My mitsubishi pajero won't engage or disengage from 4wd

Check the super select solenoids. I had the same problem with my pajero/montero io, when I released 4WD from 4H to 2H the two front wheels lights started flashing. They stopped flashing and was solid on when I re-engaged the 4WD (2H to 4H).

My problem was a failure in the 2H solenoid, it was not producing enough vacuum. The problem was intermitent at the begining and then was permanent.

I checked the solenoids in this way:
1) The solenoid that receives the vacuum in the botton is for 2H
2) The solenoid that receives the vacuum in the top is for 4H
3) Both solenoids operate in the same way, they only change in the way they transfering vacuum from top/botton to the exit pipe (2H or 4H). The difference is that one has the vacuum input on the top and the another one in the botton.
4) The default position when you disconnect the electronics is 4WD
5) Try disconnecting the electronics and switching the output pipe between the solenoids. This will put the solenoids on 4WD position and you changed the pipes, so the 4WD should disengage.

4WD should disengage if your 4H solenoid is OK, the ligths should now flash when you change from 2H to 4H because 4WD cannot engage because the pipes are switched. You can also check the vacuum of each solenoid with your finger on each one.

If this doesn't work, try to bypass the solenoids and connect the input vacuum hose to the 2H output pipe. If the lights doesn't turn off in 2H mode it's posible that you have different problem.

Also check this address: http://4wd.blogeasy.com/article.view.run?articleID=318776

Good luck.

Anonymous

2 Answers
Posted on Apr 28, 2010

SOURCE: why are the four wheel dash light on in my

shift the 4wd shift to the disengaged position. If the lights still stay on the 4WD may be sticking. when i engage my 4WD if i stop the vehicle immediaetly after the lights will stay on when I switch on the ignition next time. however on starting and moving off after a few seconds they come off.

Anonymous

10 Answers
Posted on Aug 16, 2011

SOURCE: I have a 1998 glx

It depends on how long it flashes for, when you select 2wd try and drive for a bit at slow speed and the light should stop. This is normal. If it is still flashing when you are driving then it may not be changing correctly, this could be a number of things but I would recommend you get a pro to check it out as the transfer case is very expensive to replace.

Anonymous

9 Answers
Posted on Sep 18, 2011

SOURCE: The orange light in the center (lock) keeps

Pajeros have a air operated solenoid to disengage/engage the front hubs and centre diff lock. the solenoids themselves can stick if aged. to replace them is about $200 each (two or more of them). I found thata bit of WD40/ CRC soaking inside the airhoses and solenoides and enagge/disengage action of the hubs frees it up again. Do this while stationery in neutral and motor running. The solenoids are located inside the engine bay just behind the drivers side headlight. They will have some black rubber air tubes in/out of them. When you engage/disengage you should hear a little whirring and slight clunk and the hub locks/unlocks. If very aged, you may need to move the car forward/backward for the hub locking mechanisim to find its opening. Once disengaged, the orange light should go out. The aftermarket workshop manual by Max Ellery fully describes this process and is about $30 ON eBAY.

Answer 3 · 1/10/2009 12:00:00 AM

Anonymous

1 Answer
Posted on Jan 10, 2009

SOURCE: mitsubishi delicia 2.6 td (shogun

Check the super select solenoids. I had the same problem with my pajero/montero io, when I released 4WD from 4H to 2H the two front wheels lights started flashing. They stopped flashing and was solid on when I re-engaged the 4WD (2H to 4H).

My problem was a failure in the 2H solenoid, it was not producing enough vacuum. The problem was intermitent at the begining and then was permanent.

I checked the solenoids in this way:
1) The solenoid that receives the vacuum in the botton is for 2H
2) The solenoid that receives the vacuum in the top is for 4H
3) Both solenoids operate in the same way, they only change in the way they transfering vacuum from top/botton to the exit pipe (2H or 4H). The difference is that one has the vacuum input on the top and the another one in the botton.
4) The default position when you disconnect the electronics is 4WD
5) Try disconnecting the electronics and switching the output pipe between the solenoids. This will put the solenoids on 4WD position and you changed the pipes, so the 4WD should disengage.

4WD should disengage if your 4H solenoid is OK, the ligths should now flash when you change from 2H to 4H because 4WD cannot engage because the pipes are switched. You can also check the vacuum of each solenoid with your finger on each one.

If this doesn't work, try to bypass the solenoids and connect the input vacuum hose to the 2H output pipe. If the lights doesn't turn off in 2H mode it's posible that you have different problem.

Also check this address: http://4wd.blogeasy.com/article.view.run?articleID=318776

Good luck.

Answer 4 · 4/28/2010 12:00:00 AM

Anonymous

2 Answers
Posted on Apr 28, 2010

SOURCE: why are the four wheel dash light on in my

shift the 4wd shift to the disengaged position. If the lights still stay on the 4WD may be sticking. when i engage my 4WD if i stop the vehicle immediaetly after the lights will stay on when I switch on the ignition next time. however on starting and moving off after a few seconds they come off.

Answer 5 · 8/16/2011 12:00:00 AM

Anonymous

10 Answers
Posted on Aug 16, 2011

SOURCE: I have a 1998 glx

It depends on how long it flashes for, when you select 2wd try and drive for a bit at slow speed and the light should stop. This is normal. If it is still flashing when you are driving then it may not be changing correctly, this could be a number of things but I would recommend you get a pro to check it out as the transfer case is very expensive to replace.

Answer 6 · 9/18/2011 12:00:00 AM

Anonymous

9 Answers
Posted on Sep 18, 2011

SOURCE: The orange light in the center (lock) keeps

Pajeros have a air operated solenoid to disengage/engage the front hubs and centre diff lock. the solenoids themselves can stick if aged. to replace them is about $200 each (two or more of them). I found thata bit of WD40/ CRC soaking inside the airhoses and solenoides and enagge/disengage action of the hubs frees it up again. Do this while stationery in neutral and motor running. The solenoids are located inside the engine bay just behind the drivers side headlight. They will have some black rubber air tubes in/out of them. When you engage/disengage you should hear a little whirring and slight clunk and the hub locks/unlocks. If very aged, you may need to move the car forward/backward for the hub locking mechanisim to find its opening. Once disengaged, the orange light should go out. The aftermarket workshop manual by Max Ellery fully describes this process and is about $30 ON eBAY.

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