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How To: install a rear sway bar in your HF/DX OEM style

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How To: install a rear sway bar in your HF/DX OEM style

Postby downest » Thu Jan 04, 2007 10:57 pm

Got another write up done today...

I have to give the credit to Jmart for the project, I just made a pretty write up for it. Here's the .pdf file for it, here are the other write ups. I'll post the text here, but there are pictures and stuff in the .pdf.



Rear Sway Bar Installation into a non-Si CRX


First off I want to credit JMart for this project. I personally have only had Si models, but he converted a Rio Pink 89 DX to a 90-91 Si, swapping everything but the roof over from his wrecked Si.

So why do you do this? The best upgrade for any front-wheel-drive understeering Honda is a rear sway bar, whether you're adding it or upgrading the stock one. Unfortunately, Honda decided not to include a factory rear sway bar on the non-Si (HF and DX) model CRXs. For some aftermarket bars, you can use the rear tow-hook mounts with an adapter bracket. If you don't want to drop a lot of money on one, or you think an OEM Si sway bar is enough, this is how you can mount it like stock.



Materials and Tools

CRX/Civic Si rear lower control arms

CRX/Civic Si sway bar with brackets

sway bar to lower control arm bolts

sway bar bracket to frame bolts with nuts (use shock top hat nuts)

Grommets to fit the large holes

Electric drill with 3/8" bit and a stepped bit large enough to fit a 14mm socket through

14mm socket x2 and ratchet x2 with extension

jack and stands



Removing the old LCAs

This first part is pretty easy, you need to take out the stock lower control arms. Unbolt them from the hub, the shock, and finally from the car, and pull them out.



Installing the Sway Bar

All CRXs have the holes for the bracket bolts in the frame, but they don't all have the welded-on nuts for the bolts to thread into. A good choice for these is some shock tower (top hat) nuts. These nuts also make good replacements for the nuts that are welded to the frame to hold the lower control arms.

First thing, before you start drilling, empty the trunk of carpet and anything else that could be damaged. Using your 3/8" bit, drill through the floor pan from the bottom. Now you have four holes in the trunk that look directly down to the ground through the frame of your car. Get back inside the trunk, and open each hole up with your larger stepped bit.
You can now drop the nuts down through the top holes, while feeding the bolts up from the bottom. Bolt the brackets up to the car, letting the sway bar end links hang free for now. After installation, use the grommets you got to plug the holes.

Image
Holes in the trunk for the bracket bolts.

Image
Sway bar bracket installed (bottom view), just like OEM

Re-Installing the LCAs

Before you get them in, this is a good time to install new OEM or polyurethane bushings into your LCAs. If you already have some, this might be a good time to grease them up so they won't squeak as much. If you're installing used OEM arms, you may want to clean them up first, at the very least chase all the threads with a tap.

Put the inside end in first, and bolt the arm to the frame of the car. Then swing it up and bolt it up to the hub. Now bolt the sway bar end link to the LCA. Note that the first side will be much easier. To avoid stripping the hole or breaking anything, try to use a jack on the bar or the wheel to line up the bolt as much as possible, and remember to use anti-seize on all suspension parts.

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Bolting the LCA to the shock and sway bar...

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...and to the hub
Last edited by downest on Sun Feb 04, 2007 7:21 am, edited 3 times in total.
Tom Wood (Downes)
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Postby jfrolang » Fri Jan 05, 2007 12:37 am

A couple years back I actually bought all the parts to do this, but then sold it all. It seemed like too much work to get the brackets on when ST offers bolt-in kits.
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Postby jmart » Fri Jan 05, 2007 12:39 am

well, all you need is two drill bits to do this. If you're on the cheap, like many crx owners are, its much more cost effective.
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Postby downest » Fri Jan 05, 2007 12:42 am

Exactly. Not only that but it lets you mount the stock bar, which you can get a lot cheaper than an aftermarket one (if not free).
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Postby ludesrv » Fri Jan 05, 2007 8:33 am

downest wrote:Exactly. Not only that but it lets you mount the stock bar, which you can get a lot cheaper than an aftermarket one (if not free).


Free? If you can get all that stuff for free...let me know! Finding parts up here sucks. Most wreckers don't let you pull the underbody/suspension parts cause they leave the car sitting without wheels, and they never keep them long.

I wish I had awesome scrap yards up here, but they are all stimes!
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Postby downest » Fri Jan 05, 2007 9:40 am

The yards don't give them for free... friends do!
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Postby downest » Mon Jan 08, 2007 5:39 pm

Hey guys, I'm going to sticky this write up, and some other ones, please review them or let me know what you think, and I'll start moving some things to the HOW-TO section so it won't get lost in the archived posts.

With my write ups, if you think I should add the pics in (as I have in the .pdf) let me know. I can't promise they will be hosted forever, that's why I make the .pdf as well, but I can put them up for a while and host. Maybe I can get someone else to host them too... my RPI webspace will be done for me in may when I graduate.
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Postby mattminerDOTcom » Mon Jan 08, 2007 5:42 pm

i gave a rear sway bar away for free when i upgraded my stock one.

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Postby downest » Mon Jan 08, 2007 5:46 pm

mattminerDOTcom wrote:i gave a rear sway bar away for free when i upgraded my stock one.

[email protected]


Yeah and John still hasn't installed it!
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Postby Slystone » Tue Jan 09, 2007 9:33 pm

on my CRX i just install 2 bolts whitout making any hole! :lol:
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Postby Slystone » Tue Jan 09, 2007 9:39 pm

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Postby downest » Tue Jan 09, 2007 10:01 pm

Thanks Sly!

I have the pics for it, I'm going to get them on the CRXCommunity server so they will be permanent, then add them... just need to dig them out and email them to John.
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Postby downest » Wed Jan 10, 2007 1:10 pm

Added pictures... one is missing but it'll be up. If you have trouble finding the bolt that holds the LCA to the rear hub let me know :wink:
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Postby LeMangelo » Wed Oct 03, 2007 10:16 pm

I mounted the brackets to the factory holes by taking bolts and using a dremel cut each with a slot opposite the head.Then I fished the bolts into place from a hole on the other side of the tiedown brackets.I removed the tiedown brackets first so the chance of a snag was reduced as I fished the bolts past.I twisted wire around the slotted end of the bolt so that end is pulled out.You fish the wire into the factory hole out through the large hole first then wire up the bolt then pull the wire back.I used the sway bar bracket to keep the bolts steady as I started each nut then tightened up keeping the bolt from turning with a screwdriver.I used stainless bolts so rust would not ruin the slots if I needed to tighten in the future.
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Postby sxysweed » Sat Jul 05, 2008 9:51 am

Is there any way I can mount the End Links to my factory (dx) LCA's?
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Postby suoabb » Wed Feb 11, 2009 9:41 pm

i was researching online and came up with this how to: First Gen. Integra Sway Bar Upgrade on Second Gen. CRX. http://www.clubcivic.com/board/showthread.php?t=59186 . and was wondering if anyone has tried this.
i am really thinking of doing this to improve my suspension and turning at corners.
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Postby BigDare23 » Thu Feb 12, 2009 10:36 am

^^^You dont want a larger sway bar in the front.
CRX owners on the east coast checkout -->EastCoastEFCivics
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Re: How To: install a rear sway bar in your HF/DX OEM style

Postby Redemption » Thu Jun 11, 2009 8:06 am

Will a 90-93 integra rear sway bar swap in the same as a stock Si CRX bar using Si LCAs?
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Re: How To: install a rear sway bar in your HF/DX OEM style

Postby rex4life » Wed Jul 01, 2009 11:11 pm

I know there was another write up of doing this by taking off the bumper as well. I just completed this task...instead of using a long breaker bar I used a rod magnet to hold the nut in place while I tighted it from below. I did take the time to tap and die the bolts and nuts as well (used is why) and lubricate them...then dremeled the bottoms of the nuts as to have traction (grip like locknuts). I did the other way with my 88 dx and this way was a little harder but saved 4 holes in my cargo bay. removing could be another story but eh...easier to pull out with a magnet than to guide in.
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Re: How To: install a rear sway bar in your HF/DX OEM style

Postby kaito96 » Mon Jun 07, 2010 2:08 am

whats the benefit of doing so?
find it,build it,start it,break it....aaaand repeat. :D
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Re: How To: install a rear sway bar in your HF/DX OEM style

Postby IBWiglin » Mon Jun 07, 2010 7:09 am

Are DA Integra rear LCAs the same as Civic/CRX ones?
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Re: How To: install a rear sway bar in your HF/DX OEM style

Postby B53p » Mon Jun 25, 2012 9:02 pm

Just wanting to bump this thread, it has good information and I will be doing this to my CRX :-)b

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