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Another 4x4 Vacuum question, apologies in advance

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12 Jan 2019 00:00 #200537 by Scimike
As far as I am aware no kits exist for this pipework other than factory replacement (£170 ish), hence why I intend to make my own out of brakepipe. Some have just replaced with flexible hose and plastic T connectors and it works, I did see a link to some pipe on another topic, I will try and find this.

Re the lack of flashing light.. I am not sure of the order of events when you select 4WD, but from what I have seen written so far the transfer box appears sends a signal to the controller when it has engaged in 4WD. At this point it is possible the vacuum system starts its cycle, or maybe they both start together, its not clear. The drop in rpm indicates that it is attempting to move the hubs. Whats not clear is what happens to the light if the transfer box signals are incorrect / in combination with a large vacuum leak. Well not clear to me at this time!!
I would just bridge the known leak with a sort section of flexible pipe and see if thing improve, hopefully they will.

It may be possible you have a damaged connector or electrical connection on the transfer box, more so as things may have been moved during the clutch work. Worth checking these connections but not much more at this stage.

Mike

Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)

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12 Jan 2019 00:08 #200539 by Scimike
Just had a look and this was a possible source for the pipe.

www.demon-tweeks.com/uk/samco-silicone-v...dard-colours-247869/

Not going this route myself or used it, but its a start.

Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)

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12 Jan 2019 06:14 #200547 by Max Headroom

Scimike wrote: Just had a look and this was a possible source for the pipe.

www.demon-tweeks.com/uk/samco-silicone-v...dard-colours-247869/


Anyone know what would be the correct bore size for that pipe?


IF IT AINT BROKE, KEEP FIXING IT UNTIL IT IS

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12 Jan 2019 06:23 #200549 by Lambert
Not definitely but I'd probably get the 3mm internal and use a little liquid soap to help if it was snug. Certainly the ports on the knuckles are about that size.

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12 Jan 2019 08:06 - 12 Jan 2019 08:08 #200553 by Riccy
pop into a local hydraulic hose specialist or engineering supplies (In Carlisle we have System Hydraulics, Hayley, Tohmas Grahams, etc.) Most cities will have loads of places that sell this tubing and all the fittings for it. Ebay or Amazon will also sell it, but a local supplier will be able to show you the bits fit before parting with your cash! This sort of tubing is normally used for air operated wotzits in production lines (airline basically). It can handle some pretty impressive pressures so ideal for a basic vac line.

From the hubs i have found that the 6mm (outside diameter) is a snug fit onto the hub connectors and is pretty similar to the size suzuki used in the first place.

I think you would need about 5mtrs of pipe and a couple of 'T' splitters. Should be less than £15 from above suppliers.

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Last edit: 12 Jan 2019 08:08 by Riccy.
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