It is normal to replace them.
It is normal to replace them.
No the valve seals are between the cam and the head, under the valve spring
The Chevrolet 350 stock "O" ring valve seals attach to the valves not the heads but, yes the head assembly has valve seals.
Bad valve seals will that. You can purchase oil treatment which allows partially restore failing gaskets. But if the engine is doing that for a while, you need to replace the seals.
bad valve seals, bad piston rings bad valve seals, bad piston rings
To repair leaky valve seals in an engine, start by removing the valve cover and using a valve spring compressor to access the valve springs and seals. Replace the old seals with new ones, ensuring they fit snugly over the valve stems. Reassemble the components in reverse order, applying new gasket material if necessary. Finally, check for leaks by running the engine and monitoring performance.
To replace valve seals, first, remove the valve cover and cylinder head to access the valves. Use a valve spring compressor to carefully remove the valve springs and retainers, which will free the valve seals. Replace the old seals with new ones, ensuring they fit snugly, then reassemble the components in reverse order, making sure to torque everything to the manufacturer's specifications. Finally, reattach the valve cover and check for leaks before starting the engine.
White smoke when cold - normal condensation burning off Blue smoke when engine is at normal operating temperature - could be bad valve guides or seals.
No, oil treatment will react in the same way as regular oil. Replace the valve seals.
Noisy valve train. Remove the valve cover and inspect the valve train.
To change the valve seals on a Mazda B2200, first, remove the valve cover and the rocker assembly. Then, use a valve spring compressor to carefully remove the springs and retainers, allowing access to the valve seals. Replace the old seals with new ones, ensuring they're seated properly, and reassemble by reversing the disassembly steps. Finally, reattach the valve cover and ensure all components are securely in place before starting the engine.
Valve seals If the oil is on the top of the plugs, there could be valve cover plug tube seals to change.
Most likely bad valve guides and seals. Pretty normal for a high mileage Chevy.