A/T - Shudder/Judder Between 20 and 40 MPH
00-021July 3, 2000
Applies To:
1999 3.0CL - ALL
Vibration While Driving at Low Speeds
SYMPTOM
Shudder or judder when driving at speeds between 20 and 40 mph. This vibration is most noticeable when the torque converter lock-up clutch is in the partial lock-up mode.
PROBABLE CAUSE
Irregularities in the torque converter face prevent the lock-up clutch from smoothly engaging.
CORRECTIVE ACTION
Replace the torque converter.
PARTS INFORMATION
Torque Converter: P/N 26000-P&C-315
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Failed Part: 26000-P&C-305
Defect Code: 045
Contention Code: B99
Skill Level: Repair Technician
Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Parts and Service Manager or your Zone Office. You must request consideration, and get a decision, before starting work.
DIAGNOSIS
Test-drive the vehicle on a smooth road, preferably one with a slight incline, at speeds between 20 and 40 mph with the shift lever in D4. Let the vehicle shift into 4th gear. While maintaining a steady speed, press lightly on the accelerator pedal; this causes the transmission to rapidly engage/disengage the lock-up clutch, placing it in the partial lock-up mode.
^ If you do not feel a constant shudder or judder, or you cannot duplicate it by repeating the procedure, disregard this service bulletin. Continue with normal troubleshooting procedures.
^ If you feel a constant shudder or judder, and you can easily duplicate it by repeating this procedure, go to REPAIR PROCEDURE.
REPAIR PROCEDURE
Replace the torque converter (see section 14 of the 1997-99 3.0CL Service Manual). Make sure you fill the transmission with genuine Honda Automatic Transmission Fluid, P/N 08206-9001.
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