EQC ZF A293340xxxx Repair Operation Manual – #1214202591231 – IN PROGRESS – VALIDATED

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Price for operation manual:
Repair manual price: 1000€ + Tax

This operation manual is a proprietary business secret that outlines the refurbishment process for repair of Drive unit where it start milling and buzzing. By following the provided instruction steps, which include text, images, and videos, you will be fully equipped to repair the Drive unit effectively and efficiently. Manual is non-refundable

Info
You can charge this service: 2500-3800€ + Tax
You need 30 labor hours to deploy this repair
Mercedes OEM CHARGE:
Drive unit: 3200€-5200 +tax
Labor 1200€+tax
Author: Vanja , Domagoj
Info
Common causes:
  • Thermal degraded oil
  • Coolant leak on KACO seal - ZF bad design
  • Normal tear&wear
  • Missing oil inside diff 1 speed gearbox
Info
Errors:

Milling and buzzing sound from electric motor

Low isolation error code

Info
Part numbers:

A2933406800,

A293340xxxx, A2933406800, A 2933405000, A2933406300, A2933408400,
A2933409300, A2933409600, A 2933403700, A2933405100, A2933406400, A2933408500, A2933409400, A2933409700, other

Info
Tools needed (prepare it) :
  • Workshop lift
  • Allen key 5,6,7,8,9.10
  • Torx 5,6,7,8,9.10
  • Fluke Voltmeter
  • Repair eDrive kit - Replacement parts ( Front ) and ( Rear )
  • HV Gloves
  • Hydraulic bench table - HV Battery
  • Bearing extractor tool - Gedore
  • Press tool
  • Other mechanic set of tools
Info
Repair operation steps
 Step 1:
Before performing any work on the Skoda high-voltage drive unit system, it is mandatory to prepare a controlled and safe working environment in accordance with high-voltage safety protocols. Lvl 3 HV Access license needed.

Read error codes with diagnostic tool and confirm you have same error codes and faults.

Secure the work area – The workspace must be clean, dry, clearly marked as an HV zone, and equipped with proper safety gear (HV gloves, face shield, insulating mat).

Disconnect the 12V system 

Perform safe high-voltage system shutdown – Using approved tools and following OEM procedures, disconnect the HV connectors and wait the required cool-down period for capacitor discharge.

Verify absence of voltage (Zero Voltage...
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