How do you replace a distributor spark plug?
Transfer spark plug wires one-by-one onto the new cap, following their location in the old cap as a guide and installing them in the same position in the new cap. Lift the old rotor off and install the new one making sure it is aligned the same way the old one was.
How do you replace a distributor cap and rotor?
Lift the old rotor off and install the new one making sure it is aligned the same way the old one was. While you have the rotor off, try moving the distributor shaft back and forth to check for any excessive lash or play in the shaft itself.
What are the wires in a spark plug?
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What causes a spark plug to wear out?
Like all moving parts, distributor caps and rotors eventually wear out from a combination of heat, vibration, extreme voltage, cracking and carbon deposits and need to be replaced. These factors cause the plastic in the cap to break down over time and the internal plug wire contacts to oxidize and deteriorate from spark arcing.
How do you remove a spark plug from a distribitor?
Wiggling and slightly twisting the wire boots while pulling upwards will aid in removal. It is a good idea to trace the spark plug wires from each cylinder back to the distributor cap when labeling the wires. Now that the spark plug wires and coil wire are removed from the distribitor cap, the cap can be removed from the distributor.
What happens when distributor cap and rotor fail?
Over time, the contact points on the distributor cap and rotor can wear, have excessive carbon buildup, or even break. Typically, these issues will cause reduced engine performance; however, in severe cases, a failed distributor cap or rotor will prevent your engine from running at all.
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Like all moving parts, distributor caps and rotors eventually wear out from a combination of heat, vibration, extreme voltage, cracking and carbon deposits and need to be replaced. These factors cause the plastic in the cap to break down over time and the internal plug wire contacts to oxidize and deteriorate from spark arcing.