Does it matter if diff mount bushing is blown?

Spooler · 06-07-2023, 06:09 PM

You need to get it fixed. It can cause wheel hop which is bad on parts.

NissanParty · 06-07-2023, 06:10 PM

Quote:

Originally Posted by Spooler

You need to get it fixed. It can cause wheel hop which is bad on parts.

Dang. I watched a few videos, looks like a pain but I can do it.

SkysG37 · 06-07-2023, 08:26 PM

Always thought Z's had a solid rubber bushing and the goo was only on the Infiniti chassis.
NVH vs performance, respectively.

Have read some people simply fill the stock bushing with a two part silicone or some such epoxy.
Fine for a daily that never gets driven hard, I suppose
I opted to swap in a whiteline bushing and brace.

But I see there are stiffer braces out on the market now.
Also seen the use of a pathfinder diff, that has two bushings for support. But that necessitates adding a second hole/sleeve and bushing to the rear subframe.

NissanParty · 06-07-2023, 08:39 PM

Quote:

Originally Posted by SkysG37

Always thought Z's had a solid rubber bushing and the goo was only on the Infiniti chassis.
NVH vs performance, respectively.

Have read some people simply fill the stock bushing with a two part silicone or some such epoxy.
Fine for a daily that never gets driven hard, I suppose
I opted to swap in a whiteline bushing and brace.

But I see there are stiffer braces out on the market now.
Also seen the use of a pathfinder diff, that has two bushings for support. But that necessitates adding a second hole/sleeve and bushing to the rear subframe.

I guess not because mine popped and all the juice came out!! Dang it!!!

BoilardZ · 06-09-2023, 12:48 AM

I replaced mine last year, at about 40K miles.
It was a pretty straightforward job, but it took a lot of patience and force to get that old bushing out. I used the removal tool from Z1 motorsports; it worked quite well. There are some good how-to videos on YouTube.
It's critical to replace a blown bushing. My car was really hopping around after the original blew. Bad design. The new, solid bushing from White Line is a huge improvement.

NissanParty · 06-09-2023, 01:14 AM

Quote:

Originally Posted by BoilardZ

I replaced mine last year, at about 40K miles.
It was a pretty straightforward job, but it took a lot of patience and force to get that old bushing out. I used the removal tool from Z1 motorsports; it worked quite well. There are some good how-to videos on YouTube.
It's critical to replace a blown bushing. My car was really hopping around after the original blew. Bad design. The new, solid bushing from White Line is a huge improvement.

Thanks, my main concern was removing the old bushing. I saw people using a sawzall or other things to get it out. I'll look at Z1 and watch some videos. I'll also see how much a shop will charge, I wish I had a lift!

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06-07-2023, 06:09 PM	#1 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,153 Drives: 2013 Nismo 370z Rep Power: 2684394	You need to get it fixed. It can cause wheel hop which is bad on parts.

06-07-2023, 08:26 PM	#3 (permalink)
SkysG37 Base Member Join Date: Jun 2019 Location: Fort Myers Florida Posts: 28 Drives: SC '08 G37 coupe Rep Power: 7	Always thought Z's had a solid rubber bushing and the goo was only on the Infiniti chassis. NVH vs performance, respectively. Have read some people simply fill the stock bushing with a two part silicone or some such epoxy. Fine for a daily that never gets driven hard, I suppose I opted to swap in a whiteline bushing and brace. But I see there are stiffer braces out on the market now. Also seen the use of a pathfinder diff, that has two bushings for support. But that necessitates adding a second hole/sleeve and bushing to the rear subframe.

06-09-2023, 12:48 AM	#5 (permalink)
BoilardZ Base Member Join Date: Apr 2017 Location: Sacramento, CA Posts: 98 Drives: 2017 370Z Rep Power: 10	I replaced mine last year, at about 40K miles. It was a pretty straightforward job, but it took a lot of patience and force to get that old bushing out. I used the removal tool from Z1 motorsports; it worked quite well. There are some good how-to videos on YouTube. It's critical to replace a blown bushing. My car was really hopping around after the original blew. Bad design. The new, solid bushing from White Line is a huge improvement.