What’s happening is that the moisture that’s stuck inside the distributor cap is compromising your spark. The spark is sufficient when all the other conditions are perfect, but once rain or moist air steal additional energy via the old spark plug wires, the engine starts misfiring.
What will a bad distributor cap do?
A faulty distributor cap can cause your engine to stall. Voltage must be produced by the spinning distributor rotor for the engine to keep running. If the rotor does not rotate properly, the engine loses power and stalls out as you’re trying to drive. The longer you let this go on, the worse it will get.
How do you get moisture out of a distributor cap?
Drying The Cap
Can I spray wd40 in my distributor?
Using WD-40 to repel water from spark plugs, distributors, alternators, and batteries is a good way to prevent corrosion and keep moisture away. You can also use it to ease the removal of spark plugs, especially if there is any rust or corrosion.
How do you clean the inside of a distributor?
Pick up the distributor cap (don’t let any wires come off) and take a look inside it. Wipe the inside clean with a lint-free rag....How to Tell If You Have a Faulty Distributor
What does a bad distributor cap sound like?
Your vehicle may make some very strange noises if the distributor rotor and cap are malfunctioning – specifically because the cylinders will try to fire but fail. You might hear a tapping, clicking, or sputtering sound when the distributor rotor and cap are failing.
What causes a distributor cap to corrode?
One of the most common reasons, is that your distributor cap has a hairline crack that is admitting water and condensation. At times, the distributor cap needs a new gasket, and if the old one is not replaced, it leads to corrosion.
When should a distributor cap be replaced?
every 50,000 miles
How do you fix a distributor cap?
How to Replace a Distributor Cap and Rotor
What is inside the distributor cap?
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. The rotor is attached to the top of the distributor shaft which is driven by the engine’s camshaft and thus synchronized to it.
Can you drive with a bad coil pack?
It is possible to drive with a faulty Coil On Plug (COP), but not advisable. Driving with a faulty waste spark ignition system won’t be possible. Driving with a faulty coil pack can damage other components of the engine. You’ll also learn how to diagnose and replace your faulty coil.
