How to change glow plugs [AUTODOC TUTORIAL]

How to change glow plugs on a car – replacement tutorial
Things you may need:
a set of suitable tools
a set of new glow plugs
torque wrench
a glow plug socket
high temperature grease
all-purpose cleaning spray
WD-40 spray
Please note!
  • Glow plugs are heating elements used to aid in starting a diesel engine
  • Their number corresponds to the number of engine cylinders
  • The glow plugs all have the same service life and should be replaced as a set
  • Glow plugs are located in the cylinder head
  • Depending on the vehicle design, they can be fitted at the front, rear or on top of the engine
  1. 1.
    How to change Glow Plugs - free PDF and video manuals
    Before getting down to work, make sure that the engine has cooled down
  2. 2.
    How to replace Glow plug - step-by-step manuals and video guides
    Open the bonnet and remove the engine cover
  3. 3.
    Heater plugs replacement on your car: free workshop manuals
    Locate the glow plugs
  4. 4.
    Changing Heater plug by yourself
    Look at the design of the glow plugs and their electrical contacts
    Before getting down to work, check that no power is being supplied to the glow plugsMake sure the ignition is offIn some cases you may need to disconnect the negative battery terminal
  5. 5.
    How to remove Diesel glow plugs - online easy-to-follow instructions
    Remove the common power supply terminal, if your car has one
  6. 6.
    How to replace Glow plug: download PDF manuals and video instructions
    Or detach the connectors from all glow plugs
  7. 7.
    How hard is it to do yourself: Heater plugs replacement - download illustrated guide
    Clean the working area
  8. 8.
    Need to know how to renew Glow Plugs? This free workshop manual will help you to do it yourself
    To unscrew the glow plugs, use a torque wrench with a suitable socket
  9. 9.
    Changing of Glow plug won't be an issue if you follow this illustrated step-by-step guide
    Set the wrench to the torque value recommended by the car manufacturer. This value may be specified on the package or in the car repair manual
    To avoid breaking the glow plug, do not exceed the prescribed torque
  10. 10.
    Heater plugs replacement: online guides and video tutorials
    Before removing the glow plugs, clean the working area again
  11. 11.
    Replacing Heater plug on your car by yourself
    If the glow plugs are difficult to access, use a magnetic pickup tool with a flexible shaft
  12. 12.
    Diesel glow plugs DIY replacement workshop manual
    If the preset torque is insufficient to unscrew the glow plugs, you can try the following: Remove the parts after warming up the engine to the operating temperature
    Proceed with caution to prevent burns
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