LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> VinFast >> 2023 >> VF8 Plus >> Repair and Diagnosis >> Transmission >> Automatic Trans >> E-Motor >> Repair Procedures >> eMotor Coolant Inlet Housing Removal And Installation/Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

eMotor Coolant Inlet Housing Removal And Installation/Replacement

Mobile Repair Possible:  No

Special Tools Required: 

Hose Spring Clamp Removal Tool - 51012018 (or equivalent)

Vacuum and Fill Machine - 81392152473

G15972170Courtesy of VINFAST, LLC

In some Service Instructions, the coolant hoses are shown with a ring pull (1). 

This ring pull (1) is only present on a new hose and must be removed after the coolant hose has been installed. 

The coolant hoses installed in the vehicle have only spring band clamps (2). 

Overview: 

Fig 1: eMotor Coolant Inlet Housing Components Location
G15972171Courtesy of VINFAST, LLC
WARNING: Electricity hazard 
Failure to follow specified procedures may result in death or serious injury from electric shock when working on or near high-voltage components.
  • Only authorised and appropriately trained persons may carry out work on high-voltage vehicles and components.
  • Perform High Voltage isolation procedure prior to commencing work
  • Ensure appropriate Personal Protective Equipment is worn until the system is verified safe
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. Drain the cooling system. Refer to COOLING SYSTEM DRAINING AND FILLING (HV BATTERY AND EMOTOR)
    G15972172Courtesy of VINFAST, LLC
  2. Release spring-type clamp (1) using spring-type clamp pliers.
  3. Pull the eMotor inlet hose (2) off the eMotor coolant inlet housing (3).
    NOTE: Environmental Risk 
    • Collect and dispose of leaking liquids.
    • Observe country-specific disposal regulations.
    G15972173Courtesy of VINFAST, LLC
  4. Remove 2 bolts (1).

    Torque: 6 Nm 

  5. Remove the eMotor coolant inlet housing (2).

Installation Procedure: 

G15972174Courtesy of VINFAST, LLC

Installation note: Use the spring band hose clamp pliers to push the hose on. If replacing with a new hose, you will remove the ring pull (1) to release the clamp. Refer to Picture VF-35-02-663 Make sure that the spring band clamp is aligned inside the marking on the hose.  Refer to HOSE CLAMP REMOVAL AND INSTALLATION/REPLACEMENT GUIDELINES - SPRING TYPE

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

    All fasteners must be tightened to torque specification! 

  2. Fill the cooling system. Refer to COOLING SYSTEM DRAINING AND FILLING (HV BATTERY AND EMOTOR)