Question about 2002 Chevrolet Impala
The front three spark plugs are easy to replace, it's the rear ones that is tricky and there are a few ways to get to them.
1 way is you need to remove the "dog bones" or top mounts on the engine. then pry the engine forward about 4" There is a special tool for tilting the engine made by Lisle corp. called a GM engine tilt tool about $40. This will give you room to get the the rear spark plugs with extensions and a spark plug socket with a swivel attached to it.
2 you can have a friend help you buy, placing the emergency brakes on and removing the "dog bone" again, and the transmission in park. Both of you would then push the car forward after taking the emergency brakes off. This will tilt the engine forward but take caution not to tilt the engine to far forward in to the radiator and place the emergency brakes on.
3rd If you remover the horizontal crossbar inside the engine right in front of the windshield you can reach behind the engine and change the plugs without dismounting the engine. I recommend putting a piece of carpet or a pad over the top of the engine to protect it while you change the plugs.
Good luck and hope this helps and be careful not to drop the new plugs.
Posted on Jul 18, 2009
Just remove the coil packs and mod with 2 10mm bolts in front and two 1/2in. nuts behind it. that gives you alot more room.
Posted on Dec 19, 2010
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Posted on Jan 02, 2017
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