Guides

8 tips before buying a used electric car

Distinguish OEM parts, aftermarket and counterfeit car parts

Car parts as spare parts are available in different designs and types. In case of a defective one on the car, replacement is often needed quickly, and no one wants to pay too much. However, if there are temptingly cheap…
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The EPC indicator light is on or flashing: What to do?

The EPC indicator light is far less well known than other indicator lights in the car. This is because only vehicles with electronic gas pedal pedals have this indicator light in the vehicle cockpit. In our guide, you can find…
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Master brake cylinder: function, defect detection and repair

The brake master cylinder, together with the brake booster, provides the necessary brake pressure in the vehicle’s brake lines. Every time the brake is stepped on, the component is subjected to load. If the brake master cylinder is defective, the…
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OEM car parts for hybrid and electric cars

Electric cars and hybrid vehicles rely on an environmentally friendly electric drive. However, these vehicles also wear out, making it necessary to replace parts. We reveal what you should consider when replacing components on your electric car or hybrid vehicle….
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Used youngtimer and classic car parts - the best tips

Vintage and classic cars have a special appeal to most people. So it is little wonder that the classics are becoming increasingly popular. However, just like the vehicles themselves, required spare parts have not been manufactured for a long time….
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Cruise control: Function and repair of the cruise control system in the car

Cruise control system is a popular driving assistance system that helps the vehicle to maintain a set speed automatically. Depending on the manufacturer, the system is called cruise control or tempostat. The assistance system relieves the driver on the road…
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Exhaust system: Everything you need to know about parts and function of the exhaust system

The exhaust system of the car directs the flow of exhaust gases away from the vehicle and reduces the resulting noise. A modern exhaust system also contains components that help reduce the pollutants in the exhaust gas produced during combustion….
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Locking system: security and reliable locking on the car

The locking system effectively prevents vehicle theft and unauthorized access to the interior. That’s why certain locking devices and security systems have been used since the very beginning of automotive engineering. Now learn all about the components of the locking…
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The engine's air intake system - parts, function and replacement

The air intake system supplies the engine with the combustion air required for operation. This ensures good power output and low exhaust emissions. Find out now everything interesting about the engine air intake system, which components it contains and how…
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Brake caliper defective? How to replace it yourself

The brake caliper is an important component of any modern brake system with disc brakes. However, the component, also known as the brake caliper or fist caliper, can wear out or break over time. In this guide, you will learn…
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Fuel system: parts of the fuel supply from the tank to the cylinder

Internal combustion engines require a reliable fuel supply for operation. To ensure this, numerous fuel supply components work closely together. Find out now how the fuel gets from the car’s tank to the cylinder. Plus, all about the individual components…
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Air conditioning system: function and components of your car air conditioning system.

Today, an air conditioning system is considered standard in all modern vehicles. In the car, the air conditioner provides cooling in the summer and increases comfort while driving. In addition, the air conditioning system reduces humidity, thus protecting the windows…
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The clutch: structure and function explained simply

The car’s clutch makes it possible to start off smoothly and shift into the next gear. In vehicles with combustion engines, the clutch ensures the reliable and at the same time releasable connection between the engine and the transmission. When…
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Detecting and replacing a defective fuel pump

The fuel pump reliably supplies the car’s combustion engine with fuel. If the fuel pump is defective, clear symptoms quickly appear. In our guide, you can find out which signs indicate that the pump is defective and what the possible…
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Surprised? So many pumps work in your car

Numerous pumps are at work in modern cars. They ensure the smooth functioning of the engine and numerous systems. But how many pumps actually work in a car is often surprising. Find out now everything about pumps in cars, what…
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The most common causes of a defective electric car

An electric car has fewer parts than an equivalent vehicle with an internal combustion engine. But do electric cars break down and break down less often? Not at all, because electric cars are also prone to breakdowns. The Allgemeiner Deutscher…
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The 6 most important safety components of your car

While traffic density and thus the number of traffic accidents are increasing, the number of traffic fatalities is steadily decreasing. This is mainly due to modern safety systems and the optimised design of modern vehicles. Here you can find out…
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Identify and repair a defective starter in a flash

Today, a car with an internal combustion engine can be started conveniently from the driver’s seat. All it takes is a simple turn of the ignition key. This is made possible by the starter motor. If the starter is defective,…
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5 common chassis problems and how to fix them

The chassis of a car provides contemporary driving comfort and ensures safe driving of the vehicle. To ensure this under all driving conditions, numerous components of the chassis work together in a coordinated manner. If one or more chassis…
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10 unknown car parts that many drivers do not know about

Nowadays, a car is made up of a large number of individual components. Some of these car parts are familiar to every driver. But there are also parts that hardly anyone has heard of. We have listed 10 car parts…
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Engine cooling: function and important components of the cooling system

Combustion engines not only generate energy in the form of drive energy during operation, but also a lot of heat. This must be dissipated by cooling so that engine components are not damaged by overheating. In addition, the cooling system…
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Differences between petrol and diesel engines

Diesel engines and petrol engines draw their energy from liquid fuels, but they differ substantially. The function of the engines also differs significantly between petrol and diesel. While the petrol engine ignites the gas compressed by the piston in the…
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All-wheel drive: How the mechanics and components of all-wheel drive work

A four-wheel drive system is one in which all four wheels of the vehicle are driven. Compared to two-wheel drive, all-wheel drive systems provide better propulsion on loose surfaces and better traction on slippery roads. Learn all about the function,…
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Engine control unit car: Everything about components and functioning

An engine control unit enables the control of all processes around the combustion engine. This is important so that the engine can function optimally. Here you can find out how modern engine controls work and what they are made up…
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Defective engine control unit: causes, symptoms and repair

The engine control unit is one of the most important components of modern vehicles with combustion engines. If this control unit of the engine is defective, malfunctions can quickly occur. In our guide, you will find out what symptoms are…
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HP vs. torque: What is the difference between power and torque?

Terms such as torque and power reflect important parameters of engines. But the meaning is not always clear, and often the indications cause confusion. What does Newton metre or Nm mean, and what in turn are the horsepower of an…
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EV motors basics: How are they built, how they work and differ from combustion engines

The most significant difference between electric car motors and combustion engines is their power source. While combustion engines derive their power from fuel, electric cars function by plugging the electric motor into a charge point and taking electricity from the…
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The chassis: overview and function of all suspension components

The function of the car’s chassis is to ensure that the vehicle is always in safe contact with the road. At the same time, it ensures comfort when driving by compensating for road irregularities and damping unwanted vibrations. Numerous components…
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Used electric car parts: What to look out for

Electric cars have special components that distinguish them from traditional vehicles with combustion engines. There is no manual gearbox or clutch at all. Other components, on the other hand, hardly differ from those in a classic combustion engine. Our guide…
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The importance of the chassis number when buying used car parts

Every motor vehicle today has a chassis number, thanks to which the vehicle can be identified at any time. The code, known as the vehicle identification number or VIN, is found in the vehicle documents and is also affixed to…
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ABS pump defective? Function, repair and replacement

The ABS pump is one of the central components of modern brake systems. However, if the ABS pump is defective, this can lead to the failure of the ABS system. Find out here whether repairing the component is possible or…
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Injection nozzle defective? Diagnosis, cleaning and changing the injection nozzles

The injection nozzle is one of the most important components of modern injection systems. In earlier times, engines still had a carburettor or intake manifold injection, which provided an ignitable mixture of air and fuel. In modern fuel-injected internal combustion…
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Alternator defective? What symptoms occur and when to change the component

The alternator supplies power for all electrical consumers in the car. In the past, it was only needed for the headlights, but today it is indispensable for the reliable power supply of many components. If the faithful power generator is…
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Water pump defective? Symptoms and how to repair or change it

To prevent the combustion engine in the car from overheating, constant cooling is necessary. The water pump ensures a constant flow in the cooling system and a low engine temperature. However, the coolant pump can become defective, especially if the…
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Steering gear defective? What are the symptoms and when should the component be replaced?

The car’s steering gear works in secret and rarely causes problems. Only when there are clear symptoms of a defective steering gear does the component become noticeable. In our guide, you will find out which symptoms occur with a defective…
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Lambda sensor defective? What are the symptoms and can I clean the sensor?

The lambda sensor measures the oxygen content in the exhaust gas and ensures that the engine is provided with an optimal mixture of air and fuel. If the lambda sensor is defective, symptoms such as increased fuel consumption or poor…
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Defective air conditioning compressor - what are the symptoms and when should the compressor be replaced?

An air conditioning system in the car ensures pleasant temperatures during the warm summer months. If the expected cooling does not start even though the automatic air conditioning is switched on, the air conditioning compressor is often defective. Find out…
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Intake manifold defective? Replace gasket or clean manifold?

The intake manifold is one of the most important components in the car’s intake system. Here, the component ensures that each cylinder is sufficiently supplied with the necessary mixture of fuel and oxygen. Find out now how a defective intake…
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Exhaust manifold leaking? Symptoms of a defective exhaust manifold or gasket and what to do about it

As part of the exhaust system, the exhaust manifold plays a supporting role in the engine compartment. If the exhaust manifold is leaking, the exhaust gases of the engine are not discharged as intended. The function of the engine can…
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Turbocharger defective? Repair or change?

An exhaust gas turbocharger helps the engine to produce more power and improves fuel economy. Numerous manufacturers therefore use a turbocharger in their models. However, this also provides the car with another component that can break down. The question that…
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Servo pump defective? What symptoms occur and when you should change the part

The power steering pump is one of the most important components of the power steering system. If the component is defective, steering assistance is sometimes no longer available. But other problems can also occur if the component fails. Our guide…
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Clutch broken? - These symptoms indicate a defect in the clutch

The car’s clutch is subjected to great stress every time it is driven. It is hardly surprising that the wearing part will break down at some point. In our guide, you can find out what symptoms occur when the clutch…
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Common problems and repair of defective drive shafts

The drive shaft is one of the most important parts of the drive of modern vehicles. Kilometre after kilometre, the components transmit the power of the engine to the wheels. Under the car in the area of the chassis, the…
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Causes of engine noise and what to do about it?

Unusual noises from the engine compartment worry every motorist. It is not uncommon for an unusual noise from the engine to indicate a serious problem with the car. In our guide, we explain what can cause the engine to clack,…
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What can car diagnostic devices do and do I need an OBD scanner?

OBD diagnostic devices enable the rapid detection of malfunctions by reading out the vehicle’s own diagnostics. Thanks to constant further development, the prices for corresponding diagnostic devices have continued to fall in recent years, so that they have also become…
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When and how to replace brake discs and brake pads

Powerful brakes are among the most important systems in modern vehicles. During every journey, they perform hard work by always bringing the car to a safe stop. However, the constant braking of the heavy vehicle does not leave the components…
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Brake warning lamp lights up - causes and what to do?

Every modern car has numerous warning lights on the dashboard to alert the driver to potential problems. One of the most important lights is the brake warning light. This light is activated as soon as there is a problem with…
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EGR valve defective: Avoid engine problems and clean EGR valve

The exhaust gas recirculation valve is an inconspicuous component in the intake tract of many diesel engines and some petrol engines. It ensures that a certain amount of exhaust gases is fed back into the combustion chamber. A defective EGR…
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Improve fuel consumption: How your car uses less fuel

Every car with a combustion engine also consumes fuel. Diesel or petrol are burnt in the combustion chamber of the engine and ultimately provide the propulsion. However, some drivers find that their vehicle’s fuel consumption is simply too high….
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Squeaking brakes: Why brakes squeak and how to get rid of it

Squeaking noises when braking are not only annoying, they are also a cause of concern for many car drivers. However, it is not always the case that the car’s brakes are broken if they squeak loudly. In this guide, you…
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Safely jacking up a car: How to jack up a car using a jack and jack stands

If you don’t have a lifting platform in your garage, you often have to jack up your car. This is the only way to carry out work on the underbody or the chassis. However, there are a few points to…
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How a defect in the muffler becomes noticeable and how it is replaced

The exhaust system of modern vehicles not only reliably discharges the exhaust gases, but also dampens the sound. For this purpose, several silencers are integrated into the exhaust system. Since the mufflers under the vehicle floor are exposed to high…
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E-car motor: These electric car parts you can replace yourself

The electric car is considered a central pillar of a future-oriented and climate-friendly transport system. But can you repair electric drives yourself? And which parts are better left alone for amateurs? Electric motor vs. combustion engine – where are the…
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Engine overheated: What you should do if the engine overheats

To prevent combustion engines from getting too hot during operation, a sophisticated cooling system provides cooling. However, if parts of the cooling system are defective or there is no cooling water, the engine can overheat. In our guide on the…
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Engine check lamp lights up: What you should do as a motorist

The check engine light is one of the numerous indicator lights in the cockpit of every modern car. The indicator lamp, also known as the MKL, alerts the driver to faults in the engine control system, problems with the ignition…
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The engine code: What does the code mean and where can I find it on the car?

In order to be able to clearly identify car engines, they are given an individual engine code by the manufacturer. The code can be used to determine information such as the engine size or the type of engine. This can…
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Tools for car repair: These 10 tools you should own

Car repairs require the right tools. Only then can car parts be replaced smoothly and maintenance work carried out reliably. Find out now which tools are needed for which car repairs and which practical helpers should not be missing in…
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Car repair mistakes: These are the 7 most common car repair mistakes

DIY Car repairs and modifications are fun and can save high repair costs. But not everything always goes smoothly when repairing the car, and some mishaps can cost real money. Find out now what the most common mistakes are when…
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The gearbox code: What does the code mean and where can it be found on the gearbox?

Depending on the model and engine, car manufacturers install different gearboxes. To make it clear which variant is involved, all gearboxes are given a unique gearbox code. If a replacement gearbox is needed after gearbox damage, the matching gearbox can…
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Used parts: How to check the quality of used car parts

If the car is broken, it can be repaired cheaply thanks to inexpensive used parts. However, all spare parts from car recycling should be comprehensively checked. What has already been done by the car recycling company when you buy online,…
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Vehicle transmission: What is the difference between manual and automatic transmission?

The gearbox is the heart of the drivetrain of any car. It optimally matches engine speed and drive speed, thus ensuring the best possible driving performance. In cars, manual transmissions or modern automatic transmissions are primarily used for this purpose….
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Mileage: This is how mileage affects used spare parts

Used spare parts are recovered by car recyclers from a wide variety of vehicles. Some cars have already covered many kilometres when they are dismantled by the car recycler. Other vehicles only have a low mileage because they end up…
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Car recycling: What happens to the car when it is recycled?

If a car is badly damaged in an accident or it is of no economic benefit, it must be disposed of. Whereas in the past it was common to simply park old cars in the scrap yard, today a…
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OEM original parts or aftermarket: these are the differences

If the car is defective, there are various options for procuring replacement parts. It is not unusual for potential buyers to come across terms such as OEM parts and aftermarket parts. But what do the two designations mean, and how…
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Advantages and disadvantages of new and used car parts

New and used car parts: These are the advantages and disadvantages. All car components are subject to constant wear and tear, or can be damaged in an accident. If a suitable spare part is then needed, the question arises whether…
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Starting problems? Top 9 reasons why your car does not start

Cars fail to start faster than they used to because of various reasons. It is a common symptom associated with various problems within your engine. But one thing to be glad about is that these problems are repairable. However, it…
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What’s that smell from my car? Top causes and cures

Many people often know there is something wrong with the engine from the sounds under the hood. However, you can also use your other sensory organ, the nose, to diagnose problems with your engine. Any smell that is out of…
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Advantages of shopping scrap car parts online vs. going to the local breaker yardsl

If you’re the kind of person who does repairs on your own car or likes to save money on finding the right parts yourself, then you’ve probably tried finding and buying parts at the local car breaker/junkyard. But there are…
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10 most frequently purchased car parts from car breakers/junkyard

Many people prefer to go with the cheaper option and source auto parts from junkyards when a car breaks down. This is entirely normal and ends up saving the car owner some money – and in addition is good for…
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Important car parts and their function

Modern vehicles have a large number of different components. All parts interact to contribute to the reliable functioning of the car. It can be a little difficult to keep track of all the components. There are several ways to categorise…
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Common car engine problems: Diagnosing, Troubleshooting and Fixes

The engine is the vital part of any car. It’s responsible for powering everything from your lights to the audio system in addition to running most functions on-board! But sometimes, this vital part gets damaged by problems that aren’t always…
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Best tips for setting up your own home car workshop

A home garage can be used for basic maintenance and vehicle upkeep. That will save you long trips to the mechanic and possibly save you some money. Having a garage workshop or garage at home can have its perquisites for…
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7 Car parts replacements and repair tasks you should not do yourself

With the rising cost of doing car repairs, many people are now attempting to do repairs and tune up the vehicle on their own in a bid to save some money. They consult some tutorial videos and blogs that give…
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DIY Car Maintenance and Repair Tasks

Regular car maintenance is critical to keeping your vehicle in good condition and running smoothly. It can also save you money in the long run by preventing more expensive repairs. Besides that, well-maintained vehicles have the least chance of leaving…
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Guide: How to Maintain and Protect Your Car Engine

If you take good care of the engine, it will have a longer lifespan and serve you better. The engine needs to run smoothly so that the car can continue moving and covering more miles. Therefore, it is very important…
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Best practices for Engine Rebuild

When you come across an engine that has knocked completely or one that requires some of the parts repaired, it is often recommended to fully rebuild it if you are looking to restore it to its new condition. Some mechanics…
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Common Causes of Rear Differential Noise, troubleshooting, and how fix it

Do you hear a loud clunk when you shift gears? Does your car make an unpleasant whining noise in the back? If so, then it is likely that there is something wrong with your rear differential. The rear differential takes…
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Common Causes of power steering noise and how fix it

This guide will take a deep dive into the common causes of the power steering noise, and if you have a car out there, you should give this a good read. The car’s power steering wheel mechanism consists of the…
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Your Guide to Car Engine Components and Functions

Not every motorist knows the car engine basics that will help them to keep their car running properly. In this guide, you will find out the basics of the internal combustion engine and the main difference between petrol and diesel…
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Top 10 of the most popular brands in second-hand autoparts

Autoparts24 is the largest market place in Europe for second-hand parts, with 3 million parts on sale every day. The sale of second-hand parts at Autoparts24 is growing, and the first half of 2017 has seen a 25% increase over…
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France is just so cool

The future increased focus on sustainability and will shape the auto salvage industry. Autoparts24 is convinced that the future will see an increased focus on the recycling of all types of goods that are functional and can replace new items…
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