Rear Diff/subrace bushing replacement - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

msaikhan · 08-03-2021, 01:19 PM

2013 frs 155k

My rear diff bushing that connects them to subframe is cracked. I dont see any writeup on replacing the bushing.

Is it doable with bushing press kit from advance auto?(without dropping the whole subframe)
or do i need to burn and cut it out etc...

Also, please give me replacement options. (currently looking at oem)

EndlessAzure · 08-06-2021, 04:57 AM

Tangentially related, but I have a pair of OEM diff bushings new in bag if you are looking to buy some.

Whiteline claims you can do them on the car with some cutting. Not sure if a press kit is sufficient: www.whiteline.com.au/docs/install_guides/Z5294.pdf

Westen86 · 08-06-2021, 10:26 AM

I went with SuperPro 80k "street" durometer full replacement bushing. I have not installed them yet.

NoHaveMSG · 08-06-2021, 02:21 PM

Air saw the outer race of the bushing till you get a slit. Hit with punch till you get a lip, then air hammer the bastard out of there.

norcalpb · 08-06-2021, 02:50 PM

Another option is just replace the entire rear subframe. You’ll get new subframe bushings and diff bushings with it. I would look at shipping from the wholesale sites vs picking up at a dealer. Dealer may be cheaper in this instance.

https://parts.subaru.com/p/Subaru_20...0152CA000.html

jeepmor · 08-14-2021, 11:35 PM

I've been looking at this lately. I think a clawed bearing puller and the right size socket, washer or pipe bit may work to press the bushing out if you have the clearances without pulling the full assembly down. That's a press through plan.

A pipe with the right diameter and a the right sized bolts, washer and nuts would be great. Refer to Cusco's steering bushing puller. It would pull it towards the wrench instead of away. Which may be needed here for clearances. I like this plan better, but don't see a simple jig to pull it off for these bushings.

Link for jig pull through reference.

https://www.enjukuracing.com/product...All%20Products

Turdinator · 08-15-2021, 11:19 PM

I have to do this on my car also. I have been putting it off as I think to do it properly I'll need to drop the diff and reseating the drive shafts is a pain in the ass. From what I have read one bush is basically a slip fit and should come out easily but the other is a tighter fit and will requite a puller or some cutting.

08-03-2021, 01:19 PM	#1
msaikhan Senior Member Join Date: Jun 2018 Drives: frs Location: arlingtong va Posts: 185 Thanks: 33 Thanked 41 Times in 28 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Rear Diff/subrace bushing replacement 2013 frs 155k My rear diff bushing that connects them to subframe is cracked. I dont see any writeup on replacing the bushing. Is it doable with bushing press kit from advance auto?(without dropping the whole subframe) or do i need to burn and cut it out etc... Also, please give me replacement options. (currently looking at oem)

08-14-2021, 11:35 PM	#6
jeepmor Senior Member Join Date: Apr 2014 Drives: 84 CJ7, 08 Duramax, 2014 FRS Location: Oregon Posts: 486 Thanks: 347 Thanked 131 Times in 105 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	I've been looking at this lately. I think a clawed bearing puller and the right size socket, washer or pipe bit may work to press the bushing out if you have the clearances without pulling the full assembly down. That's a press through plan. A pipe with the right diameter and a the right sized bolts, washer and nuts would be great. Refer to Cusco's steering bushing puller. It would pull it towards the wrench instead of away. Which may be needed here for clearances. I like this plan better, but don't see a simple jig to pull it off for these bushings. Link for jig pull through reference. https://www.enjukuracing.com/product...All%20Products Last edited by jeepmor; 08-15-2021 at 12:53 AM. Reason: grammar

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08-06-2021, 02:50 PM	#5
norcalpb Senior Member Join Date: Oct 2013 Drives: 2013 BRZ, 2023 Model 3 Location: SF Bay Area Posts: 2,345 Thanks: 1,256 Thanked 902 Times in 590 Posts Mentioned: 15 Post(s) Tagged: 0 Thread(s)	Another option is just replace the entire rear subframe. You’ll get new subframe bushings and diff bushings with it. I would look at shipping from the wholesale sites vs picking up at a dealer. Dealer may be cheaper in this instance. https://parts.subaru.com/p/Subaru_20...0152CA000.html

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