature failure.
Removal Procedure
- Step 1: Disconnect battery and remove air intake components.
- Step 2: Remove shift linkage and cables from transmission.
- Step 3: Disconnect electrical connectors (speed sensor, reverse switch).
- Step 4: Remove starter motor and clutch hydraulic line.
- Step 5: Support engine with jack and position transmission jack.
- Step 6: Remove transmission mount bolts and crossmember.
- Step 7: Lower transmission carefully using transmission jack.
Transmission Separation
Separate transmission from engine to access throwout bearing.
- Remove bellhousing bolts: Use appropriate socket sizes in sequence.
- Separate transmission: Carefully pull transmission away from engine.
- Support clutch components: Prevent pressure plate spring tension release.
- Access clutch fork: Remove retaining clip and pivot ball if necessary.
- Remove old bearing: Slide throwout bearing off clutch fork.
Tip: Label bolts and components for proper reassembly orientation.
Bearing Replacement
Install new throwout bearing and prepare for reassembly.
- Clean surfaces: Remove old grease and debris from clutch fork and input shaft.
- Lubricate contact points: Apply high-temperature grease to bearing contact surfaces.
- Install new bearing: Slide onto clutch fork, ensuring proper orientation.
- Check movement: Verify bearing moves smoothly on input shaft sleeve.
- Reinstall clutch fork: Secure with retaining clip and pivot ball.
WARNING! Do not overlubricate bearing; excess grease can contaminate clutch disc.
Reassembly Steps
Reinstall transmission and reconnect all components.
- Align clutch disc: Use alignment tool to center disc on flywheel.
- Mate transmission: Carefully guide transmission into position on engine.
- Install bellhousing bolts: Torque to factory specifications (typically 45-55 ft-lbs).
- Reinstall mounts: Secure transmission crossmember and engine mounts.
- Reconnect components: Shift linkage, electrical connectors, hydraulic line.
- Refill transmission: Add proper type and quantity of transmission fluid.
- Reconnect battery: Reinstall air intake components and battery connection.
Post-Installation Testing
Test bearing function and transmission operation after installation.
| Test | Procedure | Expected Result |
|---|
| Clutch pedal feel | Depress clutch pedal multiple times | Smooth operation, consistent resistance |
| Gear engagement | Attempt to shift through all gears | Smooth shifting without grinding |
| Bearing noise | Listen with engine running, clutch depressed | No unusual noises or rattling |
| Clutch engagement | Test drive with gradual acceleration | Smooth engagement without slipping |
Troubleshooting Common Issues
Address common problems encountered during throwout bearing replacement.
| Symptom | Possible Cause | Corrective Action |
|---|
| Bearing noise continues | Incorrect installation or defective bearing | Verify proper orientation; replace if defective |
| Difficulty shifting | Improper clutch adjustment or air in system | Bleed clutch hydraulic system; adjust pedal |
| Clutch drag | Misaligned clutch disc or worn components | Recheck alignment; inspect pressure plate |
| Vibration | Improperly torqued bolts or damaged components | Retorque all fasteners; inspect for damage |
| Fluid leak | Damaged seals or loose connections | Inspect input shaft seal; tighten fittings |
Maintenance Tips
Proper maintenance to extend throwout bearing and clutch system life.
- Avoid riding clutch: Keep foot off clutch pedal when not shifting.
- Proper fluid: Use only recommended Honda MTF or equivalent.
- Regular inspection: Check for leaks and unusual noises periodically.
- Professional service: Consult mechanic for complex issues or uncertainties.
CAUTION! Proper break-in period required for new clutch components.
Technical Specifications
- Transmission Type: B18-series 5-speed manual
- Bearing Type: Hydraulic throwout bearing
- Torque Specs: Bellhousing bolts: 45-55 ft-lbs
- Fluid Capacity: 2.1 quarts Honda MTF
- Clutch Type: Hydraulic actuation
- Break-in Period: 500 miles of normal driving
- Warranty: Check manufacturer specifications
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