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Redline Gearbox Oil problems

rb25
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rb25 Grand Master

rb25

Posted
Posted

OK people - ive read heaps of threads that say that this stuff is the best, and I decided to try it out. After about 500kms the box was heaps better and decided to go for a hard run thru the hills for an hour to really test it. Serviced the car a week later and discovered that this oil was spewing out the breather hole and had completley covered the gearbox externally (hopefully not onto my new clutch as well which was put in at the same time).

Does this stuff have a high expansion rate? I used the super-lightweight 75W90 (yellow coloured stuff). Is this too light and just thowing straight off the gears? I filled it up till it came out the plug - about 3.4L.

Seems a bit strange to me. I looked at the box a week later and i can't see any oil on it anymore - seems to have stopped but I think its a bit low on oil now - doesn't shift as well as it did when i first put it in.

Any help is appreciated.

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https://www.sau.com.au/forums/topic/15983-redline-gearbox-oil-problems/
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Cake Mentor

Cake

Posted
Posted

hmmm, i can't see how u could have overfilled it because its meant to be filled until it starts spilling out. the super lightweight may be too light, i have the lightweight in mine (blue), which is recommended. im unaware of the expansion rate, that does seem strange.

Busky2k Veteran

Busky2k

Posted
Posted

Make sure the car is level when u fill it! If your filling it with the front end jacked up, then you're gonna be putting more oil than actually required, cos the oil will tip towards the back of the case. What i find is to try and slowly fill it up, and when u can feel it a bit below the filler whole, remove the jack and let any excess spew out the hole into a oil tray. Messy, but works.. Or just go to a Ultratune or something and get them to do it while its on a car lifter thingo..

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