2011 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2011  Factory Service Manual 
PREPARATIONCO-3
< PREPARATION >
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PREPARATION
PREPARATION
Commercial Service ToolsINFOID:0000000006289653
Tool name
Description
Power tool Loosening bolts and nuts
Radiat

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INFINITI QX56 2011  Factory Service Manual 
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< SYSTEM DESCRIPTION >
DESCRIPTION
SYSTEM DESCRIPTION
DESCRIPTION
Engine Cooling SystemINFOID:0000000006289654
JPBIA4247GB
Revision: 2010 May2011 QX56

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INFINITI QX56 2011  Factory Service Manual 
DESCRIPTIONCO-5
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Engine Cooling System SchematicINFOID:0000000006289655
JPBIA4248GB
Revision: 2010 May2011 QX56

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INFINITI QX56 2011  Factory Service Manual 
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< SYMPTOM DIAGNOSIS >
OVERHEATING CAUSE ANALYSIS
SYMPTOM DIAGNOSIS
OVERHEATING CAUSE ANALYSIS
Troubleshooting ChartINFOID:0000000006289656
Symptom Check items
Cooling sys-
tem parts 
malfunction

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INFINITI QX56 2011  Factory Service Manual 
OVERHEATING CAUSE ANALYSISCO-7
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Except cool-
ing system 
parts mal-
function — Overload on engine
Abusive driving
High engine rpm under no 
load

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INFINITI QX56 2011  Factory Service Manual 
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< PERIODIC MAINTENANCE >
ENGINE COOLANT
PERIODIC MAINTENANCE
ENGINE COOLANT
InspectionINFOID:0000000006289657
LEVEL 
 Check if the reservoir tank engine coolant level is within the “MIN”to

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ENGINE COOLANTCO-9
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3. Check drained engine coolant for contaminants such as rust, corrosion or discoloration.
If contaminated, flush the engine

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INFINITI QX56 2011  Factory Service Manual 
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< PERIODIC MAINTENANCE >
ENGINE COOLANT
Watch water temperature gauge so as not to overheat engine.
9. Stop the engine and cool down to less than approximately 50 °C (122 °F).
 Cool down usi