Daewoo CIELO EURO III Manual page 10

1A – 10 GENERAL ENGINE INFORMATION
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Step
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1 Is a light tapping sound heard from the engine?
Inspect the valve springs.
Are the springs weak or broken?
2
Inspect the valves.
Are the valves sticking or warped?
3
Inspect the valve lifters.
Are the valve lifters dirty, stuck or worn?
4
Inspect the camshaft lobes.
Are the camshaft lobes damaged or improperly
5
machined?
Check the oil supply to the valve train.
Is the oil supply insufficient or poor?
6
Inspect the valve guides.
Are the valve guides worn?
7
Inspect the valve spring seat.
Is the valve spring seat incorrect?
8
Valve Mechanism or Valve Train Noises
Action
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Value(s) Yes
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– Go to Step 2
Go to
Cylinder Head
– and Valve Train
Components
Replacement
Procedure
Go to
Cylinder Head
– and Valve Train
Components
Replacement
Procedure
Go to
Cylinder Head
– and Valve Train
Components
Replacement
Procedure
Go to
Camshaft
Replacement
–
Procedure
Go to
Cylinder Head
– and Valve Train
Components
Replacement
Procedure
Go to
Cylinder Head
– and Valve Train
Components
Replacement
Procedure
Go to
Cylinder Head
– and Valve Train
Components
Replacement
Procedure
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No
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System OK
Go to Step 3
Go to Step 4
Go to Step 5
Go to Step 6
Go to Step 7
Go to Step 8
System OK
DAEWOO T-154 BL2,3