Rear differential
#1
Driver School Candidate
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Rear differential
I just recently today had my rear differential go out on my gs430 it started making popping noise when i put it in reverse for a couple weeks but today when i went to take off it popped hard and just wouldnt move and it made a weird whinning noise like the trans was spinning but not grabbing anything.....is it a hard to remove and replace? Can i use one from an ls or sc since its the same engine and trans ? Is there anything new i need to buy in order to install a used one from the junkyard ?.....thanks in advanced this is stressfull
#3
Driver School Candidate
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So i can put a 03 LS430 differential someone at a junk yard is telling me that it wont fit but idk why if its the same engine and trans setting
#7
Driver School Candidate
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Dont think i will be using a 300 diff as of now mayb later in the future.... ive herd it is a good swap thou from many people...thanks for the info greatly appreciated
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#10
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Join Date: Feb 2020
Location: WA
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Hey, I'm new to this site and I just thought i'd jump on and try to find some info on my GS 400 rear diff. Had to put it in the shop after weeks of intermittent grinding noises that got progressively worse over time. Just got news that there were metal flakes inside when the shop opened it up during diagnostics. They're saying worst case could be a $2k job (not sure if the car is even worth that honestly), but I'm trying to do whatever I can to save this vehicle for my kid, so price is a factor. Any ideas on who in this community is capable of doing the job in my area (98027)? If there's a way to seek out a skilled mechanic or used parts guy, your help would be much appreciated. Thanks alot and have a good one.
#11
I've pulled my diff out in 15 minutes. If you can locate a used one, it is an easy swap. The thing isn't heavy as far as diffs go. You just unbolt the driveshaft, the axles from the sides and let them hang there. They push away far enough. Then the bolts from the back and bottom. A used diff and having someone with basic wrenching skills around should be able to get this done for around $300. Used diff sell for 200-250. I'd do the job for $50. Maybe $100 if I was doing it on my back. Ask around for someone that can help you do it. Look on ebay for a used diff etc. Mobil mechanics on craigslist etc.
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