Deep metallic engine knock on Opel: causes by model
In 12 models from Opel there are 3 documented faults that cause this symptom (engine knock). The most important: oil-bath timing belt degradation, timing chain stretch and tensioner failure and excessive oil consumption from carbon on the piston rings or oil separator failure.
Documented faults, from most to least important
Severity × frequency. Below each one, the Opel models it appears in.
In Astra L, Corsa F, Crossland, Grandland I and Mokka B
In Agila A, Astra J, Combo C, Combo D, Corsa D and Corsa E and 1 more model
In Astra L, Corsa F, Crossland, Grandland I and Mokka B
By Opel model
Open yours to see only the faults that affect it, by engine and by year.
- Opel Crossland (2017–2024)2 faults
- Opel Grandland I (2017–2024)2 faults
- Opel Corsa F (2019–today)2 faults
- Opel Mokka B (2020–today)2 faults
- Opel Astra L (2021–today)2 faults
- Opel Agila A (2000–2007)1 fault
- Opel Combo C (2001–2011)1 fault
- Opel Corsa D (2006–2014)1 fault
- Opel Astra J (2009–2015)1 fault
- Opel Meriva B (2010–2017)1 fault
- Opel Combo D (2011–2018)1 fault
- Opel Corsa E (2014–2019)1 fault
Engines and gearboxes involved
Frequently asked questions
Engine knock in a Opel: what could it be?
In 12 models from Opel there are 3 documented faults that cause this symptom (engine knock). The most important: oil-bath timing belt degradation, timing chain stretch and tensioner failure and excessive oil consumption from carbon on the piston rings or oil separator failure. Each fault has its own page with the affected years and versions, the cause and how to check for it.
Which Opel models have the most faults with this symptom?
Opel Crossland (2 faults), Opel Grandland I (2 faults), Opel Corsa F (2 faults) and Opel Mokka B (2 faults).
Which Opel engines cause it?
1.2 PureTech (2 faults) and 1.3 Multijet (1 fault).