Daewoo D1146, Maintenance Manual

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D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
30
Printed in Jan. 2001 PS-MMA0415-E1A
Condition Causes Remedies
5) Engine noisy
For noises arise compositely
such as rotating parts, lapping
parts etc., there is necessity to
search the cause of noises
accurately.
(1) Crankshaft
z
As the wear of bearing or
crankshaft progress, the oil
clearances increase.
Replace bearing &
grind crankshaft
z
Lopsided wear of crankshaft Grind or replace
z
Oil supply insufficient due to
oil passage clogging
Clean oil passage
z
Stuck bearing Replace bearing &
Grind
(2) Con.-rod and
Con.-rod bearing
z
Lopsided wear of con rod
bearing
Replace bearing
z
Lopsided wear of crank pin Grind crankshaft
z
Connecting rod distortion Repair or replace
z
Stuck bearing Replace &
grind crankshaft
z
Oil supply insufficiency as
clogging at oil passage
progresses
Clean oil passage
(3) Piston, piston pin &
Piston ring
z
Piston clearance increase
as the wear of piston and
piston ring progresses
Replace piston &
piston ring
z
Wear of piston or piston pin Replace
z
Piston stuck Replace piston
z
Piston insertion poor Replace piston
z
Piston ring damaged Replace piston
(4) Others
z
Wear of crankshaft, thrust
bearing
Replace thrust bearing
z
Camshaft end play
increased Replace thrust plate
z
Idle gear end play increased Replace thrust washer
z
Timing gear backlash
excessive Repair or replace
z
Valve clearance excessive Adjust valve clearance
z
Abnormal wear of tappet,
cam
Replace tappet, cam
z
Supercharger inner part
damaged
Repair or replace
6) Fuel Consumption
Excessive
z
Injection timing incorrect Adjust
z
Fuel injection amount
excessive Adjust injection pump