Daewoo D1146 Maintenance Manual page 35

Condition
7) Oil Consumption
Excessive
(1) Oil level elevated
(2) Oil level lowered
(3) Oil leak
Causes
Clearance between cylinder
liner & piston
Wear of piston ring, ring
groove
Piston ring's damage, stick,
wear
Piston ring opening's
disposition improper
Piston skirt part damaged or
abnormal wear
Oil ring's oil return hole
clogged
Oil ring's contact poor
Looseness of valve stem &
guide
Wear of valve stem seal
Cylinder head gasket's leak
Looseness of connection
parts
Various parts' packing poor
Oil seal poor
31
D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
Remedies
Replace
Replace piston,
piston ring
Replace piston ring
Correct position
Replace piston
Replace piston ring
Replace piston ring
Replace in set
Replace seal
Replace gasket
Replace gasket, repair
Replace packing
Replace oil seal
Printed in Jan. 2001 PS-MMA0415-E1A