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
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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
In order to change the sparks plugs in a Chevy Express 3500 van, you should first remove the front tires. This will allow you to get to the front six plugs. The doghouse also needs to be pulled in order to get to the last two spark plugs.
sounds more like ignition problem. plugs, wires or distributor maybe.