How do you change spark plug and wires on a 1994 Oldsmobile royal 88?
Change one plug at a time. Start by removing the "boot" covering the spark plug. Leave wire connected on other end. Use ratchet with "spark plug" attachment. Remove old plug, insert new plug. Attach new wire. Follow old wire to the correct connection. Remove old wire. Connect new wire. Continue until all plugs and wires are changed.
Pull the spark plug wires off the spark plugs. Remove the spark plugs with a spark plug socket. Install the new spark plugs and put the spark plug wires back on. I recomend replacing the spark plug wires as well. If replacing them, just remember that the new wires are hooked up the same ways that the old ones came off.
to change the spark plugs...they have a special tool you by and you pull the wires off then you stick the tool down inside and you unscrew them and the install the others! on this vehicle you have to remove the coil pack on the back of the engine to get to the rear plugs to do this take the four bolts off the coil pack and simply move it out of the way to…