Yhis Don't Look Good
Tuned
Joined: Apr 2015
Posts: 282
Likes: 68
From: N.E.Indiana
Looks like every other vehicle I've been under in the last 50 years. It is normal and it's not a problem. It bothers some and many have painted and coated with various things. I have no experience with spray on bed liner but I wonder how much unsprung weight are you adding and probably more important what would the rubber (plastic?) coating due to the natural air flow cooling of the rear axle. I've seen the axles get pretty warm to touch after a day on the road, is the coating going to hold enough heat to be a long term issue? Anybody? This should go without saying but will the guy spraying it know enough to tape off the vent? Would be interesting to see how this plays out if you go for it. Jim
PS I had mine sprayed with Krown under coating and that hid the rusty looking spots but don't know how long it will last, I probably won't recoat due to mostly aluminum.
PS I had mine sprayed with Krown under coating and that hid the rusty looking spots but don't know how long it will last, I probably won't recoat due to mostly aluminum.
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Mountain Pass
Joined: Apr 2023
Posts: 141
Likes: 16
Gonna see how much it cost and IF I can afford it- (got that locker to pay for first) But yeah I'm thinking just some paint and washing with soap and water during the winter- I mean I'm just about 70 how long can me or the truck last after all hahaha
Fleet Mechanic
Joined: Oct 2004
Posts: 1,395
Likes: 105
From: Southern KS
I painted my differential within the first week of ownership. Took maybe 2 hours to do thorough job and it should last a long time.
It is really not a big deal. That casting will NEVER rust thru but the stamped cover might if you let it go too long.
It is really not a big deal. That casting will NEVER rust thru but the stamped cover might if you let it go too long.
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Logistics Pro
Joined: May 2021
Posts: 4,023
Likes: 2,337
Every truck I ever bought looked like that on the axle and some other parts even for the new ones right after delivery, never an issue.
Keep an eye on the transmission will be a more worthwhile use of your time.
Keep an eye on the transmission will be a more worthwhile use of your time.
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Joined: Oct 2011
Posts: 1,778
Likes: 287
From: Down SOUTH
THIS is what every new owner should do when new
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