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Front lower contol arm bushings blown?

So in prepping the car for the up coming autox season I noticed the front lower control arm front bushings on both sides had black "gunk" around them. I didn't

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Old 03-26-2017, 06:22 PM   #1 (permalink)
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Default Front lower contol arm bushings blown?

So in prepping the car for the up coming autox season I noticed the front lower control arm front bushings on both sides had black "gunk" around them. I didn't see anywhere in the surrounding area that this could have come from. Does anyone know if these bushing are fluid filled like the factory diff bushing is?

Also has anyone found any good off the shelf aftermarket replacements? The only aftermarket option I've found for the front lower arm bushing is SPL which I can't use due to the rules for my class (sphericals aren't allowed).

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Old 03-27-2017, 12:29 AM   #2 (permalink)
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The bushings are liquid filled. 2 options. Replace with a new OEM arm, or install the SPL's and cheat. Don't tell anyone.
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Old 03-27-2017, 09:45 AM   #3 (permalink)
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Well $hit. I guess the pre-season prep just got a lot more expensive.

I guess at least I'll have the old arms to use for making custom poly bushings.
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Old 03-27-2017, 10:33 AM   #4 (permalink)
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https://www.energysuspensionparts.co...ssan_370z_2013
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Old 03-28-2017, 09:56 AM   #5 (permalink)
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The same thing happened to me. I chose to go with the SPL replacement route.
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Old 05-21-2019, 04:55 PM   #6 (permalink)
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Sorry for bumping an old thread, but after researching, and without any evidence... has anyone blown their impact bushings yet (rear facing bushing on the front lower control arm)?
Or those who have upgraded to SPL impact bushing replacements and have you destroyed them during the process?

My question is; are these indeed liquid filled as well? or just the smaller front-facing bushing of the front lower control arm?

I've been researching for some impact bushings alternatives without having to run spherical bearings (SPL) for personal preference.

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Old 05-21-2019, 05:22 PM   #7 (permalink)
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Quote:
Originally Posted by nghtlurkr View Post
Sorry for bumping an old thread, but after researching, and without any evidence... has anyone blown their impact bushings yet (rear facing bushing on the front lower control arm)?
Or those who have upgraded to SPL impact bushing replacements, have you destroyed them during the process?

My question is; are these indeed liquid filled as well? or just the smaller front-facing bushing of the front lower control arm?

I've been researching for some impact bushings alternatives without having to run spherical bearings (SPL) for personal preference.
Posters 1 and 5 have blown the front, rear lower impact bushing. The rear lower impact bushing is silicone filled. The front, lower front bushing is not. The bushings get destroyed during the process. My thread will help you out.

The Complete SPL Front Suspension
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Old 05-21-2019, 05:50 PM   #8 (permalink)
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SuperPro does those bushings as well


https://www.suspension.com/superpro/spf3885k


https://www.suspension.com/spf3886k
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Old 05-21-2019, 09:40 PM   #9 (permalink)
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Quote:
Originally Posted by Rusty View Post
Posters 1 and 5 have blown the front, rear lower impact bushing. The rear lower impact bushing is silicone filled. The front, lower front bushing is not. The bushings get destroyed during the process. My thread will help you out.

The Complete SPL Front Suspension
I read your suspension overhaul, but it completely skipped the bushing removal as you took it to the shop. I'm well aware that they get destroyed in the processing, that's why I'm asking for those who did destroy them, witness fluid leak out.

Posters #1 and #5(if the same as #1) has the front-facing bushing blown and leaking (as seen in the provided picture) I do not see any leaking evidence of the rear-facing bushing. The picture itself proves your claim the opposite. Unless you are mixed up?

Quote:
Originally Posted by sirnixalot View Post
These were one of options I was looking at, but the eccentric part of the bushing throws me off. Both OEM and SPL have it centered. I can probably use it's eccentric character to skew my arms in a way I would prefer, but still in thought.

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Old 05-21-2019, 10:37 PM   #10 (permalink)
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If I can remember when I'm working in the garage next I'll take a look at my old arms and see if I can find anything more conclusive than my picture in post #1.

This reminds me I still need to get a full set of those SuperPro bushings to rebuild my original set of arms.
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Old 05-21-2019, 10:47 PM   #11 (permalink)
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Quote:
Originally Posted by nghtlurkr View Post
I read your suspension overhaul, but it completely skipped the bushing removal as you took it to the shop. I'm well aware that they get destroyed in the processing, that's why I'm asking for those who did destroy them, witness fluid leak out.

Posters #1 and #5(if the same as #1) has the front-facing bushing blown and leaking (as seen in the provided picture) I do not see any leaking evidence of the rear-facing bushing. The picture itself proves your claim the opposite. Unless you are mixed up?



These were one of options I was looking at, but the eccentric part of the bushing throws me off. Both OEM and SPL have it centered. I can probably use it's eccentric character to skew my arms in a way I would prefer, but still in thought.
Standard Nissan fashion. The rear bushings have 2 silicone filled chambers. Like I said. The front bushings are not silicone filled.

Other silicone filled bushings on the Z are. The rear diff bushing. The 2 front sub-frame bushings.
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Old 05-21-2019, 11:03 PM   #12 (permalink)
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Quote:
Originally Posted by gomer_110 View Post
If I can remember when I'm working in the garage next I'll take a look at my old arms and see if I can find anything more conclusive than my picture in post #1.

This reminds me I still need to get a full set of those SuperPro bushings to rebuild my original set of arms.
Appreciate that. It seems obvious on the photo you posted on the OP that the front facing bushing is fluid filled. So that is answered and shown.

The one in question is the impact bushing. I know the vertical impact design of the bushing for the rearward is new, so it might be solid?
Previously I know that nissans used horizontal bushings, such as for the compression arms.

Quote:
Originally Posted by Rusty View Post
Standard Nissan fashion. The rear bushings have 2 silicone filled chambers. Like I said. The front bushings are not silicone filled.

Other silicone filled bushings on the Z are. The rear diff bushing. The 2 front sub-frame bushings.
Are you just saying they’re filled with something else and not silicone? Cause again, in the OP you can see that the front facing bushing has leaked.

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Old 05-22-2019, 07:30 PM   #13 (permalink)
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Made it out to the garage and cut into one of the front bushing with a razor knife, no liquid came out. Also dug around in the knife cut with a screw driver trying to further tear the bushing. Still no fluid.

I have no idea what the black residue in the OP was but it would appear it wasn't liquid filling from the bushing.
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Old 05-23-2019, 09:06 AM   #14 (permalink)
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My bushings look like this too. I'm going to clean them off to see if it comes back.
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Old 05-23-2019, 01:03 PM   #15 (permalink)
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Quote:
Originally Posted by gomer_110 View Post
Made it out to the garage and cut into one of the front bushing with a razor knife, no liquid came out. Also dug around in the knife cut with a screw driver trying to further tear the bushing. Still no fluid.

I have no idea what the black residue in the OP was but it would appear it wasn't liquid filling from the bushing.
Oh wow, the black residue is what was confusing me as well... So you actually replaced what you suspected as shot bushings, but it wasnt actually shot.

what about your rear bushings on the front arm? Did those leak on you?
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