Suzuki Engine 2002 GRAND VITARA SQ625, Руководство по обслуживанию

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6-40 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES)
Excessive engine oil
consumption Oil entering combustion chamber
• Sticky piston ring
“Pistons, Piston Rings, Connecting Rods
and Cylinders” in Section 6A1 or 6A4.
• Worn piston and cylinder “Pistons, Piston Rings, Connecting Rods
and Cylinders” in Section 6A1 or 6A4.
• Worn piston ring groove and ring “Pistons, Piston Rings, Connecting Rods
and Cylinders” in Section 6A1 or 6A4.
• Improper location of piston ring gap “Pistons, Piston Rings, Connecting Rods
and Cylinders” in Section 6A1 or 6A4.
• Worn or damaged valve stem seal “Valves and Cylinder Head” in Section 6A1
or 6A4.
• Worn valve stem “Valves and Cylinder Head” in Section 6A1
or 6A4.
Low oil pressure • Improper oil viscosity “Engine Oil and Oil Filter Change” in Section
0B.
• Malfunctioning oil pressure switch “Oil Pressure Switch” in Section 8C.
• Clogged oil strainer “Oil Pan and Oil Pump Strainer” in Section
6A1 or 6A4.
• Functional deterioration of oil pump “Oil Pump” in Section 6A1 or 6A4.
• Worn oil pump relief valve “Oil pump” in Section 6A1 or 6A4.
• Excessive clearance in various slid-
ing parts
Condition Possible Cause Correction