January 29, 2020
Bushwhacked! Keys to Avoiding Preventable Bushing Problems
Brian Wing
Symptoms:
- Bushing wear
- Bushing failure
Cause:
OE bushing material composition allows premature wear.Correction:
Install improved Sonnax bushing kit to restore critical clearances and resist untimely wear.Warning:
Machining required on 6F35 units only.
Use of an arbor press is required for correct installation. Do not use a hydraulic press or a bushing driver/hammer combination to install, as doing so may distort the bushing and cause fitment issues.
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
Bushing Kit
Part No. 144030-35K
View Instructions
Find a Distributor
- 4-5-6 Clutch Drum Bushing Rear
- 4-5-6 Clutch Drum Bushing Front
- 4-5-6 Clutch Hub Bushing
- Reaction Sun Gear Bushing
- Pump Bushing
- Output Planet Sun Gear Bushing
- Drive Sprocket Hub Bushings (2)
- Stator Support Bushing
Related Sonnax Parts
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
4-5-6 Clutch Drum Bushing 144030-02
Front Side
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.759"
- Shaft Dia.: 1.632"
- Width: 0.356"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
4-5-6 Clutch Drum Bushing 144030-01
Rear Side
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.969"
- Shaft Dia.: 1.840"
- Width: 0.310"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
4-5-6 Clutch Hub Bushing 144030-03
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 0.920"
- Shaft Dia.: 0.821"
- Width: 0.300"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
6F35 (Gen. 2), 6F35 (Gen. 3)
Axle Bushing 144030-09B
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 1.608"
- Shaft Dia.: 1.378"
- Width: 0.635"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
Drive Sprocket Hub Bushing 144030-08
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 0.887"
- Shaft Dia.: 0.790"
- Width: 0.385"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
Output Planet Sun Gear Bushing 144030-07
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 1.478"
- Shaft Dia.: 1.360"
- Width: 0.545"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
Pump Bushing 144030-06
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 1.698"
- Shaft Dia.: 1.562"
- Width: 0.710"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
Reaction Sun Gear Bushing 144030-04
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.307"
- Shaft Dia.: 1.183"
- Width: 0.552"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T40 (Gen. 1), 6T40 (Gen. 2)
Stator Support Bushing 144036B
- Bushing Style: Precision
- Material: Steel-Backed Alloy
- Housing Bore: 0.919"
- Shaft Dia.: 0.791"
- Width: 0.845"
-
Helps cure:
- Spun-out bushings
- TCC slip
- Code P0741
- Code P1744
- Premature wear & bushing failure