A car’s distributor cap is one of the most essential engine management parts. The main purpose of the distributor cap is to ensure that current from the coil is directed to the spark plugs. The cap has not been installed in any vehicle manufactured since the late 1990s. It works in conjunction with the rotor (or distributor rotor) and together they ensure the distribution of current in a precise order, in turn, to each spark plug. Hence, it is important to clean and change the distributor cap and make sure there is no moisture left.
Let’s find out in detail how to change the car distributor cap.
Step To Change Car’s Distributor Cap
One of the main reasons for maintaining a distributor cap is that it protects the distributor’s internal parts and carries the voltage to the spark plugs. That said, here is a step by step guide to clean and change a distributor cap.
Step 1: Locate the Distributor Cap
One of the first things you should do is find the location of the distributor cap. The distributor cap is located under the hood near the centre of the engine parts. Once found, disconnect the negative battery terminal from?
Step 2: Plug-Out the Cables
Disconnect the wiring from the distributor cap. To disconnect a cable, it is essential to hold it by the anti-interference cap. Push it all the way and rotate it on its axis to detach it, then remove it without damaging it.
Step 3: Get the Cap Out
Remove the screw or unhook the two tabs that secure the distributor cap to the ignition system.
Step 4: Clean the Terminals
Use a piece of abrasive and gently clean the contact terminals. This will help you to remove any carbon built-ups on the metallic terminals.
Step 5: Dry Out
Apply compressed air through the cap to ensure that there is no moisture left. You can also use a soft cloth and dry out the cap completely.
Step 6: Replace the Distributor Cap
Replace the distributor cap making sure that the pins fit well into the notches in the body of the ignition system (at the same time as the gasket if applicable). Once you put a distributor cap into place, reconnect the cables in the correct order.
Tip: When replacing the distributor cap, be sure to check the condition of your ignition wire kit.
When To Change the Distributor Cap?
A distributor cap becomes faulty when the spark plugs receive less current. This leads to difficulty in starting the engine, lack of power, and excessive consumption. Then it goes bad and doesn’t distribute power to the spark plugs, the car won’t start.
Signs of the Bad Distributor Cap
- Presence of moisture
- Presence of cracks
- Scale on the terminals
- Shaking and trembling while driving
- Stalling or a car backfiring from the exhaust
Now you know how often to change distributor cap. Make sure you check the distributor cap when any of the signs listed above are visible, a car backfiring However, there are various other reasons for car exhaust backfiring, apart from the faulty distributor cap. Thus, you must pay attention and take proactive measures.
In case your vehicle needs major repair and replacement, consider buying a used car in the UAE to avoid frequent garage visits.
If you are interested in more car repair and replacement tips, stay tuned to the UAE’s leading auto blog.
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