4-Hi and 4-Lo won't engage...

[mauricio_28]

Sometime in the middle of a two-week road trip through Sumatra, going through some rough surfaced roads, gravel paths and off-road tracks, my D40 Navara refused to engage 4-Hi and 4-Lo. The instrument board icon blinks and blinks and blinks, but never engages. I also managed to sever the ABS cable going to the right rear wheel. Any insights as to why 4WD won't engage? 2WD still runs strong and smooth...

 

[mcm4090]

I also managed to sever the ABS cable going to the right rear wheel. Any insights as to why 4WD won't engage? .

That is the problem. If the system is not getting a speed reading it will not engage. Fix the sensor and that should also fix your 4wd problem.

 

[The BN Guy]

If that doesn't fix it look up the code (the blinking light isn't just a random thing) and it'll tell you more.

 

[mauricio_28]

Thanks. The rig is due for its 5,000km check-up so I'll take it in to the dealer shortly. Nissan should have run that severed cable behind, rather than in front, of the axle thereby reducing the chance of it catching and severing.

 

[mauricio_28]

Sure enough. Re-attaching said cable brought back ABS and 4WD. Next project is to shield this crucial element.

 

[The BN Guy]

Excellent!:smiley_drive:

 

[CoastalDefender]

Thanks for sharing. I just learned something about our 4wd system.

 

[mcm4090]

Sure enough. Re-attaching said cable brought back ABS and 4WD. Next project is to shield this crucial element.

One of the wires to my locker got cut on my last outing. I think it happen here. http://www.youtube.com/watch?v=cfSH5RRML3Y Damn women driver's:snorkel:

 

[mauricio_28]

the funny thing is that before leaving for the trip I came across a website which brought up this issue. I said to myself "that will never happen to me, that cable can't be so vulnerable and important"...the most likely culprit was tall, stiff brush, scraping and catching on the cable...

I did miss the ABS somewhat on steep downhill gravel tracks where hard braking will make the rig slide or worse, wash out...

 

[The BN Guy]

You do know about Murphy's Law don't you? It's uncanny how things happen that way.