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What does it mean when the 4x4 light flashes
https://auszookers.com/forum/viewtopic.php?f=5&t=32912		 Page 1 of 1
Author:  stompy812 [ Sun May 27, 2012 1:57 pm ]
Post subject:  What does it mean when the 4x4 light flashes
Hey guys when I was 4x4ing my Suzuki Jimny 2001 model I tired to change into 4x4 drive and all the light does is flash and my 4x4 doesn't Engagge?
Author:  BlueSuzy [ Sun May 27, 2012 1:58 pm ]
Post subject:  Re: What does it mean when the 4x4 light flashes
Could be a vaccum solinoid problem?
Author:  zooky08 [ Sun May 27, 2012 1:59 pm ]
Post subject:  Re: What does it mean when the 4x4 light flashes
Like bluesuzy said, or vacuum hubs aint working
Also check if your lines Havnt come off
Author:  jonno_racing [ Sun May 27, 2012 4:11 pm ]
Post subject:  Re: What does it mean when the 4x4 light flashes
mine flashes now I have manual hubs, any one know how to stop it flashing?
Author:  zooky08 [ Sun May 27, 2012 4:13 pm ]
Post subject:  Re: What does it mean when the 4x4 light flashes
jonno_racing wrote:
mine flashes now I have manual hubs, any one know how to stop it flashing?

Yep pull hard lines off diff and block rubber tubes
Author:  twitchy [ Sun May 27, 2012 7:50 pm ]
Post subject:  Re: What does it mean when the 4x4 light flashes
So this would be the same for a GV??????????
Author:  fordem [ Mon May 28, 2012 1:18 am ]
Post subject:  Re: What does it mean when the 4x4 light flashes
Nope - the GV doesn't have a vacuum operated front free wheel system - which of the GVs do you have?

First generation GVs (98~05) use a positive pressure (vacuum is negative or the absence of pressure) free wheel system, a flashing light is usually caused by an air leak in the system, second generation GVs (06~) have an electrically shifted transfer case (if fitted with the four mode 4WD) and a flashing light indicates the actuator(s) and the switch are not in sync (or at least the controller thinks they are not), it can be caused by broken wires and defective switches..
Author:  Scales [ Mon May 28, 2012 9:10 am ]
Post subject:  Re: What does it mean when the 4x4 light flashes
jonno_racing wrote:
mine flashes now I have manual hubs, any one know how to stop it flashing?


I took the lines off just back from the diff, where the solid vac lines goto a t-piece to each hub. cut the tip off some golf tees, shoved em in as far as i could with a screwdriver, and reconnected em. that way you only have to block 2 lines, not 4
Author:  bailey08 [ Mon May 28, 2012 9:23 am ]
Post subject:  Re: What does it mean when the 4x4 light flashes
twitchy wrote:
So this would be the same for a GV??????????


mine did this, 4x4 worked still but I found a tutorial on how to fix, can't remember where, it may have been on here, mine had a rusty valve in the pump, everytime the pump cycled the light would flash. now that I cleaned the rusty valve it holds pressure and doesn't cycle.

very easy job to do.
Author:  twitchy [ Mon May 28, 2012 3:39 pm ]
Post subject:  Re: What does it mean when the 4x4 light flashes
2000 model GV, flashes all the time & it's a piss off.
Author:  Bugsta [ Mon May 28, 2012 5:47 pm ]
Post subject:  Re: What does it mean when the 4x4 light flashes
stompy812 wrote:
Hey guys when I was 4x4ing my Suzuki Jimny 2001 model I tired to change into 4x4 drive and all the light does is flash and my 4x4 doesn't Engagge?

Its going in and out of 4 wheel. This is what you call part time 4WD :rofl:
Author:  fordem [ Tue May 29, 2012 5:05 am ]
Post subject:  Re: What does it mean when the 4x4 light flashes
twitchy wrote:
2000 model GV, flashes all the time & it's a piss off.


Rapid flash - 1 sec on/1 sec off type thing - or occasional wink out - 30 sec on/1 sec off ?

Either way you probably have an air leak, the light winks out every time the pump turns on, so the more frequent the flash, the bigger the leak is.

Look behind the front bumper and find the pump - disconnect the output hose (the one that leads back along the frame rail to the crossmember) and plug the outlet, and observe the light, if it stays on your leak is downstream from where you plugged it, work your way back through the hoses to the diff connector - if you don't find a leaky hose, the actuator in the diff may have failed..

If it continues to flash with the pump outlet plugged, the problem will be in the pump itself - it may or may not be repairable - there is a pictorial teardown in the good tech section, if you want to have a go at fixing it.
Author:  twitchy [ Tue May 29, 2012 5:25 am ]
Post subject:  Re: What does it mean when the 4x4 light flashes
fordem wrote:
twitchy wrote:
2000 model GV, flashes all the time & it's a piss off.


Rapid flash - 1 sec on/1 sec off type thing - or occasional wink out - 30 sec on/1 sec off ?

Either way you probably have an air leak, the light winks out every time the pump turns on, so the more frequent the flash, the bigger the leak is.

Look behind the front bumper and find the pump - disconnect the output hose (the one that leads back along the frame rail to the crossmember) and plug the outlet, and observe the light, if it stays on your leak is downstream from where you plugged it, work your way back through the hoses to the diff connector - if you don't find a leaky hose, the actuator in the diff may have failed..

If it continues to flash with the pump outlet plugged, the problem will be in the pump itself - it may or may not be repairable - there is a pictorial teardown in the good tech section, if you want to have a go at fixing it.


Thanks champ, that'll be part of this weekends fun!!
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