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Brake Fluid Changed!



  Saab 93 Aero Wagon
Right now the car is cocked, locked and ready to attack those fantastic Scottish roads!:D

Have to say i found bleeding the system and renewing the fluid pretty easy! Helped having the right tools (vaccum pump for the bleed nipples and a four poster ramp) i suppose!

Anyone else done their own recently?
 
  RS Clio 200
yep piss easy....

i use the ATE super blue, which is, well, blue... then when i change i think they do red stuff.... so you can tell when ure pumping through cleeeeeeeeen fluid. awesome stuff.

try changing ure rear brake lines... ull need to fill the whole thing up again, got half the tank in my hair LOL
 
  RS Clio 200
stick it in a metal bowl and burn it :cheers:

or take it to ure local tip and stick it in the oil bit
 
  Saab 93 Aero Wagon
We have a proper oil drainer at work so it all goes in there.
Im always proper neurotic when it comes to working with the brake fluid..verging on OCD in fact!

I'll barely use a piece of cloth to mop up the stuff and it goes straight in the bin. Had a mechanic mate who managed to blow the fluid reservoir off a mercedes once.
Brake fluid EVERYWHERE.
I cringe when he tells me about it.
 
  Saab 93 Aero Wagon
Just writing one up for the 172 Cup. May apply to 182's as well im guessing. No pics but pretty much what i did.
 
Just writing one up for the 172 Cup. May apply to 182's as well im guessing. No pics but pretty much what i did.

Yep exactly the same same as the 1.2 etc as well same as any car realy.

I've been menaing to do mine and write a guide not managed to get very far though.
 
  Saab 93 Aero Wagon
No pics but goes as so.

You will need the following:

2 litre bottles of dot 3 or 4 brake fluid,
An 8mm spanner with ring end,
A length of transparent narrow rubber tubing (approx 5mm width, similar to breather hose, to fit over bleed nipples)
A spray bottle
A mate or two!
The car in the air!


1. With car elevated (easier, but not too high as you will need to access the fluid resevoir), locate the bleed nipples on each brake caliper. These look like nice erect nipples so you shouldn't miss them!
These are usually protected with small rubber caps. Remove caps.

2. Remove resevoir lid and then with an empty spray bottle and nozzle, suck up all of the fluid into the bottle using the spray. Alternatively if you have access to an air line and a special brake fluid vaccum bottle, use this to suck the fluid out.

Then fill back to the brim with new fluid. A funnel is a good idea, as spillage is not good!

3. Go to the furthest caliper from the fluid reservoir (nearside rear) and place the ring end of the spanner over the nipple at the base, allowing room to undo by about a 1/4 turn. Then place rubber tubing over the nipple and other end into a collecting bottle.

4. Now undo the nipple by a 1/4 turn with a friend pumping the brake pedal (careful if nipple is tight. Breaking it will result in a new caliper being needed!) and drain approx HALF of the reservoir of new fluid out thru the nipple.
DO NOT ALLOW RESERVOIR TO EMPTY.
Top up reservoir back to top and repeat process until half empty again.
Once done, tighten up bleed nipple WHILST PEDAL IS STILL BEING PUMPED and remove tubing and spanner.

5. Now repeat this process on the other rear wheel and then the nearside front, finishing with the offside (drivers side) front.
As this wheel is directly under the reservoir it will empty faster than the others so be sure to keep an eye on the fluid level. DO NOT allow it to empty.

6. Once finished you should have used about a litre of new fluid (or 1 bottle) and the reservoir then needs to be topped up back to the MAX line with fluid from the other unused bottle. DO NOT reuse the fluid drained out....its easily done!
Replace cap.

7. Make sure all the bleed nipples are done up (but not over tight) and the rubber caps are back on. Give the pedal a pump, making sure it goes hard and doesn't go to the floor, and check the fluid level a final time.

Et voila....i think.

If you are using the air line and vaccum method, no pumping is required as the fluid will be drawn out not pushed.

Hope this helps!
 

MRBILLYUK

ClioSport Club Member
  FF Jeden Osiem Dwa
^^^^ Thats a new one on me mate . Why would you want to suck the old fluid out of the reservoir ??

Just crack the nipple , pump the pedal and top up the reservoir as you bleed the old fluid out . If you gonna use 2 litres you'll have new fluid to all the calipers as the 172 / 182 system only holds 1 litre of fluid .
 
  Saab 93 Aero Wagon
You are right mate, there is no real need to drain the reservoir, but it speeds up the process. It was the way i was taught anyways and i have been taught by Lotus techies so can't be too far wrong.

And yeah, 2 litres. One to flush thru and the other to renew the old stuff.
 

MRBILLYUK

ClioSport Club Member
  FF Jeden Osiem Dwa
Just seems a bit of p*ss ballin about tbh , the res doesn't hold much anyway . Just bleed it through , thats all i ever do .
 
  Saab 93 Aero Wagon
Fair play mate. Im sure both ways work fine....i just put down the way i've been taught to do it!
Cheers for the input anyways
 

MRBILLYUK

ClioSport Club Member
  FF Jeden Osiem Dwa
No probs . Nice of you to take the time and effort for the guide though :)
 


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