Apply brake, put gear in 1st or park, turn on flashers, lay out triangle signs (place them 100 feet apart from the PUP)
Chock good tire at front and back
Locate jack and lug tool (under spare in truck, under seat, under hood or in tool box))
Remove Spare tire
Loosen Lug nuts of the flat tire but do not remove them
If the lugs nuts are too tight, you can use a short piece of pipe to increase the leaverge
If needed place jack on boards.
Jack up PUP. Note the jack should be as close to the tire as possible and you will have to raise the PUP higher than is needed to remove a flat tire so that the spare can be placed on the hub.
If you are using a bottle jack there is a risk that the PUP could slip off the jack. You can insert a board between the jack and frame to prevent this from happening.
Board between Jack and Frame to increase surface area
Remove lug nuts
Remove flat tire and replace it with the spare
Replace the lugs
if the lug nuts have a beveled edge, they need to screwed on with the beveled edge first.
Lower the PUP back unto the ground.
Retighten lugs in a crisscross pattern 12 o'clock, 7 o'clock, 3 o'clock, 9 o'clock, 5 o'clock.
Check spare tire pressure and inflate in needed
Put tunctured tire where the spare is kept and repair or replace as soon as possible.
Pack up all the tools
Loosen Lugs and retighten in stages using a torgue wrench as soon as possible. For guidance on torquing see the gallery in the Instructional category.