Question about 2004 Oldsmobile Alero
In the 2.2 they are under the top coil assembly,
which is a long plastic peice with the igniton module on the right end with wiring connector hooked in it.
take the 4 10mm bolts loose from the top and the 10mm bolt holding the cable on the right side of the engine head and carefully unplug the wiring connector on the module. this will let you lift the coils assembly
out after removing the 4 bolts. the coil assembly is pressed into the rubbers which will need to be pulled out after coil assembly removal. the spark plugs will be in the holes. Use a 6 inch 3/8 drive extesion with 5/8 inch spark plug socket. after loosening the spark
plugs if they don't come out with the socket use a stick mechanics magnet to remove, it will pull on the metal on the end of the spark plug while you gently
pull them up. this will save you time if they drop into
the hole. make sure they are completely loose.
when you put he new sparks plugs in after gaping them to specs put the long rubber in each hole,
push with your thumb smartly to seat on the plug,
you will feel a slight click, then put the coil assembly
on and push smartly not to crack it then keep it level as you put the 10mm bolts in. put all the bolts in a few turns before tightening them one at a time.
Posted on Feb 10, 2010
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Posted on Jan 02, 2017
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