Symptoms:
- 2nd Gear damage
- Frequent roller bearing replacement
Cause:
Axial thrust load of hardened needle rollers on softer gear.Correction:
Sonnax high-quality bronze thrust washers are designed to more effectively withstand the wear and axial thrust load of the mainshaft 2nd Gear assembly.Honda, Acura 4-Speed, 2-Shaft
Thrust Washer
Part No. 88406B
Mainshft 2nd Gear assembly
View Instructions Find a DistributorOn Honda 4-speed transmissions, the mainshaft 2nd gear wears severely from contact with the 2nd clutch needle roller bearing. This bearing also needs frequent replacement due to wear. The wear on the gear and the bearing is due to the axial thrust load on the assembly. Replace the needle bearing with Sonnax thrust washer 88406-SP or 88406B. These high-quality bronze thrust washers are designed to more readily withstand the wear and axial thrust load of the mainshaft 2nd Gear assembly.
| Sonnax No. | Application | O.D. | Thickness |
|---|---|---|---|
| 88406-SP | AK, AS, F4, L4, CA, PL | 2.028" | .084" |
| 88406B | some G4 | 2.185" | .084" |
The gear thrust surface must be in good condition. A worn gear will cause failure.
- Material: Bronze
- Outer Dia.: 2.185"
- Inner Dia.: 1.427"
- Thickness: 0.083"
