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Old 09-25-2013, 03:07 PM   #1
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Northbridge Bolt Upgrade Kit

So I am putting on a Teraflex 2.5 coil/shock lift and I purchased the Northbridge bolt upgrade kit with the grade 8 bolts. Can someone help me with what bolts go where when I am doing the install?

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Old 09-25-2013, 04:15 PM   #2
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It should come with instructions saying which bolts go where.

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Old 09-25-2013, 05:12 PM   #3
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No instructions with the upgrade kit.
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Old 09-25-2013, 05:23 PM   #4
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Very easy. If you are doing the lift loosen all the CA and TB bolts. This will help droop the axles to get the coils/spacers in.
Leave the TF rear bumpstop pads out until the very end.
Replace the track bar bolts one at a time but leave loose. Replace the CA bolts one arm at a time and leave loose. After all bolts are replaced shake jeep around and jump on the bumpers. Torque to spec with tires on the ground. Install the TF rear bumpstops and you're finished.
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Old 09-25-2013, 05:25 PM   #5
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where did you find this kit i have been looking all over their site.
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Old 09-25-2013, 05:57 PM   #6
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Google it or Synergy bolt kit. It will show.
Most sites sell it now. Qaudratec for example does.

Make sure you don't fall for the "grade 9" kit. Factory metric is 10.9 which has the same tinsel strength as grade 8
The main purpose of the bolt upgrade is the slightly larger size and the shoulder. Grade 8 is fine for our jeep.
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Old 09-25-2013, 07:19 PM   #7
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So the new bolts I have will replace the ones in the control arms and track bars? Coue different sizes.
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Old 09-25-2013, 07:44 PM   #8
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Quote:
Originally Posted by Rightside View Post
So the new bolts I have will replace the ones in the control arms and track bars? Coue different sizes.
Don't understand ?
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Old 09-25-2013, 08:45 PM   #9
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I don't fully understand which bolts I am replacing with the upgraded bolt kit. There are a couple different sized bolts in it, etc.
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Old 09-25-2013, 09:36 PM   #10
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There's 2 kits. The one you want is grade 8 that replaces your lower control arm bolt x8 and front and rear track bar bolts x4

The 2nd kit adds 8 bolts to do the upper CA's
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Old 09-25-2013, 09:44 PM   #11
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On the 2012+, one of the bolts is different (the rest should be the same) and that bolt goes on the frame side (driver's side) of the FRONT track bar.
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Old 09-25-2013, 11:36 PM   #12
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The answer I was looking for. Factory bolts don't have washers. I guess all the washers are now suppose to be used that were included in new kit. I have two other bolts left over, different color, 3 1/2 inches long. Those are for?
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Old 09-25-2013, 11:47 PM   #13
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Those are probably for the 07-10 jeeps.

Northridge 4X4 Jeep JK Grade 8 Hardware kit
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Old 09-26-2013, 04:20 AM   #14
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Quote:
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The answer I was looking for. Factory bolts don't have washers. I guess all the washers are now suppose to be used that were included in new kit. I have two other bolts left over, different color, 3 1/2 inches long. Those are for?
Like NFR said .. The kits include the extra 12-14 front upper 14mm TB bolt. The 9/16 won't fit so you should have only 1 extra. Either 9/16 or 14mm depending on the year.

The factory bolts are flanged (wider at the bolt end) so a washer is not used. Not saying to do this but you can prob get away with not using the nut side washer. Washers will protect the mounts from the torque needed with these bolts.
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Old 09-26-2013, 06:40 AM   #15
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I had two extra TB bolts in my NR kit.
It came with two 14mm so I had one 14mm and one 9/16 left over on my '13.
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Old 09-26-2013, 07:15 AM   #16
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I had 2 issues trying to put this on. First, I tried swapping the LCA bolt on the drivers side. I got the old bolt out, but the new one didn't want to go in. The new one is slightly thicker (it seems) and would not go into the hole. I'm pretty sure the bolts were the same size so it was the proper kit replacement bolt.

Srcond, how are ppl torquing the upper CAs with the tires on? It's impossible to reach. Same with the drivers side front track bar bolt. The 2013s actually surround that bolt in a type of metal housing that makes reaching it almost impossible. That same metal enclosure is on the rear passenger TB as well. Thx.
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Old 09-26-2013, 02:10 PM   #17
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I have the rear on; front is next. I have the same questions as Ali above. Believe I have the nuts and bolts figured out now. Thanks for all the help. I'm sure there will be more questions I can't find using Google.
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Old 09-26-2013, 04:32 PM   #18
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Yes all suspension bolts must be torqued with either the tires on or jack stands under the axles.

I bought a smaller 3/8 t-wrench for the uppers. If you can't reach the front upper CA's are only 75 and don't take on as much stress as the lowers. Tighten as much as you can and mark with a paint marker. Actually....... Mark all the bolts with a paint marker.
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Old 09-26-2013, 08:07 PM   #19
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My torque wrench only goes up to 75lb. so I may see if a shop in the area can torque them for me. I bet a lot of guys, and shops, just tighten and don't torque, but I want to have it done correctly.

I am starting on the front tonight. Switched out the control arm bolts and removed the trackbar this afternoon, still have the rest. Will I run into any known problems?

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