You can extend the faucet pipe by, getting an extra metal pipe and welding it with the faucet pipe and it shall be extended.
with couplings or unions
Call a pumer
By checking the vent to make sure its working and that no one installed an AAV
The break and repair events probably released debris into the pipe. These eventually get caught in the faucet valve and it may have to be disassembled to remove them. check the areator
Shut of the water to the faucet. If a local shut off is not present then the main house shut off will have to be used, or the cutoff at the meter. unless plastic pipe is used then the faucet screws onto the water pipe. It will probably take a pipe wrench on the pipe and the faucet to break it free. use Teflon tape to cover the pipe threads before screwing on the new faucet. Turn the water back on and check for leaks.
The hot water pipe is not clamped properly. When the water flows through the pipe when you open the faucet, the turbulence makes the pipe move and bang against what ever it is not clamped to properly.
Someone may have shut off the water to that faucet, or a pipe may have froze, or there may be air in the pipe.
To raise the height of an outdoor water faucet, the best thing to do would be to get an extension for the existing pipe that will bring the faucet to the height desired. Remember to turn off the source of the outdoor faucet before starting this project. Remove the faucet valve, screw in the new pipe, replace the faucet valve. Sealing the ends of the new pipe with plumber's tape is also a good idea.
Rust popped off inside the pipe and plugged the faucet.
It may be easier and cheaper to buy a whole new faucet.
This "knocking" sound probably means the pipe is hitting against something (like a wall). Possibly a clamp that holds tight the pipe is loose and the pressure is moving the pipe against something. It is possible to place a wooden wedge in the problem area so the pipe does not "bang" or "knock", or get a clamp.
Maybe the kitchen is further away and on smaller pipe.
It may be easier and cheaper to buy a whole new faucet.