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Engine & DrivetrainDiscussions about the engine and drivetrain of your vehicle.
This is a discussion thread titled "Redline gear oil", within the Engine & Drivetrain forum, part of the Technical & Vehicle Assistance Forums category.
I'm going to change my diffs and transfer case over to redline 75w90 in my 04 tundra dc. Here come the questions guys.
1- For the guy's that are running this oil in there limited slip rear diffs. Is there enough friction modifer added to the gear oil already or did you have to add more to get away from chatter?
2- Since I have to order the oil I just want to double check my numbers for the amount I will need to change both diffs and transfercase. Does 6qts sound right?
Most GL5 gear oil today have anti-chatter, anti-slip, friction modifiers on them already. Peace of mind and heavier use, I still prefer to add more! Overtime, they do break down. Alot of users here will say the same thing. I do it for peace of mind. 6 quart is more than enough. 5 qts is more like it.
Quote:
Originally Posted by Pee Wee
I'm going to change my diffs and transfer case over to redline 75w90 in my 04 tundra dc. Here come the questions guys.
1- For the guy's that are running this oil in there limited slip rear diffs. Is there enough friction modifer added to the gear oil already or did you have to add more to get away from chatter?
2- Since I have to order the oil I just want to double check my numbers for the amount I will need to change both diffs and transfercase. Does 6qts sound right?
THANKS FOR YOUR HELP!!!
Pee Wee
If too much LSD friction modifier is added you lose part of the LSD effect. If not enough is in the oil you get chattering. Don't add more unless you have chattering, then add a little at a time.
I used 4 quarts for the rear, 2 for the transfer case, and 2 for the front diff.
Ken
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I am also planning on changing gear oils. The owners manual calls for 75W90 for the diff but the only oil I can find in that weight is semi or full sinthetic. Will this make my rear axel seals leak or can I just use 80W90??? Thanks.
I am also planning on changing gear oils. The owners manual calls for 75W90 for the diff but the only oil I can find in that weight is semi or full sinthetic. Will this make my rear axel seals leak or can I just use 80W90??? Thanks.
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Redline gear oil
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