Daewoo DE12T - Page 50

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TECHNICAL INFORMATION
Condition Causes Remedies
7)
Oil Consumption
Excessive
(1) Oil level elevated
•
Clearance between cylinder liner Replace
& piston
•
Wear of piston ring, ring groove Replace piston, piston ring
•
Piston ring’s damage, stick, wear Replace piston ring
•
Piston ring opening’s disposition improper Correct position
•
Piston skirt part damaged or Replace piston
abnormal wear
•
Oil ring’s oil return hole clogged Replace piston ring
(2) Oil level lowered
•
Looseness of valve stem & guide Replace in set
•
Wear of valve stem seal Replace seal
•
Cylinder head gasket’s leak Replace gasket
(3) Oil leak
•
Looseness of connection parts Replace gasket, repair
•
Various parts’ packing poor Replace packing
•
Oil seal poor Replace oil seal