What does the number 1 mean on a distributor cap?
The rotor button should be pointing to the number 1 position on the distributor cap when the number 1 piston is at top dead center (on the compression stroke). The pistons come up two times during the combustion cycle.
What is the purpose of a distributor cap?
The distributor cap is the cover that protects the distributor’s internal parts and holds the contacts between internal rotor and the spark plug wires.
When should a distributor cap be replaced?
Replacing the distributor cap and rotor at the same time should be completed every 50,000 miles, regardless of whether or not they are damaged. If your vehicle does not put on a lot of miles every year, it’s also a good idea to replace them every three years.
Can you clean distributor cap?
This may lead to corrosion. This, therefore, means that you need to replace the distributor cap gasket if you notice a loose distributor cap. For you to get rid of corrosion, you should clean the distributor cap with wd40.
How do you find the number 1 on a distributor cap?
How do you find the number 1 on a distributor cap?
- Look on the distributor cap.
- Follow the wire from the number one cylinder to the distributor cap.
- You can also find the number one terminal by turning the engine manually until the timing marks on the camshaft and crankshaft are lined up.
How do you tell the 1 on a distributor cap?
Finding the Number One
- Look on the distributor cap. Some manufacturers label the number one terminal.
- Follow the wire from the number one cylinder to the distributor cap.
- You can also find the number one terminal by turning the engine manually until the timing marks on the camshaft and crankshaft are lined up.
What would be a reasonable voltage at the tip of a spark plug?
Spark plugs usually require voltage of 12,000–25,000 volts or more to ‘fire’ properly, although it can go up to 45,000 volts. They supply higher current during the discharge process resulting in a hotter and longer-duration spark.