Did you get this figured out?
As a few have mentioned, tire pressure and tire choice can make a difference. I run 35-37 psi on a 37 inch tire for comfort (D load).
If tire pressure doesn't get you there, then something is up with the shocks.
If you took an inch of pre-load out of the spring and its still harsh, its the oil or the valving that is causing that.
The oil gets hammered pretty quick, doesn't need to be leaking for them to need a rebuild...
Find a good shop that knows how to rebuild shocks and take them apart. Look at the...
Does the sound go away when transmission is put into D or R or just when fans kick on an place load on the engine etc.
Since the fans are electric and and the sound goes away when they kick on, I would be looking at the front accessory drive as well. Weird that the noise is coming from the back...
The car business seems to look at 2 factors when it comes to value/de-value on used vehicles. Usually you will see a drop at 100k miles and again when a vehicle hits the 10 year mark.
The last of the Gen1's is now a 10 year old truck, so we are seeing a downward trend now. Add into that the...
Watched an interesting youtube podcast with Ken from PBD and Brian Wolfe the engine director for Ford Motorsports/Global Engine etc etc..
Really interesting conversation around the architecture of the Godzilla, he wasn't shy about the shortcomings of the 6.2 as well as his dislike from the...
Check around the radiator cap on the surge tank. Look for a dry white cakey substance on the sides and bottom of the tank.
When/If you have a small leak up front like that its hard to see a puddle as the liquid gets blown off by incoming wind and dries/evaporates so you don't see any puddles...
Mentioned this on post #4..lol
Thought you checked this already!
Is it something you hear or feel?
If you have the tailgate with the step and stripper pole, take the tailgate off and go for a drive.. mine is ***** and makes a ton of noise from years of desert vibration..lol
When the truck is on jack stands (steering unlocked but truck off) you can cycle the steering by hand. This will push air out of the rack and burp air into reservoir instead of the pump churning and possibly cavitating.
Takes some elbow grease but a good way to slowly push out any air.
Start with getting rid of the MSD Coils. I had issues with mine on a blower truck. Went back to OEM and no issue.
Check all of the body grounds..there are a ton of them.
Clean a dielectric grease the grounds on body, there are several on the rad support behind each headlight, a big one from...
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