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Vehicle Shudder When Reapplying Throttle After Stopping (Reprogram PCM)

Subject:Vehicle Shudder When Reapplying Throttle (Greater than 50%) After Stopping (Reprogram PCM)

Models:1998 Buick LeSabre, Park Avenue
1998 Oldsmobile Eighty-Eight
1998 Pontiac Bonneville
with 3.8 L V6 Engine (VIN K - RPO L36 ) and Hydra-Matic 4T65-E Transaxle (RPOs MN3, M15)



Condition

Some owners may comment about a vehicle shudder after slowing for a stop and reapplying the throttle at greater than 50 percent.

Cause

Condition may be due to insufficient line pressure causing improper clutch apply.

Correction

Reprogram the Powertrain Control Module with the appropriate calibration as listed below.

Service Parts Information

Original Calibration File Number

New Calibration File Number

09361284

09379774

09361294

09379784

09360304

09379794

09361314

09379804

09361324

09379814

09361334

09379824

09361344

09379834

09361354

09379844

09361364

09379854

09361374

09379864

09361384

09379874

The calibrations listed are electronic calibrations and are NOT available from GMSPO. Calibrations will be available from Techline starting April, 1999, on the 1999 Disk 8 CD ROM.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

J6355

Prom - Reprogramming - On Car

Use published labor operation time