Suzuki Swift User Manual page 74

Condition
D Improper oil viscosity
Low oil pressure
D Malfunctioning oil pressure switch
D Clogged oil strainer
D Functional deterioration of oil pump
D Worn oil pump relief valve
D Excessive clearance in various sliding parts
Engine noise Valve noise
D Improper valve lash
Note: Before
D Worn valve stem and guide
checking mechanical
D Weak or broken valve spring
noise, make sure
that:
D Specified spark D Warped or bent valve
plug in used. Piston, ring and cylinder noise
D Specified fuel is D Worn piston, ring and cylinder bore
used.
Connecting rod noise
D Worn rod bearing
D Worn crank pin
D Loose connecting rod nuts
D Low oil pressure
Crankshaft noise
D Low oil pressure
D Worn bearing
D Worn crankshaft journal
D Loose bearing cap bolts
D Excessive crankshaft thrust play
ENGINE GENERAL INFORMATION AND DIAGNOSIS (TBI FOR G10) 6-23
Possible Cause Referring Item
Engine oil and oil filter change in
Section 0B
Oil pressure switch inspection in
Section 8
Oil pan and oil pump strainer
cleaning in Section 6A
Oil pump in Section 6A
Oil pump in Section 6A
Valve lash in Section 6A
Valves inspection in Section 6A
Valve springs inspection in
Section 6A
Valves inspection in Section 6A
Pistons and cylinders inspection
in Section 6A
Crank pin and connecting rod
bearing inspection in Section 6A
Crank pin and connecting rod
bearing inspection in Section 6A
Connecting rod installation in
Section 6A
Previously outlined
Previously outlined
Crankshaft and bearing
inspection in Section 6A
Crankshaft and bearing
inspection in Section 6A
Crankshaft inspection in
Section 6A
Crankshaft thrust play inspection
in Section 6A