Daewoo CIELO EURO III Manual page 9

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Step
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Are any of the following noises heard: a sharp
double knock when the engine is idling, a light
1
ticking with no load on the engine or a ''slapping''
noise when the engine is cold?
Inspect the piston pin and the bushing.
Is the piston pin or the bushing worn or loose?
2
Inspect the piston.
Is the piston broken or cracked?
3
Inspect the connecting rods.
Is there a misaligned connecting rod?
4
Inspect the piston position.
Is the piston 180_ out of position?
5
DAEWOO T-154 BL2,3
Piston Noises
Action
GENERAL ENGINE INFORMATION 1A – 9
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Value(s) Yes
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–
Go to Step 2
Go to Pistons
and Rods
– Replacement
Procedure
Go to Pistons
and Rods
– Replacement
Procedure
Go to Pistons
and Rods
– Replacement
Procedure
Go to Pistons
and Rods
– 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
System OK