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A place for more technical discussions. Please make sure you post in the correct section on the site, this way it keeps the site tidy AND ensures you get a more relevant answer.
4WD syst - no "CLACK CLACK" from my HUBS
01 Feb 2013 09:27 #60513
by Laminak
4WD syst - no "CLACK CLACK" from my HUBS was created by Laminak
Hi all 
I have a problem too with my 4WD system
I change all my caoutchouc vacuum hoses by silicon hoses.
One of pipe was blocked. I freed it (is it correct
).
All my servo-valve are ok and I have no flashing light
My vacuum intake operates (jimny 2001)
But I have no "clack clack" from my hub
.
Do you think that I have leak in my vacuum pipes or my vacuum Hubs???
Perhaps , I have a leak on the lip-seal track from my hubs
lip-seal track from my hubs
I make a better picture later
What do you think about some ideas ???
Heeeeeelp
I have a problem too with my 4WD system
I change all my caoutchouc vacuum hoses by silicon hoses.
One of pipe was blocked. I freed it (is it correct
).All my servo-valve are ok and I have no flashing light
My vacuum intake operates (jimny 2001)
But I have no "clack clack" from my hub
.Do you think that I have leak in my vacuum pipes or my vacuum Hubs???
Perhaps , I have a leak on the lip-seal track from my hubs
lip-seal track from my hubs
I make a better picture later
What do you think about some ideas ???
- increase the vacuum to compensate the leak
- invert the system and using pressure to close my hubs
- repair the track
Heeeeeelp
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01 Feb 2013 10:54 #60522
by GuardianAngel
Getting sucked off
Replied by GuardianAngel on topic Re: Re: 4WD syst - no "CLACK CLACK" from my HUBS
markyp2000 wrote: Make shore you have the pipes the right way round ie is it sucking them off instead of sucking them on
Getting sucked off
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01 Feb 2013 11:26 #60524
by JivingDaddy
Far too many of these on this site.
Replied by JivingDaddy on topic Re: Re: 4WD syst - no "CLACK CLACK" from my HUBS
Far too many of these on this site.
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01 Feb 2013 11:28 #60525
by Laminak
Replied by Laminak on topic Re: Re: 4WD syst - no "CLACK CLACK" from my HUBS
I use a vacuum pump tool to test my pipes to suck. But it is getting sucked off
But, when I use a pressure my hubs operate. The pressure is higher than the vacuum pressure and then make operate my hub
. It is for that I think I have a leak to my hubs
But, when I use a pressure my hubs operate. The pressure is higher than the vacuum pressure and then make operate my hub
. It is for that I think I have a leak to my hubs Please Log in or Create an account to join the conversation.
02 Feb 2013 12:30 #60648
by facade
If it suddenly breaks, go back to the last thing that you did before it broke and start looking there
Replied by facade on topic 4WD syst - no "CLACK CLACK" from my HUBS
Check the wheel bearings.
If the bearing is worn there will be a vacuum leak that stops the hub releasing.
It will release if you blow down the other pipe.
The hubs work because of atmospheric pressure entering the pipe that doesn't have vacuum applied, so blowing into a pipe will operate the hub in the reverse sense.
you should be able to pull a vacuum on each spigot pipe, and it should stay for a few seconds.
If the bearing is worn there will be a vacuum leak that stops the hub releasing.
It will release if you blow down the other pipe.
The hubs work because of atmospheric pressure entering the pipe that doesn't have vacuum applied, so blowing into a pipe will operate the hub in the reverse sense.
you should be able to pull a vacuum on each spigot pipe, and it should stay for a few seconds.
If it suddenly breaks, go back to the last thing that you did before it broke and start looking there
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03 Feb 2013 12:59 - 03 Feb 2013 13:12 #60753
by Laminak
Replied by Laminak on topic 4WD syst - no "CLACK CLACK" from my HUBS
I put myself questions…
I say myself “that will not return… what is fall in default !!! â€.
I have changed the servo-valve, replaced my African hubs
… and my old hose connections by silicon hose … It is necessary that I must find this leak… And it is not sure that the repair is efficient .
Would it be more judicious to put manual hubs and what can I fit ???
Quid???
I say myself “that will not return… what is fall in default !!!
â€.I have changed the servo-valve, replaced my African hubs
… and my old hose connections by silicon hose … It is necessary that I must find this leak… And it is not sure that the repair is efficient .Would it be more judicious to put manual hubs and what can I fit ???
- hubs from AVM,
- hubs AINSIN of Sj/Vitara + spacer
Quid???
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