A/T - Jolt Felt Upon Acceleration From A Stop
INTERMITTENT UNCOMFORTABLE JOLTING WHEN MOVING OFFTopic Number LI27.35-P-047118
Version 1
Design Group 27.35 Valve body
Date 06-30-2009
Reason for change Model 230.470
Reason for block
Complaint:
Intermittent uncomfortable jolting when moving off.
Cause:
Delayed power transmission when closing the wet start-up clutch (NAK)
NOTE:
1. Oil level in transmisssion too low.
2. Valve body out of specification
Remedy:
NOTE:
The vehicle must be reexamined for the complaint after each of the three operation steps described below.
1a. Check oil level and correct if necessary.
1b. Update software.
NOTE:
Flashware available as of DAS 10/2008 with the following new features:
^ "C" mode: Moving off in 2nd gear
^ "S" and "S+" mode: Moving off when cold in 2nd gear, up to transmission oil temperature of 20°C.
1C. Perform touch-point adaptation at 40°C transmission oil temperature in "S" mode.
NOTE:
Only when absolutely essential. The re-adaptation erases all previously learned values for NAK adaptation; they are only fully adapted in all temperature ranges after a certain period of operation.
2. Replace valve body housing.
NOTE:
Modified valve body housing in series production as of approx. 10/2008. As of VIN: 230470 1F 152965 or transmission/major assembly no. 722930 01 968015.
Symptoms
Parts
Work Units
Validity
NOTE:
The following allowable labor operations should be used when submitting a warranty claim for this repair. This information has been generated on June 30, 2009. Please refer to Netstar --> Star TekInfo --> Star Time for the most current labor time allowance.
In case of Warranty, use the table above.