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M35 Info

Brazen

By Brazen,
in Four Door Family & Wagoneers

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nickcorr
nickcorr

Skyline Registrations in Japan: Bodystyle/Engine 3.7 Coupe 2.5 Sedan 3.5 Sedan 3.7 Sedan 3.7 SUV________Total Market cars... 09_____________983_______3,398______20_______860_____1,601_________

andy65b
andy65b

Not a bad result..

And
And

Ok, guys from Moscow approached me today. They have a "demo" version ready, now they need a brave person in Perth who's got a car DVD based Xanai unit (M35 Stagea or Skyline up to 2005). This gotta

Posted Images

Daleo Grand Master

Daleo

Posted
Posted

I'm thinking maybe a problem with a hydraulic accumulator?

There's bound to be one in the system.

If it has lost its charge, the pump will cycle repeatedly to charge the system with pressure.

If it keeps leaking down, the pump cycling on all the time may fault the system.

Just a thought.

impul535w Community Regular

impul535w

Posted
Posted

youre right, the transfer case is only clutches and a chain drive.

the pump is where we have already mentioned. if the pump is gone, its not a cheap exercise. however it might be something easy like the attesa ECU or a relay etc.

you can hear the pump start when you start the engine. if you dont, then its something related to that.

have you checked the fluid level in the boot??

Well ill put it this way - if i jam my foot on the gas it hooks up and goes but then it feels like it slips back to RWD but i could be wrong as i have never driven another.

I was thinking the Altessa computer or one of the relays near by but i would need to borrow someones working one to do that... any takers?

The electric motors next to the pump would be my next bet but again it would be a matter of borrowing someones to try or borrowing a spare.

Fluid levels are all good.

zei20l Grand Master

zei20l

Posted
Posted

if youre prepared to give me a refundable deposit.

we can take this to PM.

also, dale is this the part youre talking about?

http://www.ebay.com.au/itm/Nissan-Skyline-R32-GTR-Rear-Attesa-Valve-49836-01U00-/360299226352?pt=AU_Car_Parts_Accessories&hash=item53e381e4f0

impul535w Community Regular

impul535w

Posted
Posted

if youre prepared to give me a refundable deposit.

we can take this to PM.

also, dale is this the part youre talking about?

http://www.ebay.com....=item53e381e4f0

This may sound like a silly question but would the car still engage the front wheels if the pump was the problem?

zei20l Grand Master

zei20l

Posted
Posted

not properly. it wouldnt be able to engage the clutches to tranfer the torque forward as there would be no fluid pressure.

maybe there isnt enough pressure in yours or maybe too much

as mentioned, might be air in the system

impul535w Community Regular

impul535w

Posted
Posted

not properly. it wouldnt be able to engage the clutches to tranfer the torque forward as there would be no fluid pressure.

maybe there isnt enough pressure in yours or maybe too much

as mentioned, might be air in the system

While being complied they bled the system multiple times, if i were to give it a crack in the drive way how would i go about it?

Also this would not explain why the gauge is non operational.

Mike.

zei20l Grand Master

zei20l

Posted
Posted

apparently there is a plug next to the consult plug that runs the attesa pump so you can bleed it from all the points.

youll need a hoist and someone in the car to connect it up

as for the gauge, maybe it just doesnt work?

impul535w Community Regular

impul535w

Posted
Posted

apparently there is a plug next to the consult plug that runs the attesa pump so you can bleed it from all the points.

youll need a hoist and someone in the car to connect it up

as for the gauge, maybe it just doesnt work?

If anyone has any pointers on how to bleed the altessa on an M35 please feel free to post it up here, that way I can have a crack on the weekend.

I'm hoping the gauge problem is the same as the 4WD light but you are right, it may just not work.

impul535w Community Regular

impul535w

Posted
Posted

I'm thinking maybe a problem with a hydraulic accumulator?

There's bound to be one in the system.

If it has lost its charge, the pump will cycle repeatedly to charge the system with pressure.

If it keeps leaking down, the pump cycling on all the time may fault the system.

Just a thought.

Just to touch on the pump, can anyone tell me if the pump cycles upon start up the same as a GTR? my car has been at Morpowa this morning and as the car is a bit obscure he was unsure if the pump cycles or not as this one did not.

Cheers.

Daleo Grand Master

Daleo

Posted
Posted

Just to touch on the pump, can anyone tell me if the pump cycles upon start up the same as a GTR? my car has been at Morpowa this morning and as the car is a bit obscure he was unsure if the pump cycles or not as this one did not.

Cheers.

Yep, cycles to build pressure, then stops. That's why I was on about an accumulator; it has all the hallmarks of that kind of issue.

I don't know where it would be; I've never even pulled the cover off mine. But if there is one, it will be a steel canister after the pump, normally with a check valve between the two.

impul535w Community Regular

impul535w

Posted
Posted

Yep, cycles to build pressure, then stops. That's why I was on about an accumulator; it has all the hallmarks of that kind of issue.

I don't know where it would be; I've never even pulled the cover off mine. But if there is one, it will be a steel canister after the pump, normally with a check valve between the two.

Excuse my ignorance but if it was this 'accumulator' why would it stop the pump from cycling if it is after the pump its self?

Simon @ Morpowa is on the hunt for more of an electrical fault but i will advise him of this as anything would help at this stage, just waiting for a wiring diagram before we go round 2 otherwise we will be wasting time.

He found a relay at the front of the car near the air cleaner that has something to do with the Altessa that seems to not be gettin power, we are also looking into this but with out the wiring diagram its quite slow.

Cheers.

Daleo Grand Master

Daleo

Posted
Posted

Excuse my ignorance but if it was this 'accumulator' why would it stop the pump from cycling if it is after the pump its self?

Simon @ Morpowa is on the hunt for more of an electrical fault but i will advise him of this as anything would help at this stage, just waiting for a wiring diagram before we go round 2 otherwise we will be wasting time.

He found a relay at the front of the car near the air cleaner that has something to do with the Altessa that seems to not be gettin power, we are also looking into this but with out the wiring diagram its quite slow.

Cheers.

It would only be this if it were running constantly, or cycling on & off rapidly & then going into fault. I was under the impression the pump was actually running; if it's not , you're on the right track looking for an electrical fault.

Best of luck, wasn't my intention to lead you in the wrong direction.

Cheers, Dale

impul535w Community Regular

impul535w

Posted
Posted

It would only be this if it were running constantly, or cycling on & off rapidly & then going into fault. I was under the impression the pump was actually running; if it's not , you're on the right track looking for an electrical fault.

Best of luck, wasn't my intention to lead you in the wrong direction.

Cheers, Dale

That's cool Dale, the more things it isn't the closer we get to what it is, but it is looking very electrical ATM, just need some parts to be able to swap and check.

Cheers, Mike.

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