It would take many pages to itemise all the things that you would need to do to change a head gasket on any engine.
If you need to ask such a question then you are not competent to carry out the operation. Take it to a mechanic.
Do we need special tools to install the timing chains on 2003 ford f150 4.6 engine
nope has to be the 32 valve engine
How do you remove and replace the battery on a 2001 Ford F150?
Repair or replace the oil pump, or replace the valves, if the oil pump is working properly.
how to replace an oil pan that goes to a ford f150 1993? how much does the pan cost,and can you show a picture of it?
How do you replace the tail gate latch on a Ford f150
how do you replace a Ford F150 rear axle seal
What question
Find the thermostat at the engine end of the upper rad hose. When you replace it , make sure the spring goes toward the engine.
a/c compresser
what carbutor model engine fit in a 1994 ford f150 with a 5.8 lighting engine
No , the 5.4 liter is a ( V8 ) engine in the Ford F-150