Track 6 - Everything you wanted to know about diff locks but were afraid to ask

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It this episode of the 4WD podcast, we discuss with 4x4 expert Jason Lock everything Diff Lock.  What are they, how do they work, when should you use them and what can go wrong.

Diff Locks are on of those mods that many people think about or get but don't really know how to use them.  Have a listen and hopefully you will learn a little to be a better driver.


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Latest Posts about Track 6 - Everything you wanted to know about diff locks but were afraid to ask

Submitted by discomatt discomatt
Prucha Clan
Land Rover's patented Terrain Response system in the Disco 3 onwards allows the driver to choose any of five settings via a rotary dial in the cabin. There's a general setting, a setting for slippery conditions, and three specialised off-road modes catering for mud and ruts, sand, and rock crawling. Selecting any of these options according to the terrain encountered affects ride height, throttle sensitivity and engine torque response, Hill Descent Control, traction control, transmission shift patterns, and differential settings. From what I understand, the vehicle is already fitted with diff-locks and a low-range transfer box linked to and managed by the computer but I've not really be able to confirm this. Is this correct or am I misguided in my understanding?
All correct except for the diff lock, the rear diff lock is an optional extra, standard on a HSE I think, it is now possible to get after market rear lockers for the D3 but not yet available for the D4. In the D3 and 4 it is an electronic locker not air.
Submitted by Holden 4x4 Holden 4x4
rogerazz
Listened to the podcast.
Couple of questions for Jason Lock.
1. I have rear Eaton locker, can I engage while moving and if so what maximum speed?
2. Front is an ARB air locker ( don't ask why:)) can I engage while driving and if so at what maximum speed. I assume that compressor is ok to run whilst driving along and keep on so do I stop to engage the air lockers?
Also Jason said in the podcast he switches off his lockers before winching. Is that on the vehicle that is winching itself and moving, or a stationery vehicle that is winching another vehicle, or a vehicle that has lockers on and is being winched???
In most cases leave your lockers on. This will put less stain on the winch and rope. And if you are winching someone and some thing goes wrong you will have full traction if needed.
Gibsons campers and communications
Submitted by Holden 4x4 Holden 4x4
Most 4WD vehicle with lockers that are not engaged is actually a 2WD! Hahahaha
Submitted by Prucha Clan Prucha Clan
Land Rover's patented Terrain Response system in the Disco 3 onwards allows the driver to choose any of five settings via a rotary dial in the cabin. There's a general setting, a setting for slippery conditions, and three specialised off-road modes catering for mud and ruts, sand, and rock crawling. Selecting any of these options according to the terrain encountered affects ride height, throttle sensitivity and engine torque response, Hill Descent Control, traction control, transmission shift patterns, and differential settings. From what I understand, the vehicle is already fitted with diff-locks and a low-range transfer box linked to and managed by the computer but I've not really be able to confirm this. Is this correct or am I misguided in my understanding?
Submitted by Quercus Quercus
Good podcast Thx
Submitted by Mysticality Mysticality
Hi rogerazz
In answer to your question about the ARB air locker, you can engage it at any speed, as long as the car is driving in a straight line (both rear wheels at the same speed) and you're not putting excessive power on the diff (engine at throttle or engine braking)
Also, you need to leave the compressor switched on so it provides enough air pressure to keep the locker activated. Do not turn the compressor off unless you want the air locker to also be off. :)
Submitted by rogerazz rogerazz
Listened to the podcast.
Couple of questions for Jason Lock.
1. I have rear Eaton locker, can I engage while moving and if so what maximum speed?
2. Front is an ARB air locker ( don't ask why:)) can I engage while driving and if so at what maximum speed. I assume that compressor is ok to run whilst driving along and keep on so do I stop to engage the air lockers?
Also Jason said in the podcast he switches off his lockers before winching. Is that on the vehicle that is winching itself and moving, or a stationery vehicle that is winching another vehicle, or a vehicle that has lockers on and is being winched???
Submitted by Mysticality Mysticality
A 4WD vehicle without lockers is actually a 2WD! Hahahaha!!
Mate, come on. We all know that's not right.
Submitted by Patriot Patriot
Patriot submitted a new blog post

Track 6 - Everything you wanted to know about diff locks but were afraid to ask

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We talk to 4x4 expert Jason Lock about Diff Locks, what are they, are are the different types, when to use them, and how to use them.
Continue reading the Original Blog Post.
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