R/T leaf springs - Dakota Durango Forum
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post #1 of 40 Old 02-17-2011, 02:37 AM Thread Starter
jrp1588
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R/T leaf springs

I've got some R/T leaf springs I plan to install that weekend. It looks fairly simple, but I'm always open to tips if you have them.

One specific question I have is what size the torx head is on the bolts on the leaf spring eyes? I don't have a torn driver big enough, so I'll need to buy one before I install.


Mods:
4.10 gears, Yukon Duragrip, BlkDak 51.75mm TB, M1 intake, AFE Stage 2 CAI, FMS 21# fuel injectors, Gibson Shorty Headers, SCT tune, clutch fan delete, HS 1.7 NA Roller Rockers, Single 3" Magnaflow exhaust.
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post #2 of 40 Old 02-17-2011, 02:38 AM
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Quote:
Originally Posted by jrp1588 View Post
I've got some R/T leaf springs I plan to install that weekend. It looks fairly simple, but I'm always open to tips if you have them.

One specific question I have is what size the torx head is on the bolts on the leaf spring eyes? I don't have a torn driver big enough, so I'll need to buy one before I install.
You'll also need a torch and air hammer if they've never been out.

2002 3.9L 5-speed, original owner
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post #3 of 40 Old 02-17-2011, 03:20 AM Thread Starter
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I was a bit worried about that. Any idea on the torx head size?


Mods:
4.10 gears, Yukon Duragrip, BlkDak 51.75mm TB, M1 intake, AFE Stage 2 CAI, FMS 21# fuel injectors, Gibson Shorty Headers, SCT tune, clutch fan delete, HS 1.7 NA Roller Rockers, Single 3" Magnaflow exhaust.
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post #4 of 40 Old 02-17-2011, 03:21 AM
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Hold on I guess I'll check since it's in the garage.

2002 3.9L 5-speed, original owner
SCT tuner, HS 1.7 RRs, custom Airaid CAI, Dwight modified TB, OBX headers, 180* T-stat, Flowmaster muffler, deleted 3rd cat, many other useless mods
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post #5 of 40 Old 02-17-2011, 03:24 AM
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Sorry, I don't have a driver big enough.

2002 3.9L 5-speed, original owner
SCT tuner, HS 1.7 RRs, custom Airaid CAI, Dwight modified TB, OBX headers, 180* T-stat, Flowmaster muffler, deleted 3rd cat, many other useless mods
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post #6 of 40 Old 02-17-2011, 03:25 AM
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If you'll have to buy one I can borrow from my neighbor tomorrow to check the size. Don't count on it coming out without heat and an air hammer though.

2002 3.9L 5-speed, original owner
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post #7 of 40 Old 02-17-2011, 03:31 AM Thread Starter
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I'll do what it takes. The R/T springs have good bushings in them, so I'm not worried in the slightest bit about saving the bushings from the old springs. They are probably just going into the trash.

I tried checking my Haynes manual, but it didn't list anything about the torx driver size.


Mods:
4.10 gears, Yukon Duragrip, BlkDak 51.75mm TB, M1 intake, AFE Stage 2 CAI, FMS 21# fuel injectors, Gibson Shorty Headers, SCT tune, clutch fan delete, HS 1.7 NA Roller Rockers, Single 3" Magnaflow exhaust.
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post #8 of 40 Old 02-17-2011, 03:44 AM
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I have the torx bit but to lazy to check. You don't need it anyway if it is not in lock state, unfortunatly most northern trucks are in a seized state. You can use a dog bone along with a socket on the nut side, thus not needing the torx bit.
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post #9 of 40 Old 02-17-2011, 03:46 AM
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They'll pop right out with heat since you aren't worried about the bushings. It you need the TORX size still tomorrow let me know and I'll get a bit from my neighbor and check.

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post #10 of 40 Old 02-17-2011, 03:48 AM
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Quote:
Originally Posted by Rebel13 View Post
I have the torx bit but to lazy to check. You don't need it anyway if it is not in lock state, unfortunatly most northern trucks are in a seized state. You can use a dog bone along with a socket on the nut side, thus not needing the torx bit.
They should break loose with heat, if not grind them off.

2002 3.9L 5-speed, original owner
SCT tuner, HS 1.7 RRs, custom Airaid CAI, Dwight modified TB, OBX headers, 180* T-stat, Flowmaster muffler, deleted 3rd cat, many other useless mods
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post #11 of 40 Old 02-17-2011, 03:49 AM Thread Starter
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So I'm assuming if they are stuck, I'll need new bolts, is that something that is easy to find at autozone? What do I need to know to get new ones? Size, length, etc?


Mods:
4.10 gears, Yukon Duragrip, BlkDak 51.75mm TB, M1 intake, AFE Stage 2 CAI, FMS 21# fuel injectors, Gibson Shorty Headers, SCT tune, clutch fan delete, HS 1.7 NA Roller Rockers, Single 3" Magnaflow exhaust.
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post #12 of 40 Old 02-17-2011, 03:51 AM
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Originally Posted by jrp1588 View Post
So I'm assuming if they are stuck, I'll need new bolts, is that something that is easy to find at autozone? What do I need to know to get new ones? Size, length, etc?
Not sure, honestly I've taken mine off like three times with the same bolts. Heat up the nut and she'll break free. I guess if they break take some measurements. Length, diameter, and threads per inch.

2002 3.9L 5-speed, original owner
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post #13 of 40 Old 02-17-2011, 03:53 AM Thread Starter
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Cool, well I'll just see how it goes then.


Mods:
4.10 gears, Yukon Duragrip, BlkDak 51.75mm TB, M1 intake, AFE Stage 2 CAI, FMS 21# fuel injectors, Gibson Shorty Headers, SCT tune, clutch fan delete, HS 1.7 NA Roller Rockers, Single 3" Magnaflow exhaust.
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post #14 of 40 Old 02-17-2011, 05:01 AM
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Something I noticed on a buddies Jeep Wrangler when we were replacing his clutch. The leaf springs have greaseable bolts on the spring eyes. As in there are grease zerts built into the bolts so you can grease your spring eyes to keep the bolts from seizing to the bushings. Not sure if they will work for our leaf springs, but would be awesome to use.

As far as tips. Before you torque down the spring eye bolts lower the truck down to put weight on the leaf springs.

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post #15 of 40 Old 02-17-2011, 05:02 AM Thread Starter
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Thanks, that's what the Haynes said as well. Why is that exactly? I guess it would twist or something when weight would be applied?


Mods:
4.10 gears, Yukon Duragrip, BlkDak 51.75mm TB, M1 intake, AFE Stage 2 CAI, FMS 21# fuel injectors, Gibson Shorty Headers, SCT tune, clutch fan delete, HS 1.7 NA Roller Rockers, Single 3" Magnaflow exhaust.
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