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Old 04-13-2003, 12:41 AM   #1
North Ursalia
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Default Whiteline Subframe Bushing Kit And Steering Rack Bushing Install

Eh, it's more of a driveline type of thing, but it's neither specific to NA or FI. Firstly, I've put up a page on the diff bushing kit install, and revamped the steering rack bushing install page due to people going crazy trying to get the damn things installed . Those are located here:

Diff Bushing Kit Install:
http://www.northursalia.com/m...ckbushing.html

Steering Rack Bushing Install:
http://www.northursalia.com/m.../steering.html


Now the question . The rear diff bushings are loud. Very loud. Exceedingly loud- like a deaf geriatric. Much louder than I expected. I took a few liberties with the install, but I've never noticed this much noise from a single mod before- not the engine nor tranny mounts, nor the subframe locking bolts. I don't mind the racket, because I love the result- no matter how hard I try, I can't get the rear end to "thunk" anymore. Just curious if other folks noticed a great deal of noise with these installed, or is it just a culmination of my attempts to make the car unstreetable with hardened bushings . Any input is welcome/appreciated!


Brian

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Old 04-13-2003, 01:26 AM   #2
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Ya, sucks that those diff bushings cause so much freakin noise... I was thinking about trying those out myself til I heard how loud they made the car Oh well...

However, I cant recommend the steering rack bushings enough. Best mod for the money IMHO, 0 side effects so far
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Old 04-13-2003, 04:08 PM   #3
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Uh oh,
I chucked that little washer with the nubs
Do you think it is desperetly needed?
I wish I would have known about how to drop the steering rack sooner, would have made my life easier
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Old 04-13-2003, 07:33 PM   #4
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Excellent job as usual Brian,,thanks..Big time arrows and everthing!!!

Rudy
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Old 04-13-2003, 07:52 PM   #5
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sucks huh about the noise? I ended up giving mine away to a friend.
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Old 04-13-2003, 11:05 PM   #6
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Quote:
Originally posted by Ryan24
Uh oh,
I chucked that little washer with the nubs
Do you think it is desperetly needed?
I wish I would have known about how to drop the steering rack sooner, would have made my life easier
Ryan, I'm sure the nub plate thing was nothing to worry about- I was going to do the same thing with it until I had that brainstorm . As for the steering rack trick, I never needed to do it on my car, so I didn't know .

Rudy- thank you very much .

Teiva-boy, screw the noise! I'm trying to make my car undriveable !


Brian

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Old 04-14-2003, 02:49 AM   #7
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I have to disagree when you say the rear diff support bushings are noisy. Mine aren't noisy at all. They just make the rear vibrate more, giving my ass a nice massage But very quiet.
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Old 04-14-2003, 03:06 AM   #8
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Quote:
Originally posted by bemani
I have to disagree when you say the rear diff support bushings are noisy. Mine aren't noisy at all. They just make the rear vibrate more, giving my ass a nice massage But very quiet.
Correct, the bushings themselves dont make noise but they do transmit more NVH through the drivetrain into the frame of the car.
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Old 04-14-2003, 08:56 AM   #9
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Brian-

Are you using the subframe locks all the time? Whiteline seems to indicate that they should really only be used for events as they may cause accelerated wear. Wear on what? Anything you've noticed?

Been considering the rack mounts - but had held off because of the install horror storie I've read - may reconsider now.
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Old 04-14-2003, 09:26 AM   #10
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I haven't taken them out since I put them in- I've noticed no problems with leaving them in. I think it was a CYA maneuver by Whiteline more than anything . The steering rack mounts are much easier when you slide the rack down a bit like in my install page... easier than the first way I was doing it probably .


Brian

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Old 04-14-2003, 01:39 PM   #11
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Nice Job.

The purdy pics also makes things so much more clear. I had no idea where the diff bushing kit even went before your writeup.

Now if someone can take pics of the rear subframe bushing kit...
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Old 04-14-2003, 02:47 PM   #12
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Quote:
Originally posted by Aspen
Now if someone can take pics of the rear subframe bushing kit...
Yes, yes.
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Old 04-14-2003, 03:10 PM   #13
North Ursalia
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What bushings are you and Aspen speaking of RokketRide?


Brian

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Old 04-14-2003, 03:50 PM   #14
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i've experienced 0 increase in NVH with the rear diff bushings ... unless i'm just completely unaware of it. definitely a good mod! as is the tranny mount.
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Old 04-14-2003, 04:21 PM   #15
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From ISRs page:



I think we are asking about number 11.
(your install is of number 8) duh
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Old 04-14-2003, 04:43 PM   #16
North Ursalia
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Never seen one outside of a Group N bushing kit . That being said, I've never installed one either. If anyone within an hour or two of Southern NH (say Salem, NH) has one and wants a hand installing it, I'd be glad to do a mod page on it .


Brian

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Old 04-14-2003, 04:55 PM   #17
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they are selling them separate here:

http://www.japanparts.com/SubaruPart...CGF/Mounts.htm

at least I think thats what they are listing as: REAR DIFF MOUNT (Rear)
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Old 04-15-2003, 11:03 AM   #18
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Quote:
Now if someone can take pics of the rear subframe bushing kit...
Nevermind,
I was looking for bushings to replace the 4 bushings that hold the rear crossmember up at the corners but I don't think any aftermarket ones are available. Mine are pretty old and the rubber part seems to be cracking.
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Old 04-15-2003, 11:26 AM   #19
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They make solid aluminum ones for the WRX crossmember- I have a set. Sadly, they do not fit the Old School rear diff crossmember.


Brian

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Old 04-15-2003, 11:49 AM   #20
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Brian, are those aluminum bushings on the car? How much NVH from that????
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Old 04-15-2003, 12:32 PM   #21
North Ursalia
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I don't have them in the car . They just won't fit. I *think* they fit inside of a rubber bushing on the WRXen, but I'm not sure .


Brian

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Old 04-15-2003, 12:57 PM   #22
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Any pics of them by any chance?

Also, what part of them does not fit?

When you say old school, do you know if this applies to the '02 WRX wagon rear crossmember too?

Thanks.
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Old 04-15-2003, 01:12 PM   #23
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I can take photos when I get home. When I say old school I mean 93-01 Impreza's. The WRX wagon rear crossmember is the same as the WRX sedan, so they'd fit the WRX wagon too. The aluminum bushings are physically far too large to fit into the holes in the crossmember on the old school Impreza.


Brian

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Old 04-15-2003, 01:32 PM   #24
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Quote:
When I say old school I mean 93-01 Impreza's
Old school = good looking. Just kidding..

Brian, drop me a PM at your leisure, are these bushings something that Exeter is stocking now?

Thanks,
Fitz
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Old 04-15-2003, 09:37 PM   #25
North Ursalia
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Alrighty then, the aluminum bushings (there are four):



Anyone have a CNC lathe handy ?


Brian


Last edited by North Ursalia; 03-25-2012 at 10:34 AM.
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