Diagnostics
Why We Do Not Recommend Ordering GWM Parts Before Diagnosis
A fault code or forum post is not enough evidence for expensive parts.
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GWM Articles & Technical Advice
Detailed workshop articles for Great Wall, Haval, TANK, Cannon and ORA owners. Search by symptom, model or maintenance topic and follow the internal links to the relevant service page.
Diagnostics
Diagnostics
Why GWM Diagnostic Work Is Charged by Time
Diagnosis is a testing process, not a flat-price code read.
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Tyres & Suspension
GWM Cannon Suspension Wear: Work Loads, Towing and Tyres
Ute suspension condition should be judged in the context of how the vehicle works.
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Hybrid & EV
GWM PHEV Home Charging: Vehicle Fault or Home Supply?
A charging fault needs the home EVSE and vehicle considered separately.
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4WD & Towing
GWM After a Water Crossing: Fluids and Components to Inspect
Water depth, duration and temperature can affect driveline and electrical components.
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Maintenance
Should a GWM Service Reminder Be Reset Without Servicing?
A reset changes the reminder; it does not perform the maintenance.
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4WD & Towing
Haval H9 Touring Maintenance: Driveline, Cooling and Brakes
Touring use adds heat, load and underbody exposure.
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Older Great Wall
Haval H2 at Higher Kilometres: What to Inspect Beyond the Service
As H2 vehicles age, rubber components, cooling and suspension deserve closer inspection.
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Diesel & DPF
GWM Cannon Diesel Fuel Filter: Why Clean Fuel Matters
Modern diesel injection systems operate at high pressure and depend on clean, water-free fuel.
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Diesel & DPF
GWM Cannon Boost Leak: Signs, Testing and Why It Matters
A split charge-air hose can affect power, smoke and DPF loading.
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