- First Name
- Scott
- Joined
- Nov 13, 2022
- Threads
- 0
- Messages
- 4
- Reaction score
- 16
- Location
- Parker, CO
- Vehicle(s)
- 2022 Bronco 2D Base
- Your Bronco Model
- Base
Two of my left side plug welds came out completely. One of the plugs dropped onto my diff cover so I could take a look at it. Dealer service department said the plug weld indicated they were not welded correctly at time of manufacturing.I Don't keep my ear as close to the ground on Jeeps as I do on the Bronco, But I'm still fairly active on the Jeep forums, and I haven't heard of any similar failures on the JLU or Gladiator, and with the very popular Z-automotive Tazer programmer, They even have the same function as Trail Turn Asist, I would guess there are as many Jeeps with the Tazer, 37" tires, and the M220 axle as there are Broncos with the same basic configuration (My wife's Gladiator is on 37"s with a Tazer, though she doesn't really wheel it hard like she does her JKU).
I really think what we're seeing is some bad batches of plug welds on M220's that ended up in Broncos, I'm pretty sure they don't run the Bronco and Jeep axles down the line at the same time.
Or there is a difference in the geometry of the arms/trackbar in the Bronco that places more stress on the plug weld than Jeep's geometry.
In the failures we've seen, have the plug welds been actually completely falling out, or sheering at the tube? If they are falling out, I'm guessing bad welds, If Sheering at the tube, My guess would be geometry twisting the tube more
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