First, I would highly recommend that you also purchase a set of igniton cables and replace these also because you are most likely to have damaged spark plug boots when you remove the boots from the plugs. Trust me...it happens about 95% of the time, and you will be way ahead of the frustration if you are prepaired.
Pull the spark plug boots off of the spark plugs.
NOTE:
Allow the engine to cool before removing the spark plugs. Attempting to remove the spark plugs from a hot engine may cause the plug threads to seize, causing damage to cylinder head threads.
Clean the spark plug recess area before removing the spark plug. (spray brake cleaner and compressed air works well) Failure to do so could result in severe engine damage because of dirt or foreign material entering the cylinder head, or by the contamination of the cylinder head threads. The contaminated threads may prevent the proper seating of the new plug. Use a thread chaser to clean the threads of any contamination.
Screw the spark plugs out of the cylinder head.
Check the air gap at the electrode end of the spark plug.
The specification for the plug gap on your vehicle is 1.524mm (0.060 in)
Place a SMALL amount of nickle-based antiseize compound on the spark plug thread, being very careful not to get any on the porcelain portin of the plug. If you do get antiseize on the porcelain part of the plug, it is imperative that you clean it off thouroughly using brake cleaner and a clean rag, otherwise it could cause cylinder misfires.
Screw the spark plug into the cylinder head and torque to specifications.
The spark plug torque specification for your vehicle is 15 Nm (11 ft. lbs.)
NOTE: Failure to properly torque the plugs can cause severe engine damage. Overtightening the plug can damage the threads in the cylinder head and/or make spark plug removal in the future impossible. This will cause you to have to remove the cylinder head for repair the next time the vehicle needs service on the spark plugs.
Undertightening can cause the plug to leak compression and damage the threads in the cylinder head. This can result in the plug blowing completely out of the head causing severe cylinder head damage.
When replacing the ignition cables, make sure they are routed EXACTLY as they were originally routed from the factory. Make sure that all protective wire loom and fasteners are transfered to the new wires and secured properly. Failure to do so can cause damage to the cables, engine misfires and can cause the spark plug wires to "spike" sensitive sensor circuits that are nearby and cause damage to the sensors or your computer modules. Improperly routed ignition cables have also been known to cause interference in radio and stereo systems.
HINT: The rear plugs on your engine are much easier to get to if you remove the two engine struts that go between the engine and the upper radiator support. You can then use a ratchet strap to pull the engine forward to get more room to work on the rear plugs.
SOURCE: Changing Spark Plugs on 2001 Chevy Blazer
You have to jack up the vehicle and go through the wheel well. There is a flap that will lift out of the way and you can get to the plugs. The center one is a pain though because the steering shaft is in the way.
SOURCE: changing spark plugs 95 chevy lumina van
you will have to take off the coil packs and move them out of the way. then go in from the top. its kinda tight but just move whatever else is in the way
SOURCE: HOW TO CHANGE SKARK PLUGS ON A 2001 LUMINA....THANKS
First of all you have to locate the spark plug leads that connect the distributor cap to the plugs,next you pull the first lead out (do not remove all of the leads at the same time otherwise you may not remember the order of the leads and that is important), after you have revealed the first plug you have to find a suitable size spark plug socket(can be purchased from most tool or automotive shops)using this socket on the end of a ratchet with an extention bar unscrew the plugs, if the socket does not take the spark plug out then use a piece of hosepipe to remove the plug. When putting the new plugs in be careful not to do them too tight, if possible use a torque wrench with the right setting but if not then just do them quite tight but not too tight. Once the plug is back in push the lead back on and move on to the next one.
SOURCE: How to change spark plugs of Chevy cavalier 2002
for the most part they are in between the fuel injector the best thing for you to do is stop by your local GM dealership in the part department and they be able to print you off the pictures and diagrams you need if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car Merry Christmas and Happy New Year as always wish you the best of luck Michigan Man.
Testimonial: "great thanks for the info. bobbotg2005"
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