On a 1997 mercedes sl320 once the top cover is removed and the spark plugs are in sight, is the plug replacing pretty simple?
it's can do, but you must have a good knowledge to do it, i will guide you how to do it, first get right spark plugs for your particular car, it's very impotent to get right spark plugs, otherwise it will get damaged engine, first remove top cover of engine, then very carefully remove spark plug lids from spark plug, keep in mind don't pull spark plug lids form wire it will brake easily, you must pull lids from plastic holder which is in side the head cover, after remove lids have good look inside holes before remove spark plugs, if you can see any dirty or dust inside hole between plug and housing you must remove that otherwise wen you remove spark plugs it will fall inside the combustion chamber, use high presser air to blow it, then you need right spark plug box for remove spark plug after remove the spark plugs get one spark plug to spear parts shop, and ask right one for that model, wise salesmen know how to find the right one, don't use any duplicate cheep spark plugs, even new spark plugs check the spark gaps all are the same, if you see any one deferant than outhers need to be correct the gap using piller Gage mus be use 33 lip on your piller Gage to set gap, then first your spark plug fix in to the plug box spanner and lowly insert in to the plug hole and tight it, don't let spark plug to fall in to the hole when you insert it, if it fall in, it can be change spark gap in your new plug, spark plug tighten tourque is 25nm, don't tight toomuch or don't let box spanner to angle when you tight, keep hold middle of hole when you tight it, it can crack ceramic part of spark plug, if one spark plug cracked it will make misfiring the engine, after replace all spark plugs clean lids hole using rags if its wet or oily, then install and press it in to the spark plug hole you can hear locking noise wen it get right. be careful don't mix up lids better keep mark all the lids if not numbers in lids, is this information helped you?
Oct 19, 2010 |
1997 Mercedes-Benz Mercedes Benz Sl Class