Should A Distributor Cap Move?

How much play should a distributor rotor have?

Axial play (up/down) should be kept to between 0.010″ and 0.020″.

Shims are available to properly set the axial play, but rotational play is set by the gear on the bottom of the distributor shaft and how it meshes into the gear on the back of the cam..

What makes distributor cap go bad?

One of the reasons a new distributor cap works so well is that there is no carbon in the cap. … The carbon conducts electricity, which can cause a misfire to the wrong plug or arcing between several plugs at once. By keeping the cap clean and looking for damage during engine maintenance, the cap will last longer.

Should a distributor move?

“When you install a distributor, you need to check to make sure it isn’t bottomed out,” he says. … If you can move the distributor shaft up and down a few thousandths, you should be OK. Put the gasket on, set your timing, and you are good to go.

What are the symptoms of a bad distributor cap?

Usually a faulty distributor rotor and cap will produce a few symptoms that alert the driver that service may be required.Engine misfires. Engine misfires can occur for a number of reasons. … Car doesn’t start. … Check Engine Light comes on. … Excessive or unusual engine noises.

Do distributors wear out?

The distributor rotor and cap pass voltage from ignition coils into the engine’s cylinders. … The distributor rotor and cab are subjected to high voltage on a regular basis, meaning every time you turn on your vehicle, electricity flows through them. Because of this, they do wear out from time to time.

Can a bad distributor cause loss of power?

The most common cause for a misfire is a problem related to the ignition system. Misfiring can be caused by loss of spark; imbalanced air/fuel mixture; or loss of compression. … This includes worn, fouled or damaged spark plugs, bad plug wires or a cracked distributor cap.

Where is the #1 on the distributor cap?

The distributor cap only goes on one way due to the notch in the bottom. So you are locked in to that position. Now notice on the TOP (not the side) of the distributor cap the is a “1” raised letter. That indicates the tower where No 1 spark plug wire goes.

How do you find the number 1 on a distributor cap?

Finding the Number OneLook 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.

How much does it cost to replace a distributor cap?

It cost nearly $800 for a distributor cap and spark plug wires.

Can a distributor cap be put on wrong?

The distributor cap and rotor can only fit one way onto the distributor. If the distributor remained in the engine, there is no problem. If you remove the distributor from the engine and do not mark its position, then you crank the engine until #1 piston is at Top Dead Center, then install the the distributor.

How long should a distributor cap last?

That’s why you should replace your spark plug wires, distributor cap and rotor after 60,000 miles. (On distributor-less ignition, the spark plug wires should be replaced.)

How can you tell if a distributor cap is bad?

Check the Distributer Cap Often the distributor cap is suspect. The distributor cap should be inspected carefully to see how the sparks are arcing. The internal and external surface of the cap should be clean. No erosion should be on the surface and the firing points should be free of rust or corrosion.