Front differential failures

[Allen foster]

I have a 2022 ford ranger 4x4 with 4x4 package .In the past 2 years since owning this truck I have just now gone through 2 front differentials both failing when in 4 low with very light use.What could be causing this problem ?
A differential should not fail from light use.

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[Big Blue]

I have a 2022 ford ranger 4x4 with 4x4 package .In the past 2 years since owning this truck I have just now gone through 2 front differentials both failing when in 4 low with very light use.What could be causing this problem ?
A differential should not fail from light use.

What was the failure of the differential? And what was the conditions of this "light use" that you needed to be in 4L? Also what if any mods have you made to the front suspension?

Need more details to be able to help.

 

[Allen foster]

What was the failure of the differential? And what was the conditions of this "light use" that you needed to be in 4L? Also what if any mods have you made to the front suspension?

Need more details to be able to help.

 

[Allen foster]

No mods where made this last failure was I was a little stuck on some ice and snow in 4x4 high followed proper procedures to put it in 4x4L to try to get traction the wheel did not get traction so lightly applied the brake to stop the wheels from spinning as I was doing that I heard a clicking noise and a loud bang.took it back to ford being its also on warranty result... front differential failed.

 

[airline tech]

The only thing that would make sense as a possible here, The Transfer from 4-Hi to 4-Lo is not immediate and there is a delay. Must be in (Neutral) and stopped or speed less than 3 MPH, speed input comes from the (ABS) wheel speed sensor inputs.

My THEORY and this is just that a (THEORY)

You went to neutral, saw the flashing (transition) on the dial, put it back in gear, and began giving it gas - Still in 4-HI.
Now I know that (ALL 4) wheel speed sensors tie into getting it to shift into 4-LO.
So, the question is - and the (WHAT IF?) it takes any combination of them or does it require (ALL) to see (3 MPH) or less to allow the shift into 4-LO

So being in a (On Ice) situation, uneven traction from each tire, I think the system ALLOWED a shift into 4-LO and all wheels (mainly) the Fronts were not within the specs (3-MPH) or less.
So, the transition actually happened when all parameters were not met.

So, with you on a (Second) Differential, something else is wrong on the (Control) side of system and it's letting it get into 4-LO without the proper safeguards (inputs) to prevent damage.

 

[Rp930]

How did the other one fail?

 

[Allen foster]

How did the other one fail?

Doing the same thing just a different place

 

[5thranger]

The only thing that would make sense as a possible here, The Transfer from 4-Hi to 4-Lo is not immediate and there is a delay. Must be in (Neutral) and stopped or speed less than 3 MPH, speed input comes from the (ABS) wheel speed sensor inputs.

My THEORY and this is just that a (THEORY)

You went to neutral, saw the flashing (transition) on the dial, put it back in gear, and began giving it gas - Still in 4-HI.
Now I know that (ALL 4) wheel speed sensors tie into getting it to shift into 4-LO.
So, the question is - and the (WHAT IF?) it takes any combination of them or does it require (ALL) to see (3 MPH) or less to allow the shift into 4-LO

So being in a (On Ice) situation, uneven traction from each tire, I think the system ALLOWED a shift into 4-LO and all wheels (mainly) the Fronts were not within the specs (3-MPH) or less.
So, the transition actually happened when all parameters were not met.

So, with you on a (Second) Differential, something else is wrong on the (Control) side of system and it's letting it get into 4-LO without the proper safeguards (inputs) to prevent damage.

Sounds like something the dealership will not figure out let alone even think of.

 

[DukeCanBuildit]

Sounds like something the dealership will not figure out let alone even think of.

Sadly, they might very well just replace the differential and stop there.

OP, good luck with this issue. I hope they get it worked out.

 

[Big Blue]

I would still like to know what actually failed (broke) in the differential? I would think if it was a contol issue with the transfer case, the transfer case would fail not the front differential.

 

[Dereku]

4 Lo has a silly amount of torque that gets transferred. I have rarely used it in all my years of trucks and off road. Good for technical crawling, or serious stump pulling power. Otherwise it is not more traction than 4 Hi.

 

[JasonTremor]

Generally one would break a cv joint on a front axle before the differential lets go. The axles are the weak links by design.

 

[Rp930]

Sounds like operator error to me. It would be helpful to know exactly what broke. Sitting there with one wheel spinning is death to a differential. I think it was already destroyed when you switched to low range and if it wasn’t you finished it off at that point.

 

[Dereku]

This sounds bad no matter how it is said. Very few people truly know how and when to use 4wd on a truck. Just the truth

 

[Allen foster]

The only thing that would make sense as a possible here, The Transfer from 4-Hi to 4-Lo is not immediate and there is a delay. Must be in (Neutral) and stopped or speed less than 3 MPH, speed input comes from the (ABS) wheel speed sensor inputs.

My THEORY and this is just that a (THEORY)

You went to neutral, saw the flashing (transition) on the dial, put it back in gear, and began giving it gas - Still in 4-HI.
Now I know that (ALL 4) wheel speed sensors tie into getting it to shift into 4-LO.
So, the question is - and the (WHAT IF?) it takes any combination of them or does it require (ALL) to see (3 MPH) or less to allow the shift into 4-LO

So being in a (On Ice) situation, uneven traction from each tire, I think the system ALLOWED a shift into 4-LO and all wheels (mainly) the Fronts were not within the specs (3-MPH) or less.
So, the transition actually happened when all parameters were not met.

So, with you on a (Second) Differential, something else is wrong on the (Control) side of system and it's letting it get into 4-LO without the proper safeguards (inputs) to prevent damage.

Ok this is a update I have my truck back they told me there was a error code with the abs and the error code was a delay in the system. The repair for the diff. Was covered under warranty. Was also told they can not do anything farther untill there are alot more rangers with the same issue to warrant a deeper investigation into the cause of the diff. Failures.

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