Do it yourself
Frequently asked questions about cars and motorcycles

How does a vacuum pump work?

Model: (Various brands) Various

Vacuum pumps are installed in vehicles that do not have sufficient vacuum. Diesel engines, on the other hand, are equipped with vacuum pumps as standard, as they do not have throttle valves to create a pressure difference. In many vehicles, vacuum is used to boost brakes, but also to operate pneumatic devices such as exhaust gas recirculation valves, exhaust gas valves, secondary air valves, intake manifold circuits, and turbine controls and of the turbocharger. Vacuum pumps generate a negative pressure of approximately 0.7 to 0.9 bar.


Posted on 10 June 2024 by ScegliAuto



How to replace the high-pressure pump nozzle.
(Various brands) Various If our car presents: increased noise, decreased performance, engine running poorly and stalling, the causes can be fluctuation of pressure in the acc
How to replace the oil pump
(Various brands) Various This operation requires special skills and tools, in fact to carry out this repair it will be necessary to remove the engine from its housing to be a
How to check the operation of the fuel pump (float)
(Various brands) Various Let's see in this video how to check the operating status of the electric fuel pump or the floating pump immersed in the tank of our vehicle, by foll

Other guides that may interest you

    Frequently Asked Questions

    • Vari - Theses and reviews on Nexen N' Blue 4 season Read Answer
    • Vari - Reviews about Masterstell All Weather tyres Read Answer
    • Vari - How to change the time in a Beverly 300? Read Answer
    • Vari - What to do if the Piaggio Beverly 300 seat does not open? Read Answer
    • Vari - How does the BRC LPG switch work? Read Answer
    • Vari - When to do the service on the Yamaha Xmax 300? Read Answer
    • Vari - What if the Piaggio Porter tipper does not work? Read Answer

How to deactivate the safe lock on a Volkswagen Golf.

The safe lock is indeed an anti-theft system that prevents thieves from accessing the car. This device locks the doors, both externally and internally, when the driver activates the central locking remote control after leaving the vehicle. To permanently disable it, it is necessary to use a diagnostic program such as VCDS that we will connect to the vehicle through the ODBII port. Then wait for the connection and recognition of the control unit and then select the blocks present and locate the safe lock to disable it. And the job will be completed.

Watch the video!


by ScegliAuto

More videos