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How Many Litres Do I Need For Power Steering And Brakes? (r34)

SS8_Gohan

By SS8_Gohan,
in General Maintenance

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SS8_Gohan Grand Master

SS8_Gohan

Posted
Posted

hi ppl!

need to confirm how many litres of fluid i need for power steering and for my brakes for a R34 (turbo coupe)???

Going Castrol Transmax Z for steering, Motul RBF600 or whatever, for brakes. I know Motul can be obtained relatively cheaply from bike shops but what about the Castrol?

Autobarn told me $71 for 4 litres. I'm thinking i won't need 4 litres for power steering even after flushing it??

They also told me $34 for 500ml's for Motul!!

cheers!

daniel

djr81 Grand Master

djr81

Posted
Posted (edited)
hi ppl!

need to confirm how many litres of fluid i need for power steering and for my brakes for a R34 (turbo coupe)???

Going Castrol Transmax Z for steering, Motul RBF600 or whatever, for brakes. I know Motul can be obtained relatively cheaply from bike shops but what about the Castrol?

Autobarn told me $71 for 4 litres. I'm thinking i won't need 4 litres for power steering even after flushing it??

They also told me $34 for 500ml's for Motul!!

cheers!

daniel

Castrol is more expensive and, um, well it is more expensive. About $30 for Motul brake fluid is right for 500ml. Sometimes you can get it for less. Get two bottles if you want to fully bleed your brakes. Or just one if like me you are lazy & only do the fronts.

Power steer fluid. Why flush it? Just get a half litre/litre bottle. Any old stuff is fine.

Edited by djr81
SS8_Gohan Grand Master

SS8_Gohan

Posted
  • Author
Posted

so 1 litre of brake fluid would be enough to flush and fill up?? (i'd be doing all the brakes)

Don't like to skimp on the cars lubricants, especially not before a track day. Plus, the steering rack has been binding up quite quickly after some slaloming and i'm trying a quality hydraulic fluid as my first step of trying to fix it. I might need a cooler for it, but i'll see if i can fix it just with fluid at this stage.

So power steering doesn't need much either??

djr81 Grand Master

djr81

Posted
Posted
so 1 litre of brake fluid would be enough to flush and fill up?? (i'd be doing all the brakes)

Don't like to skimp on the cars lubricants, especially not before a track day. Plus, the steering rack has been binding up quite quickly after some slaloming and i'm trying a quality hydraulic fluid as my first step of trying to fix it. I might need a cooler for it, but i'll see if i can fix it just with fluid at this stage.

So power steering doesn't need much either??

Yes a litre of brake fluid.

Power steering fluid is cheap as chips. NFI how much you need but a litre would be in the ball park.

If you steering is binding get it checked properly. Don't go to a track day with a potentially dodgy car it WILL end in tears.

SS8_Gohan Grand Master

SS8_Gohan

Posted
  • Author
Posted

the last day i was at, there was a little motorkhana section, and the instructor for that bit took my car out and he said it was normal for road cars to start doing that under these conditions, and it was probably just the steering fluid overheating. He didn't seem to think it was much and was some dual motorkhana champion or something...

and i don't know how you could check something like that without trying to replicate the problem with some "turning" intensive driving....

  • 4 weeks later...
SS8_Gohan Grand Master

SS8_Gohan

Posted
  • Author
Posted

conclusion:

1 bottle of RBF600 was enough to flush a bit and fill brakes.

still have about 1.5litres left of Transmax. Apparently the power steering fluid was black as anything, just horrible, and took a bit to flush. So i wouldn't say 2.5litres would be normal, but i don't think mine had ever been changed.

as far as i could tell from my track day, the Transmax has fixed the binding issues...

some_cs_student Veteran

some_cs_student

Posted
Posted

You did the flush in only 1 bottle of RBF600?

I used 1.3 (or maybe 1.5) bottles, but we did flush it really thoroughly just to make sure the RBF600 didn't mix with the old brake fluid (as I didn't know what fluid was in there).

djr81 Grand Master

djr81

Posted
Posted
i used like 1.9 bottels just to make sure...hehe if brake fluids are of different colour it helps let u know.:P

Well this was the colour of my brake fluid the last time I changed it. So it shouldn't be too hard to tell the difference. :woot:

post-5134-1207195104_thumb.jpg

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