Opel Astra J — Reliability

J 2011–2015 1 engine

Reliability Summary

Engine 2.0 CDTi (A20DTH/A20DTJ/A20DTE/A20DTC/A20DTR) — 74/100 ACCEPTABLE
Known Issues 4

Engine in this model

ACCEPTABLE 74

2.0 CDTi (A20DTH/A20DTJ/A20DTE/A20DTC/A20DTR)

2.0L Diesel I4

GM's version of the Fiat 2.0 MultiJet in the Insignia A, Astra J, Zafira Tourer and Cascada. Strong ...

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Known Issues Across All Engines

Issue Engine Severity Onset
Oil-pump pickup seal hardens — oil pressure loss, con-rod bearing failure 2.0 CDTi (A20DTH/A20DTJ/A20DTE/A20DTC/A20DTR) critical 100,000 km – 150,000 km
DPF clogging and oil dilution on short trips 2.0 CDTi (A20DTH/A20DTJ/A20DTE/A20DTC/A20DTR) high —
EGR valve coking — idle hunting, warning lights 2.0 CDTi (A20DTH/A20DTJ/A20DTE/A20DTC/A20DTR) moderate —
Injector wear — uneven delivery at high mileage 2.0 CDTi (A20DTH/A20DTJ/A20DTE/A20DTC/A20DTR) minor —