Engine General Information and Diagnosis: 1A-28
Engine noise – Valve
noise
NOTE
Before checking
mechanical noise, make
sure that:
• Specified spark plug is
used.
• Specified fuel is used.
Improper valve lash
“Camshaft, Tappet and shim Inspection in
Section 1D”
Worn valve stem and guide
“Valves and Valve Guides Inspection in
Section 1D”
Weak or broken valve spring
“Valve Spring Inspection in Section 1D”
Warped or bent valve
“Valves and Valve Guides Inspection in
Section 1D”
Engine noise – Piston,
ring and cylinder noise
NOTE
Before checking
mechanical noise, make
sure that:
• Specified spark plug is
used.
• Specified fuel is used.
Worn piston, ring and cylinder bore
“Cylinders, Pistons and Piston Rings
Inspection in Section 1D”
Engine noise –
Connecting rod noise
NOTE
Before checking
mechanical noise, make
sure that:
• Specified spark plug is
used.
• Specified fuel is used.
Worn rod bearing
“Crank Pin and Connecting Rod Bearings
Inspection in Section 1D”
Worn crank pin
“Crank Pin and Connecting Rod Bearings
Inspection in Section 1D”
Loose connecting rod nuts
“Pistons, Piston Rings and Connecting Rods
Removal and Installation in Section 1D”
Improper oil viscosity
“Engine Oil and Filter Change in Section 0B in
related manual”
Malfunctioning oil pressure
“Oil Pressure Check in Section 1E in related
manual”
Clogged oil strainer
“Oil Pan and Oil Pump Strainer Cleaning in
Section 1E in related manual”
Functional deterioration of oil pump
“Oil Pump Inspection in Section 1E in related
manual”
Worn oil pump relief valve
“Oil Pump Inspection in Section 1E in related
manual”
Excessive clearance in various sliding
parts
Engine noise –
Crankshaft noise
NOTE
Before checking
mechanical noise, make
sure that:
• Specified spark plug is
used.
• Specified fuel is used.
Improper oil viscosity
“Engine Oil and Filter Change in Section 0B in
related manual”
Malfunctioning oil pressure
“Oil Pressure Check in Section 1E in related
manual”
Clogged oil strainer
“Oil Pan and Oil Pump Strainer Cleaning in
Section 1E in related manual”
Functional deterioration of oil pump
“Oil Pump Inspection in Section 1E in related
manual”
Worn oil pump relief valve
“Oil Pump Inspection in Section 1E in related
manual”
Excessive clearance in various sliding
parts
Worn bearing
“Main Bearings Inspection in Section 1D”
Worn crankshaft journal
“Crankshaft Inspection in Section 1D”
Loose bearing cap bolts
“Main Bearings, Crankshaft and Cylinder Block
Removal and Installation in Section 1D”
Excessive crankshaft thrust play
“Crankshaft Inspection in Section 1D”
Condition
Possible cause
Correction / Reference Item
Summary of Contents for Liana RH418
Page 4: ......
Page 222: ...3A 13 Drive Shaft Axle ...
Page 362: ...5A 136 Automatic Transmission Transaxle ...
Page 370: ...Prepared by 1st Ed Feb 2004 2nd Ed Jul 2006 367 ...