Changing rear end lube?
3/28/13, 02:02 PM
#1
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Changing rear end lube?
Simmer down! Eyes up here! Eyes up here!
So after ceding 75% of my closet space to my gf about 6 months ago, I recently decided to run through some of the things over on my end. I noticed I had some Amsoil products that never made it into my S2000, which coincidentally also has a Torsen diff. I plan on using what I have to change my rear end and tranny fluid within the next 10 days. Here’s what I have:
Severe Gear 75W-90
Manual Transmission & Transaxle Gear Lube 75W-90
Questions to help me mentally prepare for this (because plugs are so complex) –
I haven’t looked at the diff cover or tranny. Can anyone tell me where the plugs are located? Can I reuse the plugs and washers? Any best practices?
So after ceding 75% of my closet space to my gf about 6 months ago, I recently decided to run through some of the things over on my end. I noticed I had some Amsoil products that never made it into my S2000, which coincidentally also has a Torsen diff. I plan on using what I have to change my rear end and tranny fluid within the next 10 days. Here’s what I have:
Severe Gear 75W-90
Manual Transmission & Transaxle Gear Lube 75W-90
Questions to help me mentally prepare for this (because plugs are so complex) –
I haven’t looked at the diff cover or tranny. Can anyone tell me where the plugs are located? Can I reuse the plugs and washers? Any best practices?
3/28/13, 03:49 PM
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Frank, why bother changing your rear end fluid ! Car is new and changing it won't do much difference unless you're tracking the car.
As for the tranny fluid, i would swap to Redline MTL, that's what i have in mine and i've seen a significant change. Going through the gears is easier and less notchy.
As for the tranny fluid, i would swap to Redline MTL, that's what i have in mine and i've seen a significant change. Going through the gears is easier and less notchy.
3/28/13, 04:08 PM
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Thanks for responding, my friend. How is America's Hat treating you guys up there? I want to change the fluids because I've just completed "break in" and wanted to make sure there are no metallic particles circulating in those two places.
3/28/13, 04:37 PM
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I'm always thinking about the glory of Canadia, my friend.
Didn't mean to come across abrasively. I had a few points that needed to be adressed and your response didn't really point to anyting in particular.
Didn't mean to come across abrasively. I had a few points that needed to be adressed and your response didn't really point to anyting in particular.
3/29/13, 05:02 AM
#8
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I changed the rear gear oil in mine at 30K. I'll leave that fluid in for at least 50K.
Check this thread for pics on the fill hole location. Gotta remove the cover to drain. I'd suggest a new cover with a drain hole if you plan to do the rear oil more often.
https://themustangsource.com/f813/fi...e-pics-497224/
Check this thread for pics on the fill hole location. Gotta remove the cover to drain. I'd suggest a new cover with a drain hole if you plan to do the rear oil more often.
https://themustangsource.com/f813/fi...e-pics-497224/
3/29/13, 01:36 PM
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3/29/13, 03:52 PM
#10
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I drained out the factory rear-diff fluid today at 10,100 miles ... it was kinda gray-ish, I took a sample that I'll send out to Blackstone Labs for analysis, along with the engine oil that I also changed out today.
The diff has 3 different plugs.
One drain-plug at the bottom on the back, on the finned cover.
One fill-hole at the top on the back, on the finned cover.
One inspection hole, on the driver side of the diff, on the front of it.
My tech removed the inspection hole plug, re-installed the bottom (drain) plug, and added fluid until fluid came out of the inspection hole, then buttoned everything up.
The fluid I went with is a custom-blended fluid from BND Automotive's "QuantumBlue" line, and they pre-mixed in the required friction modifier for the Torsen diff.
Per BND's recommendation, we drained out the factory fluid, refilled the diff with 80w90 Supertech differential fluid from Walmart, ran it on the lift for 10-15 minutes (just put it in first and let the car turn the wheels), then drained the Walmart fluid and re-filled with the BND fluid, which is now good for 40k miles.
Some pics:
Factory 10k-mile fluid being drained:
The amount of crud found on the magnet on the drain plug:
The Walmart fluid being drained out :
The diff has 3 different plugs.
One drain-plug at the bottom on the back, on the finned cover.
One fill-hole at the top on the back, on the finned cover.
One inspection hole, on the driver side of the diff, on the front of it.
My tech removed the inspection hole plug, re-installed the bottom (drain) plug, and added fluid until fluid came out of the inspection hole, then buttoned everything up.
The fluid I went with is a custom-blended fluid from BND Automotive's "QuantumBlue" line, and they pre-mixed in the required friction modifier for the Torsen diff.
Per BND's recommendation, we drained out the factory fluid, refilled the diff with 80w90 Supertech differential fluid from Walmart, ran it on the lift for 10-15 minutes (just put it in first and let the car turn the wheels), then drained the Walmart fluid and re-filled with the BND fluid, which is now good for 40k miles.
Some pics:
Factory 10k-mile fluid being drained:
The amount of crud found on the magnet on the drain plug:
The Walmart fluid being drained out :
Last edited by Gabe; 3/29/13 at 03:57 PM.
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