Suzuki Grand Vitara 2011 Manual page 124

1A-55 Engine General Information and Diagnosis: For Petrol Engine Model
Condition
Engine overheating
Possible cause
Inoperative thermostat
Poor water pump performance
Clogged or leaky radiator
Improper engine oil grade
Clogged oil filter or oil strainer
Poor oil pump performance
Faulty radiator cooling fan control
system
Dragging brakes
Slipping clutch (for M/T model)
Blown cylinder head gasket
Air mixed in cooling system
Correction / Reference Item
"Thermostat Inspection: For Petrol Engine
Model in Section 1F"
"Water Pump Inspection: For Petrol Engine
Model in Section 1F"
"Radiator On-Vehicle Inspection and Cleaning:
For Petrol Engine Model in Section 1F"
"Engine Oil and Filter Change (Petrol Engine
Model) in Section 0B"
"Oil Pressure Check: For J20 Engine in
Section 1E" or "Oil Pressure Check: For M16A
Engine with VVT in Section 1E"
"Oil Pressure Check: For J20 Engine in
Section 1E" or "Oil Pressure Check: For M16A
Engine with VVT in Section 1E"
"Radiator Cooling Fan Low Speed Control
System Check: For Petrol Engine Model" or
"Radiator Cooling Fan High Speed Control
System Check: For Petrol Engine Model"
Condition "Dragging brakes" in "Brakes
Symptom Diagnosis in Section 4A"
Condition "Slipping clutch" in "Clutch
(Hydraulic Type) Symptom Diagnosis in
Section 5C"
"Cylinder Head Inspection: For J20 Engine in
Section 1D" or "Cylinder Head Inspection: For
M16A Engine with VVT in Section 1D"