Engine compression & oil pressure testers

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Compression tester kits

When it comes to vehicles, performance is key. To ensure that engines of all types function properly and always operate at full power, it is advisable to check them regularly with compression gauges. A defect in the engine can be found quickly and the efficiency increased.

Compression testers are available in different variants specialized for different types of vehicles, engine mechanics or fuels. These measuring devices should not be missing from a professional automotive workshop. But hobbyists, car and motorcycle enthusiasts can also get a lot of use out of them.

The testers are available as individual tools as well as included in compressor tester kits that provide all the tools needed for professional and easy compression testing. In our extensive range of compression testers you will find everything you need for your engines!

Car & motorcycle compressor testers

Compression gauges can be used on all engine-powered vehicles and are primarily used in the automotive sector and on motorcycles for testing cylinder pressure. With its various attachments and adapters, they are easy to connect and very versatile.

When an engine's performance drops, it's often because of cylinders that have a defect or are worn. With a car compression tester, you can tell at a glance whether the cylinder head gasket is defective, valves no longer close properly or the piston rings are worn. The pressure testers are therefore the ideal diagnostic tool!

Car and motorcycle lovers care for the exterior appearance of their vehicle with great passion, using mainly various automotive paint supplies and paint dryers. However, to ensure that engine performance remains optimal, professional compression testers are a must for every workshop and garage!

Compression tester for diesel vehicles

Diesel-powered vehicles differ from gasoline-powered ones in several ways. The decisive factors here are, on the one hand, the properties of the fuel and, on the other, the mode of operation of the respective engines. Engine compression testers should, therefore, be specially designed for diesel-powered vehicles.

Diesel consists of heavy oil components and is heavier than gasoline. In addition, the fuel has a high flash point and ignites only when exposed to a great deal of heat. This is generated inside the engine through strong air compression. Adding diesel creates an explosion that powers the engine.

Compression gauges for diesel vehicles can be connected to the respective engine with various attachments and adapters for injectors and glow plugs. A flexible hose ensures an adaptable connection, and a precise pressure gauge indicates the existing pressure.

Compression tester for petrol vehicles

As for diesel vehicles, differences in the properties of the fuel and the operation and design of the engines must also be taken into account for gasoline vehicles. Compression testers for gasoline vehicles are, therefore, also adapted to these special peculiarities and offer the appropriate accessories.

Gasoline is significantly lighter than diesel and just as quick to ignite. Spark plugs are installed in gasoline engines, which ignite gasoline particularly effectively. The combustion of gasoline builds up high pressure in the engine, which ultimately powers it.

Professional compression gauges for gasoline vehicles, like their diesel variants, are attached with various attachments and adapters. The connection is made through an exposed spark plug opening. The pressure measurement on various cylinders can be conveniently read from a pressure gauge.

Compression measurement on motorcycle

Most motorcycles have an engine that runs on gasoline. Diesel engines tend to run more erratically and are heavier while not offering higher power, making them rather unpopular. Compression measurement on motorcycles is similar to that of gasoline-powered cars.

When the engine has been brought to operating temperature, all existing spark plugs are removed and the compression gauge is screwed onto each plug hole. When measuring individual cylinders, the engine is started briefly in each case. The pressure gauge shows the existing pressure values.

If the determined pressure is too low, this may indicate that the engine has a defect. If the values are too high, the combustion chamber may be carbonized by oil. If the values deviate too much from each other, cylinder heads, valves or pistons and piston rings are often found to be defective.

Cylinder & oil pressure testers

For vehicles of all types, there are various ways to check the condition of cylinders and the existing oil pressure. Depending on the design of an engine, special tools can be used for this purpose, each performing a specific task. The determined values subsequently allow a precise diagnosis.

With a compression gauge, more precise causes for the defects can be identified, as well as possible wear located. Additionally, pressure loss testers can also be used to give a percentage value of air leaking from the combustion chamber, further isolating the cause.

The oil pressure of engines, aggregates or oil pumps can be tested with professional oil pressure testers. The measurement can be carried out with a suitable adapter either via the opening of the oil pressure sensor on the engine or via the access of the oil filter. Here, too, the values are displayed via a pressure gauge.

Fuel pressure gauge

If a car's engine fails to start or accelerates too slowly, low fuel pressure may be the cause. With a fuel pressure gauge, you can check whether gasoline or diesel is being injected into the engine with enough force. The exact values of the meter can be read at a glance on the pressure gauge.

If you suspect a defect, an initial visual inspection can determine whether there is damage to hoses, the fuel tank or blockages in the fuel filter. Then you can attach the fuel pressure gauge to the injection system and analyze the values.

With its various adapters, the gauge adapts to any engine mechanics and can be ideally supplemented with high-quality fuel pumps if defects are discovered. A professional fuel pressure gauge is therefore a universal and optimal tool for oil pressure and oil quantity check on your car!

Vacuum tester - not only for brake ventilation

A professional vacuum tester is an extremely versatile tool. This device can be used to check the sealing of pipes and valves, test the priming and bleeding of brake systems, as well as monitor a pneumatic as well as hydraulic clutch system - the optimal multi-function tool for your garage!

Vacuum testers usually include a vacuum pump in the set, also called a vacuum gun, which has been designed for easy use by hand. You can create a vacuum or build up the necessary pressure via the pump's trigger. The resulting level of negative or positive pressure is displayed on a pressure gauge.

Braking systems in particular should always be in optimum condition in a vehicle to ensure safety when driving. If a defect in the brakes is detected by testing with a vacuum tester, you can upgrade your equipment with professional brake piston tool resets to repair your vehicle.

How to check the engine oil pressure?

To check the engine oil pressure in a vehicle, you should first remove the plug connections of the oil pressure switch when the engine has cooled down and then remove it. Now you can connect a professional oil pressure tester and bring the engine up to the necessary temperature to get the readings you need.

When reinstalling the oil pressure switch, it must first be freed of older sealant residues and new sealant must be applied to the thread. Once the engine has cooled down, you can reinstall the oil pressure switch with the plug connections.

The exact procedure of an engine oil pressure test may differ depending on the design of the oil pressure tester and your engine. Oil pressure testers usually have several adapters and can be attached and used in different ways on specific engines.

How to increase the engine oil pressure?

If you suspect that your vehicle's engine oil pressure is too low, you should first check it with a high-quality oil pressure tester to get accurate readings. Because it can be the case that only the oil pressure sensor is defective and therefore does not provide you with correct values.

If the oil pressure is indeed too low, the spring pressure at the oil pressure valve can be increased by inserting washers for a quick solution. However, insufficient oil pressure is usually caused by wear of the oil pump or the main and connecting rod bearings. In the long term, it is advisable to repair these parts.

Do you need to repair your vehicle or change your tires? In our range of tire changers you will find oil pressure testers, balancers, boosters and changers as a perfect basis for all professional repairs of your car or motorcycle!