Question about 2005 Mitsubishi Montero

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4x4 trying to engage

I have a 2005 Mits Montero/Pajero (US Model). When decelerating and below 25 MPH a grinding noise can be heard, coming from the transfer case or from differential. Then, a "clunck" is heard, like if whatever was trying to engage, just disengaged. If I move the transfer case lever from 2H to 4H the sound dissapears. I believe it is the 4x4 system trying to engage by itself while the vehicle is in 2H. After highway driving for in 2H mode 30+ minutes the warning light for the center locking transfer case will start to flash. When you turn the vehicle off it will reset, but after awhile everything will start over.

Any ideas and/or solutions to this problem?

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  • Anonymous Nov 03, 2008

    pierde aceite por el cardan trasero

  • guangui Apr 03, 2009

    Easy solution, use the 4x4 every so often. Vehicle for 38K miles had always been used by a lady that never went off road, nor even knew what the 4x4 was for, so it was never used. I used it a few times, and problem solved. A Mits dealer technician advised that if the 4x4 is not used every now and then they tend to cause the problem described. A friend of mine with the same vehicle had the same problem, and fixed it by using the 4x4 every now and then.

    This vehicle doesn't leak. Este vehículo no tiene fugas de aceite/grasa. Cuando pierden aceite el problema es los sellos y es cuestión de reemplazarlos.

  • John Thomas May 11, 2010

    I have the exact same vehicle with same problem. I've taken to an auto shop and they can seem to figure it out. Have you found a solution?



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Posted on Jan 02, 2017

  • 147 Answers

SOURCE: 1999 Mitsuishi Montero sport 2H shift light flashing

Bad 4wd position sensor located on transfer case or bad sensor located on right front axle housing for 4wd engagement position.

Posted on Mar 29, 2009

  • 158 Answers

SOURCE: 1988 chevy 4x4 actuator

The switch for the 4wd light is on top of the transfer case. It is probably sticking

Posted on Apr 07, 2009

  • 2030 Answers

SOURCE: When I move the 2H-4H-4L selector switch on my

Most likely the controller module is bad, or the actuator for the front axle has gone bad.

Posted on Jan 12, 2010

  • 72 Answers

SOURCE: 4runner 92 4WD problem

This might sound like a silly question but did you put the truck in neutral before you shifted into 4L ? Reason being transfer case damage can occure if it wasnt in neutral when you shifted into 4L.

Posted on May 11, 2010

Testimonial: "Hi, actualy, concern8ing your question, the transmission was at neutral :S"

  • 984 Answers

SOURCE: stuck in 4h and won't go into 2h

Sound like the vacuum line is off the IWE solenoid ( on the firewall ) or there is a problem with the vacuum reservoir ( behind the battery box ).

The IWE solenoid controls vacuum to the IWE ( Integrated Wheel Ends ) to pull the hubs out ( spring loaded to push in without vacuum ).

You can pull one of the IWE vacuum lines ( the other line is a vent that leads into the engine compartment and is open ) and test with a vacuum gauge when the switch is in the 2H position, you should have vacuum on the line.

If not, you will need to trace back the vacuum lines to find where the leak is at ( if it is what I think it is ).

This is a block diagram of the vacuum system to work from ( not the physical routing ).

This is starting point, the other problems get into the IWE itself.

Posted on Jun 05, 2010

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That don't sound good. If you shut the engine off and restart it, is the grinding noise still there? If you engaged it with wheels spinning there's a good possibility the you broke something inside trans or transfer. If you did that with engine idling, I find it hard to believe anything would break. As far as it not moving it could be something as simple as the brake pads are frozen to the rotors (cold weather). I guess it's possible you have the transfer case jammed somehow, but that doesn't explain the grinding noise in the trans. The park pawl is in the transmission, so when the trans is in park the only thing turning is the input shaft and maybe a clutch drum or two. The output shaft should be held still by the park pawl. If you have a push button on the dash to engage the 4X4, that means it's done with an electric motor, it's possible that motor failed. You could try pushing the vehicle by hand a little maybe you jar it loose.
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