Tag Archives: engine

8 Signs That Your Car’s Alternator Is Failing

alternator

The alternator is an important part of your vehicle’s electrics. It works like an old fashioned dynamo, turning motion into charge that’s used to keep the battery topped up and the electrical systems functioning correctly.

With the big demands on power from the modern car, any problem with the alternator can cause systems like engine management, entertainment, climate control and even the dashboard to work intermittently or perform poorly.

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Replacing a Mass Airflow Sensor

Mass airflow sensor

Your car’s mass airflow sensor is the part of the engine that’s used to monitor the amount of air used in the combustion process. The part is only found on fuel-injected engines and it works with the ECU to ensure that the right amount of air is being supplied to the engine, to ensure efficient combustion of fuel in the cylinders.

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How to Replace Your Car’s Water Pump

water pump

Your car’s water pump performs an obvious yet essential function. There are a number of signs that can indicate that this part is on its way out. If you suspect your water pump is faulty then a piece of cardboard under the engine at night may well show up giveaway drip marks. Similarly a loose pulley around the water pump or a low pitched grinding noise are both symptoms of a faulty pump.

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Replacing your Car’s Distributor

distributor

The distributor cap controls the ignition sequence in your engine. It ensures that each of the pistons fires at the right time to keep your car turning over. There are a number of signs that your distributor could be fatigued or degraded, and unsurprisingly most of these are linked with your car’s performance. These include shakes when the car is idling at a junction or red light, problems starting in the cold, stalling and backfiring, and trouble with the engine turning over.

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Replacing a Fuel Injector

fuel injectors being taken out of an engine

All engines need air for the combustion process. Fuel injection systems have replaced the old style carburettors that previously mixed the fuel with the required oxygen and are now commonplace in most engines. There are a number of common signs that these small parts are becoming clogged or fatigued, including the detonation of petrol on the exhaust or the vehicle failing to start with a full fuel tank.

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Replacing a Cylinder Head

Cylinder Head

How do you know if a cylinder head in your engine is having problems? One of the most common tell-tale signs will be a noise that your engine is misfiring, leading to performance problems and you may even notice that your engine is rapidly overheating after a few low speed miles on the road. Other symptoms include a sweet odour coming from the engine block, created from coolant leaking into the engine, or a puddle of coolant collecting under the car where it’s previously been parked overnight.

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Replacing Your Starter Motor

Starter Motor

The obvious symptom of a failed starter motor is a car engine that simply fails on ignition. The other key indicators are that there’s a working power supply, which is indicated by working lights and radio and that the car will start with jump leads. If you’re suffering from this situation it’s definitely time to call up the parts shop or second hand supplier and look at replacing the starter motor.

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