4wd Light flashing while engaged

Engines, Gearboxes, Transfers, Tailshafts, Diffs, axles and CVs

Re: 4wd Light flashing while engaged

Postby waterrat70 on Sun Jun 29, 2014 7:21 pm

My ml is doing the same thing, took it to mitsubishi and it is two switches, having mine replaced this thursday.may have to replace the front axle sensor as well.
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Re: 4wd Light flashing while engaged

Postby djovner on Wed Jul 09, 2014 5:13 pm

Mine did it to I found that the vacuum tube right by the actuator was broken. Just cut the end of and reattach :D
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Re: 4wd Light flashing while engaged

Postby variflex on Sat Jul 19, 2014 9:41 am

I replaced the rubber cap on the vacuum tube this morning, it was incredible how much the original cap had swollen in comparison to the new cap,
Anywho here's the part number if anyone is after it.
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Re: 4wd Light flashing while engaged

Postby triton_guru on Wed Jul 30, 2014 7:51 pm

Done a water crossing flashing like has stopped ;P
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Re: 4wd Light flashing while engaged

Postby ICU89 on Wed Nov 19, 2014 3:31 pm

Quick question has anyone experienced hard power steering when the solenoids have failed as well or this could just be unlucky timing both have issues??
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Re: 4wd Light flashing while engaged

Postby grox on Wed Nov 19, 2014 6:50 pm

Your default is 4wd if you lose vacuum so since solonoids failed front diff is engaged it will be a bit firmer or harder to steer cause it's in 4wd.
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Re: 4wd Light flashing while engaged

Postby ICU89 on Wed Nov 19, 2014 7:04 pm

Yeah ok thanks heaps I will get these ordered and chuck them in and see how the power steering goes I hope it fixes that as well like you said and I don't have any other issues :)
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Re: 4wd Light flashing while engaged

Postby Snooozy on Wed Nov 19, 2014 9:43 pm

I would not be driving it on sealed roads until the issue is solved.

It can cause severe damage to the drivetrain
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Re: 4wd Light flashing while engaged

Postby wheato27 on Thu Mar 12, 2015 5:56 am

Sorry if this has been covered but it seems no body has had the sane type of symptoms as me.

My issue started as the flashing light while in 2wd but that stopped some time ago. I rarely use 4wd mode and it may have been 6 months since last using it now I can't select 4wd mode. If I put it into 4H the light won't even register but if I go 4L the light will flash. I disconnected the lines on the vaccume solenoids and ran the car then out them back on and the 4wd system seemed to work correctly again. I was only going up and down the driveway testing it but this was short lived when I had to muck around to get it out of 4wd. Then after restarting the car again it was back to the original issue of not selecting 4wd. Also you can't physically select 4h while moving it almost starts to crunch.

So after reading how the system works would I be right in leaning towards the solenoid on the front diff over the vac solenoids in wheel arch? As it doesn't want to select 4wd at all?

Cheers
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Re: 4wd Light flashing while engaged

Postby variflex on Thu Mar 12, 2015 11:11 am

Sounds like a simple vacuum leak, remove and refit the little rubber cap on the vacuum line, should be a temporary fix, the cap is found up the top of the firewall behind the rocker cover area,
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Re: 4wd Light flashing while engaged

Postby wheato27 on Thu Mar 12, 2015 11:22 am

I was starting to think that but have checked all the lines and that cap is in perfect condition. I can get the two new solenoids for $110 so i think I'm going to start there.. :S
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Re: 4wd Light flashing while engaged

Postby variflex on Thu Mar 12, 2015 1:56 pm

Give the cap a clean and refit just to see what happens,
my previous cap appeared to be good aswell until i compared it to a new one,
for the sake of a minutes work it will rule it out or not,
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Re: 4wd Light flashing while engaged

Postby wheato27 on Fri Mar 13, 2015 11:58 am

New solenoids fixed it ;) very happy man right now
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Re: 4wd Light flashing while engaged

Postby jamesdenelzen on Mon Mar 16, 2015 7:34 am

Could some one please take a photo or explain where the vacuum cap is, my 4x4 light is flashing. I have read this whole post and still unable to find exactly where it is. Thanks
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Re: 4wd Light flashing while engaged

Postby variflex on Mon Mar 16, 2015 11:34 am

The photo below shows the general area in the red square, cannot see it properly and you will need to go by feel,

The other photo is the rubber cap.
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Re: 4wd Light flashing while engaged

Postby jamesdenelzen on Mon Mar 16, 2015 11:43 am

Thanks for the photo's will have a look tonight, hopefully this is what's causing the problem.
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Re: 4wd Light flashing while engaged

Postby jamesdenelzen on Wed Mar 18, 2015 4:55 pm

Check the plugs still no luck, it started after a service, then went away and only come back after I washed the car on the weekend? I'm pretty sure it is in 2wd and does engage to 4x4 just through feel. Anyone have some ideas ? Much appreciated
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Re: 4wd Light flashing while engaged

Postby kxboss on Wed Mar 18, 2015 6:47 pm

ECK TYRE PRESSURES USED TO HAPPPEN ON MY OLD CHALLENGER 4X4 WOULD FLASH THAT IT WAS IN 4WD Bloody caps loxk sorry
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Re: 4wd Light flashing while engaged

Postby coughy on Wed Mar 18, 2015 6:59 pm

u need to see if the arm is moving on the diff
remove covers and lay under car get a second person to engage the 4wd lever and you should see the arm pull out of the front diff if it does then you are on the good path i might just be the switch in the diff housing and not activating or a broken wire to it check them as well
if need more help i will find a picky and a write up of it..
Read this First ;) ;)Then still cant find what you are after
Use this Second ;) ;)Then still no Joy Go Here
Look in this thread 8-) 8-)
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Re: 4wd Light flashing while engaged

Postby Snooozy on Wed Mar 18, 2015 9:13 pm

coughy wrote:u need to see if the arm is moving on the diff
remove covers and lay under car get a second person to engage the 4wd lever and you should see the arm pull out of the front diff if it does then you are on the good path i might just be the switch in the diff housing and not activating or a broken wire to it check them as well
if need more help i will find a picky and a write up of it..

don't forget, the engine needs to be running so there is vacuum to work the solenoids
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Re: 4wd Light flashing while engaged

Postby coughy on Wed Mar 18, 2015 9:20 pm

;)
Read this First ;) ;)Then still cant find what you are after
Use this Second ;) ;)Then still no Joy Go Here
Look in this thread 8-) 8-)
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Re: 4wd Light flashing while engaged

Postby The Finch on Fri May 22, 2015 10:48 am

Well there you go, after owning my 2006 ML for 7 years this is the 1st problem ive had.
4WD not engaging and no light on dash, then light flashing in 4WD low.
Thanks to you guys/gals on NewTriton Ive got somewhere to start looking.
Pity I had to get towed out of situation by a Hilux. :shock:
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Re: 4wd Light flashing while engaged

Postby coughy on Fri May 22, 2015 5:01 pm

wash that filth out of your mouth young man
Read this First ;) ;)Then still cant find what you are after
Use this Second ;) ;)Then still no Joy Go Here
Look in this thread 8-) 8-)
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Re: 4wd Light flashing while engaged

Postby Cowboy Dave on Fri May 22, 2015 5:34 pm

I'm not sure any amount of washing is going to remove that stain....
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Re: 4wd Light flashing while engaged

Postby leeroy12 on Wed Jul 01, 2015 9:58 am

Hey guys, quick question on this as I've had the flashing when first starting and then the 4x4 lights goes out as soon as the engine starts and vacuum is back.
Question is, if it's running and in 2wd, jacked the front wheels off the ground, should the CVs still rotate with the wheel? The front tail shaft doesn't rotate. 2007ML.
Cheers
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