Can you replace one piston?
Yes, you can replace one piston, but if you don’t pull the engine down and have it balanced to the rest of the rotating assembly, it technically could be out of balance.
If you buy the exact same piston you probably won’t notice it..
Is it worth replacing piston rings?
It depends on how long did you drive with a bad piston ring, some machining work might be needed to sleeve the damaged cylinder. For some cars it is easier to get a new (used) engine. Otherwise replacing it may be worthwhile, though still a lot of labor to tear down the engine.
Can you replace pistons without removing engine?
In most engines, yes. It depends mainly on how the engine is mounted in the vehicle chassis. If the oil pan will come off, then the rod caps can be removed and the pistons can be removed from the top of the engine block.
How much does it cost to replace piston seals?
The cost of this replacement job will be between $900 and $1,800, depending on the make and model of your vehicle. The process of replacing the valve seals requires disassembling the entire engine until you can reach the valve spring. Take off the cylinder head cover, the spark plugs, pushrods, and rocker arms.
Can you drive with a broken piston?
Best choice get a good mechanic to look at it, bad pistons are rare in passenger cars. It may be affordable to fix and keep it for a while. Driving it if it is overheating or having other issues is unsafe and you may have a long walk home.
Can a broken piston be fixed?
Replacing the single piston – essentially stripping the engine down and rebuilding it (replacing any damaged parts along the way) is probably possible.. but it’s unlikely to be economically sensible. The “metal smacking against something” sounds are worrying..