How to change ignition leads [AUTODOC TUTORIAL]

How to change ignition leads on a car – replacement tutorial
Required Tools:
Dielectric grease
High-temperature anti-seize lubricant
Please note!
  • High tension leads transmit high voltage electric pulses from the ignition coils to the spark plugs
  • A malfunction in the ignition system is the main reason for replacing the leads
  1. 1.
    How to change Ignition Leads - free PDF and video manuals
    These components are located at the top of the engine. You may need to remove the engine cover or some intake system components to access them
    When replacing the leads, make sure to connect them to the cylinders in the correct order.If the leads are not connected in the right way, the engine will not run correctlyThe engine may even fail to start at all
  2. 2.
    How to replace Plug leads - step-by-step manuals and video guides
    The order you disconnect the components in doesn’t matter. You can disconnect them from either the ignition coil or the spark plugs first
  3. 3.
    Spark plug leads replacement on your car: free workshop manuals
    The ignition coil and leads may not be marked If this is the case, make marks before removing the leads, to indicate what cylinders they should be connected to
  4. 4.
    Changing Spark plug wire by yourself
    The caps of the high tension leads can get stuck with time, so twist them slightly before removing them
  5. 5.
    How to remove Ignition cable set - online easy-to-follow instructions
    Although the design may differ, all high tension leads attach in a similar way
  6. 6.
    How to replace Ignition lead: download PDF manuals and video instructions
    In some cases, you may need additional tools to disconnect the leads from the spark plugs
    Only pull the lead by the cap when disassembling it
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