MX6 626 & Ford Probe Spark Plug Wires | How to Change DIY

Published on October 13, 2016
Duration: 8:57

This guide details the process of replacing spark plug wires on a Mazda MX-6, 626, and Ford Probe. It emphasizes removing and installing wires one at a time, matching them by length, and ensuring proper routing to prevent arcing and contact with engine components. The video also highlights the importance of using wire clips and offers solutions for difficult installations.

Quick Summary

To avoid mixing up spark plug wires during replacement, remove and install them one at a time, matching each new wire by length to its original position. Proper routing and the use of wire clips are essential to prevent arcing and contact with hot engine parts.

Chapters

  1. 00:00Introduction to Spark Plug Wire Replacement
  2. 00:09Strategy: One Wire at a Time
  3. 00:16Matching Wires by Length
  4. 00:45Distributor Cap and Cylinder Numbering
  5. 01:10Replacing the Shortest Wire (Cylinder 6)
  6. 01:33Connecting to Spark Plug
  7. 01:39Connecting to Distributor Cap
  8. 02:07Ensuring a Secure Snap Connection
  9. 02:17Wire Routing and Management
  10. 02:34Dealing with Difficult Rear Wires (Cylinder 2 & 3)
  11. 03:23Attention to Back Cylinders (1, 3, 5)
  12. 04:24Using Wire Clips for Separation
  13. 05:33Tips for Difficult Wire Installation
  14. 05:59Confirming Secure Connection
  15. 06:08Revisiting Difficult Wires (Cylinder 3)
  16. 06:42Option: Removing Distributor Cap
  17. 06:56All New Wires Installed
  18. 07:06Missing Wire Clips and Management
  19. 07:32Final Checks and Double-Checking
  20. 07:45Addressing Loose Wires and Potential Melting
  21. 08:10Securing Loose Wires with Zip Ties
  22. 08:28Reassembly and Final Steps

Frequently Asked Questions

How do I avoid mixing up spark plug wires when replacing them?

The most effective method is to remove and replace spark plug wires one at a time. This ensures that each new wire is installed in the correct position, matching the length of the original wire to its corresponding cylinder.

What is the importance of spark plug wire routing and clips?

Proper routing and the use of wire clips are crucial to keep spark plug wires separated. This prevents them from touching each other, which can cause arcing and misfires, and also protects them from contacting hot engine components like the exhaust manifold.

How can I tell if a spark plug wire is properly connected?

A secure connection is indicated by a distinct 'snap' or click sound when the boot is pushed onto both the spark plug and the distributor terminal. You should feel resistance and ensure it's fully seated.

What should I do if spark plug wires are difficult to connect?

For challenging connections, especially on rear cylinders, you might need to temporarily unplug adjacent wires to create more space. In some cases, it may be necessary to remove the distributor cap to gain better access for proper installation.

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