Just seeing if there is any knowledge in this country for this. I'm trying Japan and USA for info. Brake bleeding on a 95 300zx TT and there is no bleed nipples on the abs pump (see pics). Also in the FSM it does not even acknowledge that the 94+ Zeds have a different pump so cannot get information from there.

 

There does seem to be an oil sight glass on the side though. Has anybody in this country had experience in brake bleeding a later zed to get air out of the abs area? If it is a self bleeding system it doesn't seem to be working. The only other way I have thought of doing it is like you do on diesel injectors high pressure side.

 

Cheers

 

Marty

 

Well I hope us monkeys where able to help!!

 

Some have. Others have cut and paste. Thread is making me dizzy going round and round.

 

When I bleed the brakes on my millennium falcon I do it with the afterburners on at 4000 rpm.

Some have. Others have cut and paste. Thread is making me dizzy going round and round.

 

When I bleed the brakes on my millennium falcon I do it with the afterburners on at 4000 rpm.

 

I cut and pasted that link to help you out Marty as you know my knowledge on the zed is not great but I can search the old threads and the net to try and help members in trouble. But boy your attitude stinks. If you want professional mechanic's only to help you dont put it on open fourm but PM the people you would rather speak to then you wont get unhelpfull people like me wasting your time.

Your attitude on this fourm is causing concern plus you already have a warning from me so think on.:nono:

Ok if you read the whole thread properly you will see that I said this in the first post as I know other systems on the later zed use dash lights instead of the old led's on boxes. Thing is though the online manual I read didn't confirm this and only mentioned a led blinker on the abs control box. You must have a 94+ manual. You will have to take a picture of yours so we can all see.

 

Well im sorry, but you clearly havent studied the WSM properly (oh, there is no 94+ WSM AFAIK)

 

 

Clearly says that the ABS diagnostics uses the dash light. people are trying to help you buy saying that it may not be a bleeding issue and it would be worth considering looking elsewhere for a fault.... otherwise whats the point in asking for help....

I cut and pasted that link to help you out Marty as you know my knowledge on the zed is not great but I can search the old threads and the net to try and help members in trouble. But boy your attitude stinks. If you want professional mechanic's only to help you dont put it on open fourm but PM the people you would rather speak to then you wont get unhelpfull people like me wasting your time.

Your attitude on this fourm is causing concern plus you already have a warning from me so think on.:nono:

 

The whole point of posting is to get someone with the same problem with same spec as there is someone on nico club that has been messaged with EXACTLY the same fault and spec. Various things I had already posted about with what information I had found. Point me in the direction of the experts that would know this abs I will pm them. Greg Dupree or Kyle Puckett maybe? I should have stated things a bit clearer in my first post of my mechanical background so that I don't get people asking if I've checked the fluid level or checked the abs fuse.

There does seem to be an oil sight glass on the side though. Has anybody in this country had experience in brake bleeding a later zed to get air out of the abs area? If it is a self bleeding system it doesn't seem to be working. The only other way I have thought of doing it is like you do on diesel injectors high pressure side.

 

Thats the original questions. Bleeding the system around the abs pump on a later model with no bleed nipples on the abs pump and the appearance of a sight glass on the side of the pump. Abs light is not staying on/blinking/flashing or anything else when I checked it yesterday indicating that the system is good. There is however no led on the control box which is interesting to note as it says there is in the manual.

 

Still know nothing about the sight glass. Nothing confirmed about bleeding air out of the abs area and the only one to consider the diesel high pressure side injector type bleed on it is Znut I believe.

 

Quickly get off topic these things.

just to say my abs system is 94+

i did have air in the rear of my system when i bled my brakes

 

but i did speak to someone with the same Problem as Jap but on an earlier car and he said it was the servo .. he replaced and all is ok but i still can not see how if servo

fails he would be hard brakes regardless

 

i would of said its the BMS failing with the sounds u said its doing

 

 

Edited February 11, 201312 yr by MarkDerby

That abs pump looks slightly different on the bottom half have you got like a plastic see through sight glass with an Allen key grub screw above it about 10mm? Servo is doing as it should.

 

I am yet to look at this system properly will do Wednesday so I will have an answer then. I just had a quick look and identified differences on a 94+ system and was looking to find out if these changes have made differences to bleeding and why these modifications were made. I should make it clearer next time exactly what I'm after finding out.

 

- - - Updated - - -

 

That abs pump looks slightly different on the bottom half have you got like a plastic see through sight glass with an Allen key grub screw above it about 10mm? Servo is doing as it should.

 

I am yet to look at this system properly will do Wednesday so I will have an answer then. I just had a quick look and identified differences on a 94+ system and was looking to find out if these changes have made differences to bleeding and why these modifications were made. I should make it clearer next time exactly what I'm after finding out.

The whole point of posting is to get someone with the same problem with same spec as there is someone on nico club that has been messaged with EXACTLY the same fault and spec. Various things I had already posted about with what information I had found. Point me in the direction of the experts that would know this abs I will pm them. Greg Dupree or Kyle Puckett maybe? I should have stated things a bit clearer in my first post of my mechanical background so that I don't get people asking if I've checked the fluid level or checked the abs fuse.

 

Just try to keep it civil Marty sorry a lot of people here wasted your time but they also put a lot of time into helping you. You need to remember that unlike other fourms we try our best to help members in what ever way we can please bear that in mind and thank people who try to help even if it is not what your looking for.

Now lets start again and get your brake problem sorted without all this negativity.

Just try to keep it civil Marty sorry a lot of people here wasted your time but they also put a lot of time into helping you. You need to remember that unlike other fourms we try our best to help members in what ever way we can please bear that in mind and thank people who try to help even if it is not what your looking for.

Now lets start again and get your brake problem sorted without all this negativity.

 

 

Of course it's Jap Slapper's brake problem though :D I'm just a travelling zed brain that just can't say no to helping out another zed owner.

 

Supra and RB forums are the worst I have seen for helping out so I can agree with you on that.

Of course it's Jap Slapper's brake problem though :D I'm just a travelling zed brain that just can't say no to helping out another zed owner.

 

Supra and RB forums are the worst I have seen for helping out so I can agree with you on that.

 

Well get it sorted Marty and good to hear you cant say no to helping zed owners.

My horn works well though....so maybe brakes are a bit over rated after all

 

and if the cars in front don't move out of my way then it's their fault.......isn't it?

My horn works well though....so maybe brakes are a bit over rated after all

 

and if the cars in front don't move out of my way then it's their fault.......isn't it?

 

yeah mate, brakes are over rated anyway...:lol:

I had this problem on my 95. I thought I bled it properly however I was able to make the brake pedal touch the floor with little effort. My only reference was the fact that this was not possible before I started bleeding the brakes. I did ponder the fact the the 95 wsm says about abs actuator nipples and the mine don't have them!

 

I bled it again with no change. Then I decided to rig up a pressure system for the new fluid so I could fly around all the callipers rapidly working the nipples. Lots of tapping the brake lines and callipers too. This made a fair difference - enough that I was able to take it out to bed the pads. After the pads were bedded in the brake pedal firmed up massively, pads flexing slightly on the disc!

 

I've uploaded the 1995 workshop manual if anyone wishes to have it http://www.filedropper.com/1995300zxmanual

Iff Gonzo finds the problem then sticky in Tech FAQ sounds about right as this seems to be a dificult one this.

Are the rear calipers supposed to have brake pads in?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Only joking. I've got a spare few hours tomorrow that I plan to spend on the zeds braking system and of course (assuming Marty doesn't get himself lost out in the sticks) we can spend a good bit of time drinking tea and fault finding on Wednesday

 

and if we still have no joy then it may be a case of biting the bullet and binning the whole ABS completely sooner rather than later

Not sure of this, but may be relevant. I seem to recall reading that during the bleeding process, the systems electronic pump is set running. I think this is achieved by way of a plug n play type unit. I guess that without this, the pump could be fooled the run some other way.

Again, not sure though.

Well im sorry, but you clearly havent studied the WSM properly (oh, there is no 94+ WSM AFAIK)

 

 

Clearly says that the ABS diagnostics uses the dash light. people are trying to help you buy saying that it may not be a bleeding issue and it would be worth considering looking elsewhere for a fault.... otherwise whats the point in asking for help....

 

Looking at the brakes today and a look over the manual again. This is the BR 25 page I am looking at not that one above.

 

Regardless I have no reason to suspect an ABS fault at current was just highlighting that the system if different on a 94+.

We have cracked it!

 

The car is running with Ksports all round so serious braking power.

 

Also ksport callipers have 2 bleed nipples on them. Went round doing the brakes again and it is better but not perfect so looked elsewhere then found this issue.

 

 

The huge braking effort required is causing alot of flex in the master cylinder and servo so had a little bit of adjusting to do on the brace. After putting it back on have got reduced movement and a lot better feel of brakes on the pedal. Just going to tweak it up some more. This is the after video.

 

Edited February 13, 201312 yr by Gonzo12c

So am I right in saying that the 94+ ABS does auto bleed then? Glad you finally cracked it but am surprised that the firewall was flexing that much with a brace in place.

So am I right in saying that the 94+ ABS does auto bleed then? Glad you finally cracked it but am surprised that the firewall was flexing that much with a brace in place.

 

That is a scarey senerio Dave and ime surprised too:confused1:

That is a scarey senerio Dave and ime surprised too:confused1:

 

That's what you get with high performance brake upgrades. All done now though will post final video later. Also the brace wasn't touching hence the movement.

Edited February 13, 201312 yr by Gonzo12c

That's what you get with high performance brake upgrades. All done now though will post final video later. Also the brace wasn't touching hence the movement.

 

Glad you got it sorted...what i cant get my head round is why get bigger brakes if they need more braking effort,thought it was surposed to work the other way round:confused1:

So am I right in saying that the 94+ ABS does auto bleed then? Glad you finally cracked it but am surprised that the firewall was flexing that much with a brace in place.

 

 

It's my Chuck Norris legs that's causing the extra flex of the firewall :biggrin:

 

but big thanks have to go to Marty, this brake issue has been a propper pain in the hoop!

 

and it would appear that the 94+ ABS does in fact self bleed

Glad you got it sorted...what i cant get my head round is why get bigger brakes if they need more braking effort,thought it was surposed to work the other way round:confused1:

 

What I am meaning is its just a much more powerful set up therefore weak point is identified being this flex. That plus the big lever operating the pedal.

Who was it that said to check around the brake booster:whistling:http://www.300zx.co.uk/forums/showthread.php?167208-What-the-frig-is-causing-this