No more 1st gear thump or 2nd gear notchiness - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

kc4mne · 08-19-2012, 11:25 AM

Replaced the manual transmission fluid with Redline MT-90
http://www.redlineoil.com/product.aspx?pid=46&pcid=7

And the rear differential gear with Moblil 1 75W90
http://www.mobiloil.com/USA-English/..._75W-90LS.aspx

Transmission shifts much better, no thump on 1st gear and much much less notchiness on 2nd gear engagement

NeedsmoreCowbell · 08-19-2012, 01:16 PM

why did you decide on mobil 1 on the rear?

tonystewart · 08-19-2012, 01:20 PM

Why did you use Mobil 1 for the diff? just curious

carbonBLUE · 08-19-2012, 01:20 PM

Quote:

Originally Posted by NeedsmoreCowbell

why did you decide on mobil 1 on the rear?

mobile one rocks... duhhh lol

S2kphile · 08-19-2012, 01:21 PM

Quote:

Originally Posted by tonystewart

Why did you use Mobil 1 for the diff? just curious

Because NASCAR uses it

carbonBLUE · 08-19-2012, 01:22 PM

Quote:

Originally Posted by tonystewart

Why did you use Mobil 1 for the diff? just curious

Quote:

Originally Posted by S2kphile

Because NASCAR uses it

i see what you did there....

Hotlava86 · 08-19-2012, 04:27 PM

This will be happening now! changing it next weekend for sure!

mashal · 08-19-2012, 04:33 PM

How much did you use of each?

Bonburner · 08-19-2012, 05:47 PM

I've definately been planning on swapping all my fluids at 3k

kc4mne · 08-19-2012, 06:53 PM

used little les than 3 qt for the tranny and little less than 2 qt for th diff.

used mobil 1 for the diff because the place were I got the redline did not have 75w90 GL-5 gear oil in stock. Plus mobil 1 has limited slip friction additive in it which is needed if the limited slip axle has clutches, which I don't know if it does on not, but with mobil 1 it does not matter, you are covered either way

D1cker · 08-19-2012, 07:21 PM

our limited slip is a torsen so no clutches.

demby123 · 08-20-2012, 07:15 AM

I thought AZ6 transmissions took that wierd 5w30 gear oil that honda uses...

gmookher · 08-30-2012, 09:01 PM

Quote:

Originally Posted by kc4mne

used little les than 3 qt for the tranny and little less than 2 qt for th diff.

used mobil 1 for the diff because the place were I got the redline did not have 75w90 GL-5 gear oil in stock. Plus mobil 1 has limited slip friction additive in it which is needed if the limited slip axle has clutches, which I don't know if it does on not, but with mobil 1 it does not matter, you are covered either way

so did the MT90 cure, lessen or did you NOT have the bitchy 2nd gear issue when cold?

pinoyplaya · 08-30-2012, 09:27 PM

Are these fluids easy to replace?

Easier than an oil change?

08-19-2012, 11:25 AM	#1
kc4mne Junior Member Join Date: Jul 2012 Drives: 2013 Scion FRS Location: Florida Posts: 3 Thanks: 0 Thanked 7 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	No more 1st gear thump or 2nd gear notchiness Replaced the manual transmission fluid with Redline MT-90 http://www.redlineoil.com/product.aspx?pid=46&pcid=7 And the rear differential gear with Moblil 1 75W90 http://www.mobiloil.com/USA-English/..._75W-90LS.aspx Transmission shifts much better, no thump on 1st gear and much much less notchiness on 2nd gear engagement

08-19-2012, 04:27 PM	#7
Hotlava86 Senior Member Join Date: Jul 2012 Drives: 2013 Hot lava Fr-s, 2007 Mazda 3 Location: kansas city missouri Posts: 282 Thanks: 30 Thanked 60 Times in 41 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	This will be happening now! changing it next weekend for sure! __________________ Raising the bar one step at a time! Kansas City FR-S/BRZ Facebook group. https://www.facebook.com/groups/452909128083343/ Hotlava86's Build thread!http://www.ft86club.com/forums/showthread.php?t=14152

08-30-2012, 09:27 PM	#14
pinoyplaya Senior Member Join Date: Aug 2012 Drives: WRB MT-BRZ LMTD Location: Maple Grove, MN (Minneapolis) Posts: 355 Thanks: 4 Thanked 64 Times in 34 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Are these fluids easy to replace? Easier than an oil change? __________________ BYE: WRB MT-BRZ LMTD Drove the car off the lot at 8/6/12 @ 8:06 PM Traded for Black 2013 Camaro 2SS RS

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08-19-2012, 01:16 PM	#2
NeedsmoreCowbell toyotas are practical :) Join Date: May 2012 Drives: Hot Lava FRS Location: Plano, TX Posts: 119 Thanks: 62 Thanked 49 Times in 24 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	why did you decide on mobil 1 on the rear?

08-19-2012, 01:20 PM	#3
tonystewart Senior Member Join Date: May 2012 Drives: 2013 Scion FR-S Raven Location: Lake Worth Florida Posts: 1,182 Thanks: 76 Thanked 373 Times in 253 Posts Mentioned: 13 Post(s) Tagged: 1 Thread(s)	Why did you use Mobil 1 for the diff? just curious

08-19-2012, 04:33 PM	#8
mashal DADA Join Date: Jun 2012 Drives: 2013 Location: Kanada Posts: 1,500 Thanks: 47 Thanked 388 Times in 249 Posts Mentioned: 10 Post(s) Tagged: 0 Thread(s)	How much did you use of each?

08-19-2012, 06:53 PM	#10
kc4mne Junior Member Join Date: Jul 2012 Drives: 2013 Scion FRS Location: Florida Posts: 3 Thanks: 0 Thanked 7 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	used little les than 3 qt for the tranny and little less than 2 qt for th diff. used mobil 1 for the diff because the place were I got the redline did not have 75w90 GL-5 gear oil in stock. Plus mobil 1 has limited slip friction additive in it which is needed if the limited slip axle has clutches, which I don't know if it does on not, but with mobil 1 it does not matter, you are covered either way

08-19-2012, 07:21 PM	#11
D1cker Senior Member Join Date: Jul 2012 Drives: B9 S4/ND2 Location: Fullerton, CA Posts: 522 Thanks: 190 Thanked 182 Times in 106 Posts Mentioned: 21 Post(s) Tagged: 0 Thread(s)	our limited slip is a torsen so no clutches.

08-20-2012, 07:15 AM	#12
demby123 Senior Member Join Date: Apr 2011 Drives: 86' Toyota Corolla GTSR5, 15' FRS Location: dallas Posts: 134 Thanks: 9 Thanked 16 Times in 7 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I thought AZ6 transmissions took that wierd 5w30 gear oil that honda uses...

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