Suzuki GRAND VITARA Owner's Manual page 105

Condition
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
Worn piston, ring and cylinder bore
Worn rod bearing
Worn crank pin
Loose connecting rod nuts
Low oil pressure
Low oil pressure
Worn bearing
Worn crankshaft journal
Loose bearing cap bolts
Excessive crankshaft thrust play
Engine General Information and Diagnosis:
Correction / Reference Item
"Pistons, Piston Rings, Connecting Rods and
Cylinders Inspection and Cleaning: For J20
Engine in Section 1D" or "Cylinders, Pistons
and Piston Rings Inspection: For M16A Engine
with VVT in Section 1D"
"Pistons, Piston Rings, Connecting Rods and
Cylinders Inspection and Cleaning: For J20
Engine in Section 1D" or "Crank Pin and
Connecting Rod Bearings Inspection: For
M16A Engine with VVT in Section 1D"
"Pistons, Piston Rings, Connecting Rods and
Cylinders Inspection and Cleaning: For J20
Engine in Section 1D" or "Crank Pin and
Connecting Rod Bearings Inspection: For
M16A Engine with VVT in Section 1D"
"Pistons, Piston Rings, Connecting Rods and
Cylinders Removal and Installation: For J20
Engine in Section 1D" or "Pistons, Piston
Rings, Connecting Rods and Cylinders
Removal and Installation: For M16A Engine
with VVT in Section 1D"
Condition "Low oil pressure"
Condition "Low oil pressure"
"Main Bearings, Crankshaft and Cylinder Block
Inspection: For J20 Engine in Section 1D" or
"Main Bearings Inspection: For M16A Engine
with VVT in Section 1D"
"Main Bearings, Crankshaft and Cylinder Block
Inspection: For J20 Engine in Section 1D" or
"Crankshaft Inspection: For M16A Engine with
VVT in Section 1D"
"Main Bearings, Crankshaft and Cylinder Block
Removal and Installation: For J20 Engine in
Section 1D" or "Main Bearings, Crankshaft and
Cylinder Block Removal and Installation: For
M16A Engine with VVT in Section 1D"
"Main Bearings, Crankshaft and Cylinder Block
Inspection: For J20 Engine in Section 1D" or
"Crankshaft Inspection: For M16A Engine with
VVT in Section 1D"
1A-50