4th Gen High Performance and Accessories 2010 and Up Talk about Dodge/Cummins aftermarket products for fourth generation trucks here. Can include high-performance mods, or general accessories.

Removing coil springs

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Old 04-09-2012, 01:34 PM
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I guess I'm the only one who had tight springs . The installation instructions said that the newer the truck the harder it would be. I guess they start to sag under the weight of the Mighty Cummins.
Old 04-09-2012, 04:57 PM
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Another question I have is how much thread should be
showing when you tighten down the top front shock?
Old 04-10-2012, 08:46 AM
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1/4" I think.
Old 04-12-2012, 07:31 AM
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We used ratchet tie downs, took us an hour to do the lift
Old 04-12-2012, 07:43 AM
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Bringing it back to the alignment shop today to reset the
caster there at 6 right now they have to be 4 to stop the
humming from the driveshaft.
Old 04-22-2012, 08:43 AM
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I have a third gen but they are pretty much the same frame/axles.

I think the caster range is 4-5 on mine. Tell them to go to nearly max or max to push the axle forward is what I was told.

I believe better yet, get .5 inch longer control arms.


Few things you can research.
Old 04-22-2012, 08:47 AM
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They maxed the caster as far as it would
go and I was haveing vibration from the
front driveshaft. I had to turn them back to
about 1:00 o'clock and it stopped.
Old 10-26-2012, 11:06 AM
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Old 01-26-2013, 08:52 AM
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spring removal

I have done this a couple times rapa couple ratchet straps around the springs while the truck weight is still on them
Originally Posted by SOhappy
Maybe you saw my post: https://www.dieseltruckresource.com/...00&postcount=1

My advice is to pay the $100-$150 to have a good shop do it (might even include the alignment?). It kills me to say that because I really enjoy an occasional wrench session with my truck- plus I like to save $$.

The problem is, on mine the only way I could've done it without a spring compressor is if I would've jacked it up even higher than I did (probably run out of jack stand though) and disconnected the brake lines and possibly the trailing links. I had the brake lines stretched to the max and there was no way that spring was coming out of there without a compressor- let alone go back in with the 2.5" spacer. You're right- don't use a compressor! I hope somebody else has a safe/clever way of doing it but as for my advice: take it to the shop.
Old 01-28-2013, 01:14 PM
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Originally Posted by jonnyb
I have done this a couple times rapa couple ratchet straps around the springs while the truck weight is still on them
Duly noted for the next truck, thanks!
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