Do it yourself
Frequently asked questions about cars and motorcycles
Car Tutorial (Do it yourself) Motorcycle Tutorial (Do it yourself) Frequently Asked Questions
  1. Car
    2. :
  2. (Various brands)
    3. :
  3. Various
    4. : Intake and exhaust valves: things to know.

(Various brands) Various - Video tutorial

Model: (Various brands) Various
Part: Valve
Operation: Intake and exhaust valves: things to know.

In this video, we finally find out why intake valves are slightly larger - about 10/15% - than exhaust valves. Intake valves do not need to be cooled because they draw in air, which naturally cools them. Additionally, the combustion chamber needs to be filled as quickly as possible to increase performance. On the other hand, exhaust valves are smaller due to the need for a tighter seal; being smaller allows for a better seal. Furthermore, being smaller helps dissipate heat more quickly on the valve head.


Posted on 18 July 2023 by ScegliAuto



Why do exhaust valves get damaged more easily in bi-fuel cars
(Various brands) Various In this video we see why engines running on LPG and methane are more likely to have damaged exhaust valves: we see in the cylinder head that the smal
How to adjust the valves of an engine
(Various brands) Various To be able to adjust the valves on a four-stroke engine, it is necessary to remove the engine head cover in order to access the rods and rocker arms.
How to adjust the mechanical valve tappets 106 1 1 petrol
(Various brands) Various In this description and related video we see how to proceed to measure adjust the valve clearance, the first thing to do is rotate the crankshaft pul

    Frequently Asked Questions

    • Vari - What are the symptoms of a broken overboost valve? Read Answer
    • Vari - How much does it cost to replace the LPG multivalve? Read Answer
    • Vari - What is meant by "desmo" system? Read Answer
    • Vari - How does the turbo solenoid valve work? Read Answer
    • Vari - How much does it cost to replace engine valves? Read Answer
    • Vari - What are the symptoms of a faulty EGR valve? Read Answer
    • Vari - What causes the fuel valve on Opel cars to not open? Read Answer
    • Vari - Why is the methane valve blocked? Read Answer
    • Vari - How to unlock the LPG valve in cars? Read Answer
    • Vari - What to do if the wastegate valve gets stuck closed? Read Answer
    • Vari - How much does it cost to replace the valve guides? Read Answer
    • Vari - Why is the wastegate valve blocked? Read Answer
    • Vari - What are the symptoms of a blocked wastegate? Read Answer
    • Vari - How much does the passenger compartment heating control valve cost? Read Answer
    • Vari - How much does it cost to replace the EGR valve? Read Answer
    • Vari - How does the Wastergate valve work, and what is it for? Read Answer
    • Vari - How much does it cost to clean the EGR valve? Read Answer
    • Vari - How do you unlock the thermostatic valve? Read Answer
    • Vari - How much does it cost to replace the thermostatic valve on my car? Read Answer
    • Vari - Where is the thermostatic valve located? Read Answer

How to reset the oil service in the Fiat Toro?

In this tutorial we can see how to reset the oil service in the Fiat Toro. Before carrying out this simple and quick operation, make sure that you have completed any required maintenance work. We start by inserting the key but leaving it in the initial position, after which we keep the accelerator pedal fully depressed and at the same time turn on the instrument panel. At this point, always keeping the accelerator pressed, press the brake pedal 5 consecutive times and, with the pedals in position, turn off the ignition. We check that the procedure has been successful by starting the vehicle.

Watch the video!


by ScegliAuto

More videos