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G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Tranny & Rear Differential Fluids

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  #16  
Old 11-26-2008, 11:27 AM
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Originally Posted by Mikalvelix17
Amsoil MTG 75W-90 API GL-4 for the transmission and Sever Gear 75W-90 API GL-5 for the rear differential
Originally Posted by Slick 6MT
I'm about to change out the tranny and rear diff fluids in my car.

These are the products to use?
Yup...that's what Amsoil I'm using and very happy.
 
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  #17  
Old 11-28-2008, 05:18 PM
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The dealership said I need the differential additive but I don't see it recommended on the Amsoil site. Do I need it? 06 coupe mt
 
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  #18  
Old 11-28-2008, 06:56 PM
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Originally Posted by V35 Skyline GT
Originally Posted by Mikalvelix17
.. i was looking at flushing out my tranny & diff. fluids with Amsoil MTG 75W-90 API GL-4 for the transmission and Sever Gear 75W-90 API GL-5 for the rear differential. is this recommended and will this make a big difference in terms of smoother shifting? any info will help. thanks
Yup...that's what Amsoil I'm using and very happy.
Why not MTF 5W-30????
It's designed for synchromesh trannies.

:edit:
NM... I see MTG is the spec viscosity & also designed for synchro trannies.
 
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  #19  
Old 11-28-2008, 08:04 PM
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Redline fluid seemed to help cold shifts a bit. Smells like hell tho
 
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  #20  
Old 11-28-2008, 09:56 PM
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Originally Posted by dubel
The dealership said I need the differential additive but I don't see it recommended on the Amsoil site. Do I need it? 06 coupe mt
The dealership is "confused." Service manual specifies any API GL-5 75w90 or 80w90 gear oil. Go with Amsoil SVG 75w90
 
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  #21  
Old 11-29-2008, 08:08 AM
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Originally Posted by dubel
The dealership said I need the differential additive but I don't see it recommended on the Amsoil site. Do I need it? 06 coupe mt
Originally Posted by bythabay
The dealership is "confused." Service manual specifies any API GL-5 75w90 or 80w90 gear oil. Go with Amsoil SVG 75w90
Agree dealer confused (what else is new lol) Diff does NOT need friction modifier additive.
Originally Posted by smoovarrowhead
Redline fluid seemed to help cold shifts a bit. Smells like hell tho
Friend of mine runs that in his Z, seems happy with it.
 
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  #22  
Old 11-29-2008, 11:54 AM
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I remember reading somewhere Infiniti puts friction modifier in the differential fluid when brand new to assist break-in. Thereafter it is not required. Just make sure you have the correct APL rating. This goes for all Nissans.
 
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  #23  
Old 11-29-2008, 12:11 PM
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Originally Posted by InTgr8r
Why not MTF 5W-30????
It's designed for synchromesh trannies.

:edit:
NM... I see MTG is the spec viscosity & also designed for synchro trannies.
Yup, MTGQT Manual Transmission & Transaxle Gear Lube 75W-90 for the transmission, Severe Gear 75W-90 for the diff.
 
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  #24  
Old 11-29-2008, 12:59 PM
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Going to AMSOIL this week...

Still can't do the oil though - in the middle of OC test #3. I WILL DEFEAT THEM!
 
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  #25  
Old 12-31-2008, 03:00 PM
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i put a differential fluid additive which i think was AMSOIL into my LSD on my 89 supra and it helped with chatter, i don't know if its good to put it in my VLSD on my sedan since it dosen't have clutches but some silicone mechanism instead, my diff isn't chattering but i'd like to keep it running better
 
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