EV Knowledge Center

EV Academy

Practical Chinese EV education for repair shops, distributors, importers, fleet operators, and owners.

Accurate parts matching

Read an OE part number and compare the listing with your vehicle before you inquire.

Latest Academy Articles

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Intake and Turbocharging3 min read

Dirty mass-airflow sensor: Motorservice SI0079 cautions against compressed-air cleaning

Motorservice SI0079 warns that compressed air can damage MAF sensing elements. Check contamination and related systems before deciding on replacement.

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Intake and Turbocharging3 min read

Leaking turbocharger hoses: diameter alone does not identify a replacement

After confirming a boost-hose leak, check material, shape and connections. Similar diameter does not establish a suitable replacement.

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Steering Systems3 min read

Loose steering and uneven tyre wear: inspect tie rods before relying on alignment

Steering play and uneven tyre wear need component checks as well as alignment assessment. Inspect tie-rod joints, connections and dust boots.

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Air Conditioning and Thermal Management3 min read

Electric A/C compressor oil: why a specified POE system cannot use a generic substitute

DENSO guidance for specified ND-oil 11 systems covers oil mixing and insulation risks. Refrigerant compatibility alone does not establish oil suitability.

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Ignition Systems3 min read

NGK spark plugs and anti-seize: read dry-installation and tightening requirements together

NGK guidance links dry installation to tightening conditions. Check seat type, threads and cylinder-head material rather than adding anti-seize.

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Cooling Systems3 min read

Slow coolant loss without an external leak: Motorservice SI1003 and the EGR cooler

Motorservice SI1003 highlights internal EGR-cooler leakage. Check the applicable cooling path before assuming a cylinder-head or gasket fault.

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Transmission and Driveline3 min read

Startup knocking and dual-mass flywheels: LuK says to inspect the starting system first

LuK 0104-PL calls for battery, starter and wiring checks before assessing a dual-mass flywheel. Startup noise alone does not justify ordering one.

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Engine and Timing3 min read

More vibration after selecting a gear: distinguish engine-mount types and faults

Separate vibration generation from its transmission to the body. Identify rubber, hydraulic or controlled mounts before defining repair scope.

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Wiring and Electrical Protection3 min read

Similar high-voltage connector colour and pin count: what else must be checked?

Check connector series, position assurance, HVIL functions and permitted vehicle repair scope. Similar appearance does not establish interchangeability.

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Wiring and Electrical Protection3 min read

GWM hybrid high-voltage harness shielding-ring recall: communication faults need diagnosis

Australian recall REC-006516 links inadequate harness shielding-ring grounding to control communication, torque and hybrid cooling concerns.

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Braking Systems3 min read

ATE coated brake discs: check Service-Information 200.001 before cleaning

ATE 200.001 distinguishes factory coating, initial bedding noise and coating residue. Follow the instructions for the actual coated disc.

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Braking Systems3 min read

ATE TD003 brake-cylinder paste: respect the application position and fluid system

ATE TD003 limits brake-cylinder paste to specified internal applications and fluid systems. Check material compatibility rather than treating it as grease.

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