Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 475 (ENGINE COOLING SYSTEM)
2006 Isuzu Ascender S, 5.3 M, 4WD
Section 475 (Engine Cooling System)
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Section 475 (Engine Cooling System)
WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Engine Cooling
- DTC P0480 or P0481 (3.4L)
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC P0480, P0481, P0691, P0692, P0693, or P0694 (3.6L)
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Procedures
- DTC P1258
- Symptoms - Engine Cooling
- Cooling Fan Always On
- Cooling Fan Inoperative (3.4L)
- Cooling Fan Inoperative (3.6L)
- Engine Overheating
- Loss of Coolant
- Thermostat Diagnosis
- Coolant Heater Inoperative
- Engine Fails To Reach Normal Operating Temperature
- Pressure Cap Testing
- Coolant Leak Testing
- Repair Instructions
- Cooling System Draining and Filling (LNJ Static Fill)
- Cooling System Draining and Filling (LNJ GE 47716 Fill)
- Cooling System Draining and Filling (LY7 Static Fill)
- Cooling System Draining and Filling (LY7 GE 47716 Fill)
- Coolant System Flushing
- Radiator Surge Tank Replacement
- Radiator Surge Tank Inlet Hose/Pipe Replacement (LNJ)
- Radiator Surge Tank Inlet Hose/Pipe Replacement (LY7)
- Radiator Inlet Hose Replacement (LNJ Chevrolet)
- Radiator Inlet Hose Replacement (LNJ Pontiac)
- Radiator Inlet Hose Replacement (LY7)
- Radiator Outlet Hose Replacement (LNJ)
- Radiator Outlet Hose Replacement (LY7)
- Engine Coolant Fan Motor Replacement
- Cooling Fan and Shroud Replacement
- Thermal Bypass Fitting Replacement
- Thermal Bypass Hose Replacement
- Thermal Bypass Pipe Replacement
- Engine Coolant Thermostat Housing Replacement (RPO LNJ)
- Engine Coolant Thermostat Housing Replacement (RPO LY7)
- Engine Coolant Thermostat Replacement (RPO LNJ)
- Engine Coolant Thermostat Replacement (RPO LY7)
- Coolant Air Bleed Pipe Assembly Replacement
- Water Outlet Housing Replacement
- Heater Inlet Pipe Replacement (RPO LNJ)
- Heater Inlet Pipe Replacement (RPO LY7)
- Heater Outlet Pipe Replacement (RPO LNJ)
- Heater Outlet Pipe Replacement (RPO LY7)
- Heater Outlet Hose Replacement
- Water Pump Replacement (RPO LNJ)
- Water Pump Replacement (RPO LY7)
- Radiator Drain Cock Replacement
- Radiator Replacement
- Coolant Heater Replacement (RPO LNJ)
- Coolant Heater Replacement (RPO LY7)
- Coolant Heater Cord Replacement (RPO LNJ)
- Coolant Heater Cord Replacement (RPO LY7)
- Description and Operation
- Special Tools and Equipment
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.