easiest way to do it is to rent a lift for hte day and do it from underneath the car cause ur not going to be able tochange them from the top half as easy as u will from the bottom just make sure you have the right socket size and depth for the spark plug and loosen them as gently as u can.
how do i change the spark plugs on a Chevy silverado 1500
Chevy Firing Order Check related links below
How do you change the spark plugs on a 2002 chavy trailblazer
Just as long as you get the proper length plugs for the engine you won't damage anything.
Spark plugs and wires
Spark Plugs on a LuminaSee the related questions to the right. HOW DO YOU CHANGE THE SPARKS PLUGS ON A 1993 CHEVY LUMINA APV 3.8L 231-V6 ENGINE (an van)
make sure it's getting fuel and make sure it's getting spark to the plugs.
from under car would be best
ONE AT A TIME.
take it to the dealer
sounds more like ignition problem. plugs, wires or distributor maybe.
should be two plugs on side of tranni, one for drain and other for fill!