Suzuki Liana RH418 Supplementary Service Manual page 41

Condition
Engine noise – Valve
noise
NOTE
Before checking
mechanical noise, make
sure that:
• Specified spark plug is
used.
• Specified fuel is used.
Engine noise – Piston,
ring and cylinder noise
NOTE
Before checking
mechanical noise, make
sure that:
• Specified spark plug is
used.
• Specified fuel is used.
Engine noise –
Connecting rod noise
NOTE
Before checking
mechanical noise, make
sure that:
• Specified spark plug is
used.
• Specified fuel is used.
Engine noise –
Crankshaft noise
NOTE
Before checking
mechanical noise, make
sure that:
• Specified spark plug is
used.
• Specified fuel is used.
Possible cause
Improper valve lash
Worn valve stem and guide
Weak or broken valve spring
Warped or bent valve
Worn piston, ring and cylinder bore
Worn rod bearing
Worn crank pin
Loose connecting rod nuts
Improper oil viscosity
Malfunctioning oil pressure
Clogged oil strainer
Functional deterioration of oil pump
Worn oil pump relief valve
Excessive clearance in various sliding
parts
Improper oil viscosity
Malfunctioning oil pressure
Clogged oil strainer
Functional deterioration of oil pump
Worn oil pump relief valve
Excessive clearance in various sliding
parts
Worn bearing
Worn crankshaft journal
Loose bearing cap bolts
Excessive crankshaft thrust play
Engine General Information and Diagnosis:
Correction / Reference Item
"Camshaft, Tappet and shim Inspection in
Section 1D"
"Valves and Valve Guides Inspection in
Section 1D"
"Valve Spring Inspection in Section 1D"
"Valves and Valve Guides Inspection in
Section 1D"
"Cylinders, Pistons and Piston Rings
Inspection in Section 1D"
"Crank Pin and Connecting Rod Bearings
Inspection in Section 1D"
"Crank Pin and Connecting Rod Bearings
Inspection in Section 1D"
"Pistons, Piston Rings and Connecting Rods
Removal and Installation in Section 1D"
"Engine Oil and Filter Change in Section 0B in
related manual"
"Oil Pressure Check in Section 1E in related
manual"
"Oil Pan and Oil Pump Strainer Cleaning in
Section 1E in related manual"
"Oil Pump Inspection in Section 1E in related
manual"
"Oil Pump Inspection in Section 1E in related
manual"
"Engine Oil and Filter Change in Section 0B in
related manual"
"Oil Pressure Check in Section 1E in related
manual"
"Oil Pan and Oil Pump Strainer Cleaning in
Section 1E in related manual"
"Oil Pump Inspection in Section 1E in related
manual"
"Oil Pump Inspection in Section 1E in related
manual"
"Main Bearings Inspection in Section 1D"
"Crankshaft Inspection in Section 1D"
"Main Bearings, Crankshaft and Cylinder Block
Removal and Installation in Section 1D"
"Crankshaft Inspection in Section 1D"
1A-28