A/T - Vibration When Driving at Low Speeds

00-038

August 22, 2000





Applies To:

Vibration While Driving at Low Speed
(Supersedes 00-038, dated April 25, 2000)

Updated information is shown by black bars.

SYMPTOM

Shudder/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





WARRANTY CLAIM INFORMATION

In warranty:
The normal warranty applies.

Failed Part: P/N 26000-P8C-305
H/C 5429618

Detect 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 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 action causes the transmission to rapidly engage/disengage the lock-up clutch, placing the lock-up clutch in the partial lock-up mode.

^ If you do not feel a constant judder or shudder, or you cannot duplicate the vibration by repeating the procedure, disregard this service bulletin, and continue with normal troubleshooting procedures.

^ If you feel a constant judder or shudder, and you can easily duplicate this vibration by repeating the procedure, go to REPAIR PROCEDURE.

REPAIR PROCEDURE

Replace the torque converter (see the Automatic Transmission section of the 1998-00 Accord Service Manual V6 Supplement). Make sure you fill the transmission with Genuine Honda Automatic Transmission Fluid, P/N 08206-9001, H/C 3268554.





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