https://www.fordmann.com/F250.Dana_70U.htm
After seeing this I decided to pick up an ‘07 Sterling 10.50 axle. Unfortunately, I found one of the brake backing plates was damaged. Since I’m sticking with the Dana 70 Dually axle, I listed the rest of the Sterling axle for sale.
As luck would have...
The front rotors seemed to last very well until this last set of pads. The Raybestos medium duty pads seem like eat rotors. Shoes in the back are working ok and the drums have lasted far longer.
Come to think of it, the drums and rotors are both about 10 years (40k miles) old. The Raybestos...
1) I’m glad everyone was “ok”. With heavier vehicles it doesn’t always end favourably for smaller ones.
2) It’s surprising the number of people / drivers who don’t seem to see “ambulances”. While backing up I frequently have people ignore the beeper and walk behind me while the rig is moving...
The drums have been alright, but every once in a while I have to manually adjust the auto adjusters and the drums will probably be shot by the time the second set of shoes wears out.
I've been extremely happy with the 4 wheel disc brake conversion on my Landcruiser. Never having to adjust...
https://forum.expeditionportal.com/threads/pinion-leak-and-play-dana-70-dually-97-crestline-ambulance.248874/
As much as I generally don't like to fix things that aren't broken, if you have play in your differential and/or don't have some preload on the pinion bearings, you should pick a good...
Now that the diff is back together with new bearings, the Ambo feels smoother when driving and it is also quieter too.
These bearings were living on borrowed time.
The guts of the differential:
LSD by whatever name.
:D
Pulled both axles out 6”, pulled the diff cover, pulled out the carrier, and removed the pinion gear out the back. After repeated trial and error adding extra shims I was able to bring the pinion bearing preload down below 30 inch pounds. Specs seem to be 17-30 inch pounds. At first it was...
I was almost finished buttoning up the rear differential after installing the new bearings and seal, and suddenly the pinion bearing preload went from 20-25 in/lbs to over 45 in/lbs.
Now that the new pinion seal is in place I have to pull if all apart, add a shim, and recheck the preload &...
It looks like we’ve been doing far too much driving this summer. The entire front end is plastered in bugs… and probably half were washed off by the rain.
It needs a bath.
That said, I don’t want to give it a bath until the rear axle is back together and working.
I’ve done some further digging. It looks like disc Sterling 10.5 van axles use the same e-brake shoes as their truck counterparts. Logically, I could then use Van rotors to get the 8x6.5” spacing. The unknown variable is if Sterling van discs could be fit onto either the front of a Dana 70U hub...
Here’s one that’s up for auction. Not quite sure what it was in a former life. 6’6” high inside which is a big plus over an ambulance.
https://www.bcauction.ca/open.dll/showDisplayDocument?sessionID=315678209&disID=8623713&docType=Tender&dis_version_nos=0&doc_search_by=Tend&docTypeQual=TN...
Well, it looks like finding a Sterling 10.5 dually van axle isn’t in the cards.
So…
In case you’re wondering, it’s extremely heavy. I’ll be using a floor jack to hoist it back up between the rear axle and the fuel tank. I’m hoping that I don’t have to experiment with different shims too much...
I'm fairly sure that I've installed transmissions that weigh less than the 10.5" LSD. I'm planning to use a floor jack to lift it up to fit in the rear axle. I'm hoping I don't have to take it in and out many times to get the tolerances right.
Rear inner wheel bearing is a perfect fit in the...
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