Question 1

Dual-mass flywheel and clutch wear (1.7 CDTi)

Accepted Answer

Judder when pulling away, a rattle at idle that stops when the clutch pedal is pressed and vibration through the pedal point to a worn dual-mass flywheel. It is common on diesel cars driven in stop-start traffic and is normally replaced together with the clutch.

Question 2

Clogged EGR valve (1.7 CDTi)

Accepted Answer

Carbon build-up in the EGR valve and inlet manifold on the 1.7 CDTi causes hesitation, rough idle, black smoke, an engine management light and limp mode. It is made worse by short journeys and long periods of idling.

Question 3

Column Integrated Module (CIM) failure (Astra H)

Accepted Answer

The CIM module behind the steering wheel fails on the Astra H, so indicators, horn, wipers or steering wheel controls stop working intermittently, often with an airbag warning light. The module must be replaced and programmed to the car.

Vauxhall AstraAstra H

Known issues and common problems

Vauxhall AstraAstra H

Known issues and common problems

Dual-mass flywheel and clutch wear (1.7 CDTi)at 150000 km · 1 solutionsMedium

Clogged EGR valve (1.7 CDTi)at 130000 km · 1 solutionsMedium

Column Integrated Module (CIM) failure (Astra H)1 solutionsMedium