How do you change the spark plug wire?
How do you change the spark plug wire?
Before installing the boot on to the spark plug, add a small amount of dielectric grease to the spark plug boot. The boot will be fully seated onto the plug when a small click is felt. Plug wires run from the distributor or coil to the plug, and must be replaced exactly as factory run.
When do you need to replace spark plugs?
The engine symptoms can also be caused by faulty spark plugs and other, deeper issues, so you first must prove that your wires have gone bad and need to be replaced. You may need to replace the wires if you see sparks jump to the ground at night with the hood up and engine running.
Do you need an ohmmeter for spark plugs?
You’ll need an ohmmeter for this, and you’ll need to know what the wires’ original resistance was. Test each wire and look for resistance levels higher than when originally installed, as well as higher resistance in individual wires (which indicates a failed wire).
What happens if you pull on a spark plug?
If you pull on the wire instead of the boot, you may destroy the wire, and some of it will be left on the plug. Some of the wires can be very tightly stuck to the spark plug.
When do you know you need to replace spark plug wires?
Look for damage to the wires, and listen for engine malfunction. If you see sparks jumping from the wire to the engine, it is a sign that you need to replace the wires. Be aware of some of the obvious engine symptoms: rough, bumpy idling, and a deep “coughing” sound.
How do you replace spark plugs on a Chevy Blazer?
Torque the spark plugs to 11 foot-pounds with the torque wrench. Lower the Blazer to the ground. Install the new plugs into the number 2, 4 and 6 locations by reversing the removal procedure. Use the same tightening technique as for the driver’s side plugs. Reattach the spark plug wires.
If you pull on the wire instead of the boot, you may destroy the wire, and some of it will be left on the plug. Some of the wires can be very tightly stuck to the spark plug.
You’ll need an ohmmeter for this, and you’ll need to know what the wires’ original resistance was. Test each wire and look for resistance levels higher than when originally installed, as well as higher resistance in individual wires (which indicates a failed wire).
What are the different colors of spark plugs?
Wire Color: original color (black, gray or brick red). Wire Lengths: original wire lengths. Wire Script: original script nomenclature. Wire Script Color: original script ink type and color (white, black or yellow). Wire Braiding: original machine-applied metal braiding (only 1965-74 Corvette big block with radio).
What’s the date on a spark plug wire?
Boot Color: original color (black, gray, brown or orange). Boot Type: original size, shape and configuration (45°/135°, 90°, or 180°/straight). Example of a spark plug wire date code. This code (3-Q-62), means that the wire was manufactured (but not necessarily installed in a vehicle) during the 3rd quarter (July-September) of 1962.
What’s the best way to change a spark plug?
Secure the vehicle using a couple of jack stands and block the rear wheels with a couple of wooden blocks. Set the emergency brake. Put on your goggles and crawl under the vehicle. Then disconnect the spark plug wire. NOTE: Sometimes, you can’t even reach a plug wire end even from underneath.
Boot Color: original color (black, gray, brown or orange). Boot Type: original size, shape and configuration (45°/135°, 90°, or 180°/straight). Example of a spark plug wire date code. This code (3-Q-62), means that the wire was manufactured (but not necessarily installed in a vehicle) during the 3rd quarter (July-September) of 1962.
Wire Color: original color (black, gray or brick red). Wire Lengths: original wire lengths. Wire Script: original script nomenclature. Wire Script Color: original script ink type and color (white, black or yellow). Wire Braiding: original machine-applied metal braiding (only 1965-74 Corvette big block with radio).
