Hi,

Time to change the brake fluid/bleed the brakes.

Handbook says use TUTELA TOP 4. Is this something special or can I use any DOT 4 brake fluid?

Are there good and bad ones?

Any tips much appreciated.

Cheers

Ron

Poperon said:

Hi,

Time to change the brake fluid/bleed the brakes.

Handbook says use TUTELA TOP 4. Is this something special or can I use any DOT 4 brake fluid?

Are there good and bad ones?

Any tips much appreciated.

Cheers

Ron

Click to expand...

any DOT4 should be fine, - from a sealed container...

I use Comma / Girling because they are sold most places - but to DOT 4 standard should be a guarantee in itself,
Charlie

Thanks Charlie, it'll be whatever DOT 4 the local car parts people have on their shelves then.

Ron

Is there a particular bleeding sequence, i.e rear nearside first, then rear offside etc. or doesn't it matter?

I've had a look through the eLearn manual and there is no mention of a bleeding sequence.

Cheers

Ron

Poperon said:

Is there a particular bleeding sequence, i.e rear nearside first, then rear offside etc. or doesn't it matter?

I've had a look through the eLearn manual and there is no mention of a bleeding sequence.

Cheers

Ron

Click to expand...

Hi,
AFAIK,
if you are pushing fresh fluid through a pre-filled system..shouldn't matter - as there is ZERO air in there to "lock".

Charlie

Of course....got it.

Cheers

Ron

Re: Which brake fluid? Update...spongy pedal

Well, eventually got round to doing the job.

Good news is that there was only a bit of discoloured/contaminated fluid that needed to be bled out (front discs).

The not so good bit is that I've somehow managed to do something leaving the pedal feeling a bit spongy.

Here's what I did: First of all tried an old brake bleeding kit, which is a replacement reservoir cap connected up to a pressure vessel (with pressure gauge), the cap wasn't a good fit it leaked air and for some reason the level in the reservoir went up when pressure (10psi) was applied (did I put some air into the system by accident at this point?). Gave up on that and did the rest of the job with the pump and hold method.

I know I must have introduced some air to cause the sponginess, my question is how to get it out? Should I just keep on bleeding until the air finally works it way through the system? "Pump & hold" method or should I get hold of a more up to date bleeding kit with integral fluid reservoir (Gunson Eazibleed type).

Any suggestions much appreciated.

Cheers

Ron

is the sequence usually to start furthest away from master cylinder? e.g. nearside rear to nearest offside front.

wedge the brake pedal against chair with a stick and go around opening bleeder valves individually.

on topping mine up i realised the mesh on reservoir didnt drain very well, did air enter this way? get some pliers and remove the mesh.

Hi and thanks,

You must be using a bleeding kit, have you got any recommendations for which one works with the Doblo?

Are you keeping the pedal wedged to the floor to exclude any chance of air in the master cylinder?

Cheers

Ron