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Best way to remove coil packs?

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Old May 15, 2019 | 06:06 PM
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kevaug
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Talking Best way to remove coil packs?

Hi All - I am attempting to replace my spark plugs on my 2004 Ram 1500 4.7L SLT 4x4 5 Speed MT

What is the best way to remove the coil packs, they really seem to be in there really good. I am trying to wiggle them side to side (with limited movement due to the stud) while at the same time trying to lift up. But so far I have only been able to remove one.

Any tricks that I could try?

Thanks
Kev
 
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Old May 15, 2019 | 09:14 PM
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fj5gtx
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I think what you're saying is, how to get the rubber boot to let go of the spark plug. Yeah, the guy before you didn't put any dielectric lube on it and that is probably why its fused. If you work it too much, you may break down the boot and cause it to tear. If you just yank on it, it might tear. I will usually try to pry up from different angles and see if I can break the boot's seal on the plug... Good luck.
 
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Old May 17, 2019 | 08:43 AM
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kevaug
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Stumbled onto a GREAT solution

It was almost 11pm and I was out in the dark with a work light dropping F bombs galore!

All day I had been trying to wiggle & pull (hands, back, knees, & neck are so sore!!!). I tried pry bars and screwdrivers - only able to get one coil pack off. One of the 10mm coil pack nuts was frozen so I had sprayed it and this one was going to be the last attempt for the evening. Yup - the penetrating oil didnt work - the whole stud backed out. Initially I started dropping more F bombs! But then I noticed with the stud backing out it actually popped the coil pack right off. So I said well I'll just unscrew the stud all the way and put it back - no such luck. They are captive I guess and only go so far. Luckily I was able to get vice grips on the smooth stud shaft and get the nut free. Pulled out the coil pack and socked the stud back down.

So then I started thinking that if I could apply something around the coil pack and apply pressure to the tip of the stud maybe these stubborn coil packs would pop right off.

EUREKA!!!

I had bought two of these tools from O'Reillys to pop broken Lug Studs off a Camry.
I ended up buying two because I used a grinder to grind away part of the bottom for it to fit better on the front wheel and then it needed a different angle for the back wheel and I didnt want to mess up the previous grind in case I needed it again.

Here is a link to the tool -

https://www.oreillyauto.com/detail/b...q=w83025&pos=0

So I put the tool onto a coil pack, you have to align it and sometimes hold with your hand to make sure you dont slip off the stud. And sure enough that baby came out as smooth as butter. I decided I'd try 1 more before calling it a night and to make sure this idea isn't a fluke. Sure enough, positioned the tool, 18mm ratcheting wrench and here comes the coil pack!!!

The next morning I popped the 4 remaining coil packs out in less than 4 minutes.
This worked amazingly. So much so I jumped onto O'Reillys website and wrote my first tool review ever. You cant imaging how much time I wasted yanking and pulling and prying. This tool was a lifesaver!

I dont think the grinding had anything to do with my success. I think the original width of the opening of the bottom just happens to be the perfect width that fits my 2004 coil packs perfectly.

Hope this can help someone else struggling with stuck coil packs.
 
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