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Home › VinFast › 2023 › VF8 Plus › Repair and Diagnosis › Hybrid/Electric Powertrain › Cooling Systems › E-Motor Cooling System › Repair Procedures › eMotor Radiator Removal And Installation/Replacement

eMotor Radiator Removal And Installation/Replacement

Mobile Repair Possible:  No

Special Tools Required: 

Hose Spring Clamp Removal Tool - 51012018 (or equivalent)

Vacuum and Fill Machine - 81392152473

WARNING: Hot surface 
Failure to follow specified procedures may result in severe injuries due to burns or scalds.
  • Do not commence work until components/liquids have sufficiently cooled down.
  • Always use personal protective equipment (PPE).
NOTE: Contamination 
Contamination or moisture entering the cooling system can lead to malfunction or functional failure.
  • The vehicle cooling system and any removed components should be capped/sealed during work to prevent contamination entry.

Removal Procedure: 

  1. Remove eMotor cooling fan. Refer to EMOTOR COOLING FAN AND SHROUD REMOVAL AND INSTALLATION/REPLACEMENT 
  2. Drain cooling system (HV Battery and eMotor). Refer to COOLING SYSTEM DRAINING AND FILLING (HV BATTERY AND EMOTOR)
    G15972442Courtesy of VINFAST, LLC
  3. Remove hose clamp (1) with spring band hose clamp pliers and remove coolant hose.
    NOTE: Environmental Risk 
    • Collect and dispose of leaking liquids.
    • Observe country-specific disposal regulations.
    G15972443Courtesy of VINFAST, LLC
  4. Unlock and disconnect the electrical connector from the temperature sensor on the left side (1).
    G15972444Courtesy of VINFAST, LLC
  5. Unlock and disconnect the electrical connector from the temperature sensor on the right side (1).
    G15972445Courtesy of VINFAST, LLC
  6. Remove 4 bolts that attach the eMotor Radiator to the HV Battery Radiator.

    Torque: 4.5 Nm 

    G15972446Courtesy of VINFAST, LLC
  7. Thread and remove eMotor radiator (1) in arrow direction.
    NOTE: Environmental Risk 
    • Collect and dispose of leaking liquids.
    • Observe country-specific disposal regulations.

Replacement Procedure: 

G15972447Courtesy of VINFAST, LLC
  1. Rebuild both temperature sensors (1) on the eMotor radiator.

    Torque: 5 Nm 

    G15972448Courtesy of VINFAST, LLC
  2. Rebuild the 2 lower insulators (1) on the eMotor radiator.
  3. During installation, make sure that the eMotor radiator with the lower insulators (1) snaps into place correctly.

Installation Procedure: 

  1. Installation is the reverse of removal procedure, noting the following.

    All fasteners must be tightened to torque specification. 

  2. Install eMotor cooling fan. Refer to EMOTOR COOLING FAN AND SHROUD REMOVAL AND INSTALLATION/REPLACEMENT 
  3. Fill cooling system (HV Battery and eMotor). Refer to COOLING SYSTEM DRAINING AND FILLING (HV BATTERY AND EMOTOR)
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