IF you fabricate(compression gauge fitting) a way to put compressed air into the spark plug hole, it will keep the valve closed so you can remove the keepers. Check with Autozone, Pep Boys ect. for a valve spring tool to do it with.
can you change the injector tubes and seals without removing the cylinder head on a 1.7 cdti Vauxhall combi and is it much of a job
To change the valve stem seals on a 1998 Toyota Corolla, start by removing the valve cover and timing belt or chain to access the cylinder head. Use a valve spring compressor to carefully remove the valve springs, then replace the old seals with new ones. Reassemble the components in reverse order, ensuring everything is torqued to the manufacturer's specifications. Finally, reattach the valve cover and timing components, and check for leaks before starting the engine.
Replace them. This can be done without removing the heads. Talk to your mechanic about this.
It is used to replace valve seals on many automotive engines without removing the cylinder head from the block.
You need to change the seals. You can buy a complete set of seals, or just change the seal that leaks. it is pretty simple and can be done with no special tools. But be aware not to get any dirt into the pump.
most auto parts stores sell a kit with everything you need for this task. Including instructions.
Lots of labor but can be done without removing heads. If doing it yourself, not much cost -- seals plus valve cover gaskets. Shop cost if not doing it yourself -- prohibitive.
To change the pushrod seals on a 1988 Sportster, start by removing the pushrod covers and the pushrods themselves. Then, carefully remove the old seals from the engine case and install the new seals, ensuring they are seated properly. Reassemble by reinserting the pushrods and replacing the pushrod covers, making sure to torque everything to the manufacturer’s specifications. Finally, check for leaks before taking the bike for a ride.
The valve seals most likely.
To change the oil seals on a 1996 Suzuki KingQuad, start by draining the engine oil and removing any components obstructing access to the seals. Carefully pry out the old seals using a seal removal tool or a flat-head screwdriver, taking care not to damage surrounding areas. Clean the seal seating surfaces and lubricate the new seals with a bit of oil before pressing them into place. Finally, reassemble any removed components and refill the engine with oil.
if your talking about the oil seals that go around the valve stems, you can do it with some specialized tools. But if your talking about removing the valves which include the stems then your going to have to pull the heads to get them out.
To change the fork seals on a Suzuki Bandit 1200, start by removing the front wheel and brake calipers, then detach the forks from the bike. Use a fork seal driver tool to carefully remove the old seals and clean the fork tubes. Install the new seals, ensuring they are seated correctly, then reassemble the forks with fresh oil. Finally, reinstall the forks onto the bike, reattach the wheel, and ensure everything is tightened to the manufacturer’s specifications.