Front Drive Axle - Vibration in Floor/Dash: Overview
NO: 02-01-95GROUP: Front Suspension
DATE: Jan. 27, 1995
SUBJECT:
Vibration in Floor Pan/Dash Panel 2800 to 4200 RPM Range
MODELS:
1995 (PL) Neon
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH AUTOMATIC TRANSAXLES AND BUILT PRIOR TO OCT. 24, 1994 (MDH 10-24-XX).
SYMPTOM/CONDITION:
Right side driveshaft vibration coming from the engine compartment and occurring between 2800 and 4200 RPM. The vibration is most noticeable at approximately 3200 RPM and may be felt in the floor pan and/or in the dash panel.
DIAGNOSIS:
1. Start the vehicle and place the transmission in neutral or park. Set the parking brake.
2. Slowly depress the accelerator pedal until the engine reaches approximately 4800 RPM. Pay particular attention for any vibration (other than normal engine/exhaust vibrations) starting at around the 2800 RPM and most evident around 3200 RPM, then getting less noticeable and disappearing around 4200 RPM. The vibration may be felt in the floor pan and/or in the dash.
3. If a vibration is felt that starts and disappears at the RPM ranges listed above, perform the repair procedure. If the vibration does not conform to these RPM ranges, follow the vibration diagnostic procedure listed in the 1995 Service Manual.
PARTS REQUIRED:
1 4670280 Driveshaft - ATX Without ABS -Rt
1 4670282 Driveshaft - ATX With ABS -Rt
1 6500336 Pin, Cotter