Opel Vectra C — Reliability

C 2003–2008 1 engine

Reliability Summary

Engine Z20NET 2.0T — 84/100 BUY
Known Issues 3

Engine in this model

BUY 84

Z20NET 2.0T

2.0 Turbo (Z20NET)

The 175 hp 2.0 turbo of the Vectra C and Signum (2003-2008): a GM Ecotec engine with an aluminium bl...

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Known Issues Across All Engines

Issue Engine Severity Onset
Timing chain and balance-shaft chain wear (plastic guides) Z20NET 2.0T moderate 200,000 km
Crankcase-ventilation (PCV) check valve failure - oil consumption Z20NET 2.0T moderate —
Turbo actuator wear Z20NET 2.0T moderate 80,000 km – 150,000 km