Workshop Manuals Factory service & repair Vauxhall
01 Preface02 General Information03 Body Hardware and Trim04 Body Repair05 Body Systems06 General Vehicle Information07 Brakes08 Diagnostic Navigation09 Driveline/Axle10 Driver Information and Entertainment11 Engine12 HVAC13 Power and Signal Distribution14 Roof15 Safety and Security16 Seats17 Steering18 Suspension19 Transmission/Transaxle
Vauxhall Astra J19 · Transmission/Transaxle
19 · Transmission

Noise and Vibration Analysis

Make
Vauxhall
Model
Astra J
Section
Automatic Transmission - AF40-6 › Other Information › Noise and Vibration Analysis
Transmission/TransaxleNoise and Vibration Analysis

Noise and Vibration Analysis

A noise or vibration that is noticeable when the vehicle is in motion MAY NOT be the result of the transmission. Refer to the Symptoms - Vibration Diagnosis and Correction procedure.

If noise or vibration is noticeable in PARK and NEUTRAL with the engine at idle, but is less noticeable as RPM increases, the vibration may be a result of poor engine performance.

•  Vibration may also be caused by a small amount of water inside the converter.
•  Inspect the shift control cable mounting.
•  Inspect the engine and transmission mounts for damage and loose bolts.
•  Inspect the transmission case mounting holes for the following conditions:
  -  Missing bolts, nuts, and studs
  -  Stripped threads
  -  Cracks
•  Inspect the flywheel for the following conditions:
  -  Missing or loose bolts
  -  Cracks
  -  Imbalance
•  If the noise or vibration is noticeable in PARK and NEUTRAL with the engine at idle, but is more noticeable as RPM increases, the vibration may be an engine imbalance or a transmission imbalance.

Parts & tools for this job For Vauxhall Astra

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.