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Boris Siljanoski
Goo Roo
Western Australia
LS400 + Soarer.

Posts: 1243
Reg: 11-2007

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Saturday, December 04, 2010 - 06:22 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hello,

I have a UCF10 Celsior, and I'm getting TRC Error 19 - which is pump cycling too many times, i take it the gas has leaked out of the accumulator and it needs re gassing.

I haven't been able to get much information on how to go about this. I've been told they just unscrew using an oil filter wrench or similar, but it doesn't look that way on the Celsior. Mine has 2 Lines attached to it.

My accumulator is located on the passengers side, away from the master cylinder. One is a hardline that goes to the back of the accumulator, and goes all the way from there to the ABS unit.

The other one is a rubber line like brake hose that goes under the accumulator and connects to it, it seems to come from the pump which is next to it and goto the accumulator.

The accumulator itself has 2 valves which look to be like charging ports, one is a valve covered by a red boot at the back, and the other one is a valve or port covered by a black boot on the side of it.

From what I've read they can be removed by hitting the brake 50 times and then unscrewing it, but that might be for Soarers. On the celsior it's different, you have to remove those 2 lines, wouldn't the gas all just flow out?

Does it have to be regassed while on the car? as removing it will just empty all the gas out?

Thanks.
Dave Rose
Goo Roo
wa
uzz31 v8

Posts: 1420
Reg: 03-2007

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Sunday, December 05, 2010 - 10:50 am, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

The gas stays behind the piston
Upload
Boris Siljanoski
Goo Roo
Western Australia
LS400 + Soarer.

Posts: 1249
Reg: 11-2007

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Sunday, December 05, 2010 - 03:42 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Is that the diagram for the Soarer or Celsior Dave.

The Celsior one is different, it does not screw on and it is not near the master cylinder but at the other side of the car.

It is clamped down to the body and has 2 lines attached to it, one that seems to be coming from the pump, and one that goes from the Canister to one of the ABS Units near the Air Filter.

I know on the Soarer it is to assist with the master cylinder, but on the Celsior it goes to the ABS Unit, so I have no idea about how to go about removing or getting it regassed/rebuilt?

Anyone had theirs regassed/rebuilt in their LS400/Celsior?

Dave Rose
Goo Roo
wa
uzz31 v8

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Sunday, December 05, 2010 - 10:21 pm, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Its for a Soarer Boris , i see what you mean ..But i still think they feed and return fluid pipes? i have a us w/shop manual on disk somewere so best not to undo any thing just yet .
Let me see if i can find some info.
Boris Siljanoski
Goo Roo
Western Australia
LS400 + Soarer.

Posts: 1254
Reg: 11-2007

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Sunday, December 05, 2010 - 10:33 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks for that,

I've looked for a return pipe for the nitrogen, I don't think I can see one, the bay is a bit crowded though.

It goes :

Pump----Accumulator-------------------------- TRC Unit.

Yeah it would be good if you can get some information from the manual, I'm pretty sure the US LS400's had Traction control as an option..... It should give some information on it.

I've also got that "Bird Chirp" type of noise on engine startup sometimes that Aristo owners talk about.... no idea what's causing it but it happened at the time that the TRC light began to stay on showing error 19.
Dave Rose
Goo Roo
wa
uzz31 v8

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Sunday, December 05, 2010 - 11:16 pm, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Ok think i have found it ,
Upload
There is a lot of info for this i will have to sort it out and put it up tomorrow.
Dave Hart
Goo Roo
Waikato
UZZ32

Posts: 1574
Reg: 08-2005

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Monday, December 06, 2010 - 07:21 am, by:  Dave Hart (Davyboy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

That 'bird chirp' noise is what you get when the accumulator has lost its effective N2 pressure.
Dave Rose
Goo Roo
wa
uzz31 v8

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Monday, December 06, 2010 - 10:40 am, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Boris email me and i will send the rest full size.
also Dave what item makes the chirp ?
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Boris Siljanoski
Goo Roo
Western Australia
LS400 + Soarer.

Posts: 1255
Reg: 11-2007

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Monday, December 06, 2010 - 04:17 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah I've never ever found out what makes the bird chirp, I would be thinking that on the Celsior it would come from the passengers side, but it seems to be coming directly from the dashboard.

I've never found out what causes the bird chirp, I just know it happens when the canister is low on gas

Is it a mechanical part that makes it or is there a chime or something?

Dave I'll email you, hopefully there should be some info on regas procedures, then I'll have to find somebody who has the correct hose/adapter to regas it.
Dave Hart
Goo Roo
Waikato
UZZ32

Posts: 1575
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Monday, December 06, 2010 - 06:45 pm, by:  Dave Hart (Davyboy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I always thought it was the piston moving up/down.
Normally, in a fully charged unit, there's very little pressure differential across the piston but when the nitrogen has decayed I'm not so sure.
Also, Dave, in your first diagram, I think they have the piston and cylinder indications pointing to the wrong places.
Dave Rose
Goo Roo
wa
uzz31 v8

Posts: 1427
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Monday, December 06, 2010 - 08:30 pm, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I see what you mean Dave , but its the pumps piston and cylinder, never thought of marking the accomulator,it was sent from JP (Katsuji)
That noise I have heard it on other Soarers and it sounds to me like it a bad elec relay contacks sort of arking for a split second.
heres a thought Dave, if the n2 is leaking past the piston o rings then it must mixing with the brake fluid he he ..your thoughts ??
Boris Siljanoski
Goo Roo
Western Australia
LS400 + Soarer.

Posts: 1257
Reg: 11-2007

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Tuesday, December 07, 2010 - 12:48 am, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I thought the pump/accumulator does not have any brake fluid? or wait are we talking Soarer here.

I don't know how it works on the soarer, is it screwed directly into the master cylinder the accumulator?

As for that noise it doesn't sound like something electrical to me..... Maybe the pump might be making the noise but I can hear it like it's in the car.

I read those service instructions that you emailed me Dave, but no information about low nitrogen charge, or specs for re gassing.

Dave Rose
Goo Roo
wa
uzz31 v8

Posts: 1431
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Tuesday, December 07, 2010 - 10:23 am, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Try to think of the accumulator as having a coiled spring not N2..switch on and the pump fills the accumulator pushing the piston back and compressing the spring , if you removing the accumulator now the spring would push out the fluid at HP
James Walker
TryHard
VIC
V8

Posts: 169
Reg: 12-2008

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Tuesday, December 07, 2010 - 07:19 pm, by:  James Walker (Jimmywalker) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

so does any1one gas them? I need mine done to, I had to open my bonnet kept thinking a cat was stuck under there when It first started
Mario Lentini
TryHard
Queensland
UZZ32 V8

Posts: 181
Reg: 07-2005

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Tuesday, December 14, 2010 - 10:00 pm, by:  Mario Lentini (Lexus94) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

The Soarer accumulator can be re-gas and the only guy i know that does them is Peter Taplin in Vic , I would be getting in touch with him .
Boris Siljanoski
Goo Roo
Western Australia
LS400 + Soarer.

Posts: 1272
Reg: 11-2007

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Wednesday, December 15, 2010 - 07:08 pm, by:  Boris Siljanoski (Z2tt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I'm going to have a go at removing mine, hopefully Peter can do the Celsior ones and all is good after that with no errors.

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