Question about 2003 Chevrolet S-10

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How do you change spark plugs on a 2003 chevy s10 zr2 4.3L v6 4x4 pick up truck?

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Most of them are pretty simple. I would recommend doing them one at a time so that you don't mix up any of the plug wires. Pull off the spark plug wire (twist the boot while you pull to release the boot from the plug), then remove and replace the spark plug with a 5/8" spark plug wrench and reconnect the plug wire (put dielectric grease inside the book if it looks dry in there). Do all three (two, four, six) on the passenger side. Now, move to the drivers side. The number one (front) and five (back) will be the same as the others. The number three (middle) is a little more challenging. You will either need to disconnect the steering shaft or use a wide angle swivel on your socket to be able to gain access to this plug. If you choose to disconnect the steering, there is a 10mm bolt, under the plastic housing, that connects the steering shaft to the steering gear. I would recommend a swivel though because it is a tedious job to get the steering put back together straight. Anyway, it's not too hard, just make sure that you only do one at a time. Good Luck!

Posted on Nov 17, 2009

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On the left side drivers side to get to center plug you take off plastic piece around the steering connection you will need a small crow bar to pry this con apart first take bolt and nuts off small size bolts .need to take off air cleaner container at the throttle body hose clamps take this assembly all the way out ,to get to steering box and connection point.when this conn is off push or pry up towards windsheild,,this is like a schock absorber,it has splines to re connect be carefull when you put back you have to alignthis shaft so the spline goes back togather icant spell ,you know what i mean it has got the steering shaft go back the same fit BE CAREFULL

Posted on Dec 31, 2010

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I went through the wheel well when I replaced mine. Its a pain to do but its alot easier than trying to do it from the top. Good luck.

Posted on May 07, 2010

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