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Old 11-13-2010, 03:51 PM   #1 (permalink)
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Coil Springs Removal - with a torch

Does anyone have experience with using a torch to remove coil springs (not struts)?

I have tried two methods to remove the coil springs:

1. Use coil spring compressor
2. Use hydrauilc jack under lower control arm and loosen ball joint

The compressor is a powerbuilt brand from advance auto parts and it is a piece of junk. It's a pain in the butt to setup and the directions are just terrible.

Using the jack is also a pain for me because I can't seem to loosen the ball joint and I am just done with trying it.

I have searched the FM forums but everything about using a torch to soften up and remove the springs seems to be about lowering the ride height.

I have seen it done on TV where a torch was used and it worked nice and fast. I am not going to use these springs ever again so I don't care about ruining them. I just need them out.


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Old 11-13-2010, 04:11 PM   #2 (permalink)
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Re: Coil Springs Removal - with a torch

If you need them out heat them with a torch, then the coils collapse. You have to raise that wheel a LOT, then hit the spring in several places.

Lower the jack and see if it's loose. Should be real dang close.
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Old 11-13-2010, 04:54 PM   #3 (permalink)
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Re: Coil Springs Removal - with a torch

So place the hydraulic jack under the lower control arm and compress the spring, then use the torch to weaken the coils?

Right now the entire car (68 torino) is up on jack stands, the drum brakes and tie rods are detached from the spindles.
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Old 11-13-2010, 05:11 PM   #4 (permalink)
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Re: Coil Springs Removal - with a torch

The downside to using heat in that manner is that if you have spring isolators-kiss them goodbye. Also there will be lots of torch gas used because it takes a while to get the coils warm enough to collapse that much-and you'll likely have to heat more than one coil which is somewhat tough getting to the "back" sides. What I did was to use a small, endless ratchet strap. Yamaha Rhinos used to be shipped with them-they're about 1 1/2" wide and no hooks. Wrap one strap around an upper coil (with the spring compressed) and lower coil, ratched it down kind of tight and repeat on the opposite side of the spring (say...one in the front and one in the back). Then remove tension from the spring, shock removed and the coil will come out easily. If you don't need the straps again, just leave them on the springs when you scrap them. If you want them off to reuse for the other side, I used a hydraulic press to preload teh spring a little and then removed the straps-then removed tension from the spring with the press. It took a little while doing it that way (probably 30 min total for both sides-on a fox body) but it was safe, messless way to do it without using fire.
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Old 11-13-2010, 06:02 PM   #5 (permalink)
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Re: Coil Springs Removal - with a torch

check this great low budget
Non-Damaging Ball Joint Removal Tool
posted by dazecars..
since you will have to deal with it anyway...

http://www.fordmuscleforums.com/susp...ml#post1456798

Lars...
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Old 11-13-2010, 06:03 PM   #6 (permalink)
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Re: Coil Springs Removal - with a torch

If you got a torch only heat 1 or 1.5 inches of the coil Not necessary to heat an entire circle of the coil. Just each coil's circle in one place. If you're rebuilding the front end, isolators won't mean nuthin if they get melty...
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Old 11-13-2010, 09:14 PM   #7 (permalink)
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Re: Coil Springs Removal - with a torch

blue flame or hot wrench can get it out . now whats your plan for installing the new springs ? . hint -- you still got the same problem
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Old 11-13-2010, 10:26 PM   #8 (permalink)
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Re: Coil Springs Removal - with a torch

I am putting in coil overs and all new front suspension so all new parts are going in.
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Old 11-14-2010, 04:05 AM   #9 (permalink)
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Re: Coil Springs Removal - with a torch

Wait a minute.

To use a torch, cut the springs, don't heat them and collapse them, slice them like butter in 1 spot and they'll come right out. You'll be heating forever and have to have weight on the car to do it your way.

Matter of fact, if you just cut them quickly, heat will stay localized to the cut area.

Be advised this is an oxy-acetylene cutting torch, not a hand help hardware propane torch.

Could also do the same with a Sawzall, but be careful not to stick the blade.
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Old 11-14-2010, 08:45 AM   #10 (permalink)
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Re: Coil Springs Removal - with a torch

That's right! I friggin forgot that one little cut Literally make them two springs and you can screw them down into each other.
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Old 11-14-2010, 01:28 PM   #11 (permalink)
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Re: Coil Springs Removal - with a torch

Safety tip, put a good chain inside and around the coil spring and bolt the ends together. That way if it breaks loose and tries to come after you, it'll stop it.
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Old 11-14-2010, 02:38 PM   #12 (permalink)
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Re: Coil Springs Removal - with a torch

I've used the upper A-arm block described in the manuals to compress and support the arm up, then pop the spindle off and the upper will swing way lower to remove the spring. Best solution is a proper spring compressor and 5 minutes.

David

The better way:

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Old 11-15-2010, 03:03 PM   #13 (permalink)
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Re: Coil Springs Removal - with a torch

PSIG, Would you be willing to share the dimentions of your spring compressor? I would love to make one. Thanks toad
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Old 11-15-2010, 10:33 PM   #14 (permalink)
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Re: Coil Springs Removal - with a torch

Sure, Toad. There are various sites around the 'net with the spec's and dimensions, such as DazeCars. Also, some build them for sale, and I think F15Falcon on this forum does. Mine were nearly free, as I had a set of cheap internal hook type compressors and I used the hardened rods, nuts, and washers from those and just cut square tubing and strap for the rest. About he only difference in mine is that I used a roller thrust bearing shown in the pic below. You don't even need a bearing, but it's easier to compress that way.

David

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Old 11-17-2010, 07:21 AM   #15 (permalink)
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Re: Coil Springs Removal - with a torch

PSIG, Thank you very much! exactly what I was looking for. I had seen this compressor in the past but couldnt remember where. This will be very useful during this winters shock tower mod. project.(64 fairlane) Thanks again, toad
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