Buick Regal: Diagnostic Information and Procedures

 DTC P00E9

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptor DT

 Differential Clutch Oil Inspection

1. Raise and support the vehicle. 2. Clean the area around the rear axle fill plug. 3. Place a drain pan under the vehicle. 4. Differential Clutch Cover Plug(1) - Remove. 5. Rear Axle Housing Filler Plug Gasket(2) - Remove. 6. Check the fluid level. If necessary, fill the differential to the