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Base Engine Misfire with Coolant Consumption > < Base Engine Misfire with Abnormal Internal Lower Engine Noises

Astra J

Base Engine Misfire with Abnormal Valve Train Noise



Condition
Action

Loose, worn or damaged valve bridge and finger-follower
1. Inspect valve bridge and finger-follower.
2. Repair or replace all damaged components.


Broken valve springs
1. Inspect valve springs.
2. Repair or replace all damaged components.


Sticking valve
Carbon on the valve stem or valve seat may cause the valve to stick.

1. Inspect valves and valve guides.
2. Repair or replace all damaged components.


Worn or faulty camshaft lobes
1. Inspect camshaft lobes.
2. Repair or replace all damaged components.

 

Base Engine Misfire with Coolant Consumption > < Base Engine Misfire with Abnormal Internal Lower Engine Noises