What is a one piece axle?
The axles consist of a flange, which the wheel bolts to, and a shaft with splines on one end and a serrated taper and keyway on the other end. One-piece axles replace the shear-prone keyway design with solid shafts.
Can you rebuild differential?
A complete rear differential replacement includes replacing the housing, gears, bearings, and seals. The average time it takes a certified mechanic to perform a differential rebuild at a shop is usually three to five hours. A rebuild on a commercial vehicle by someone without prior experience could take much longer.
Is it worth rebuilding a differential?
The truth is that sometimes replacing your rear differential will end up costing more than your car is actually worth. But that doesn’t mean you’re at a total loss. You can still junk a car with broken or faulty parts—and walk away with cash for it.
👉 For more insights, check out this resource.
How much does a differential rebuild cost?
Most differential repairs will cost between $200 and $400 to repair. Of course, this depends on the severity of the defect and what parts need to be replaced. For a rebuilt differential, you might need to spend between $400 and $1,000. On the other hand, replacing a differential costs $1,000 to $2,000 on average.
👉 Discover more in this in-depth guide.
How do I identify my Dana axle?
To figure out exactly what axle you have, you can look for the Dana stamped bill of materials number. This stamped number can usually be found on the righthand side or on the longer axletube on the same side of the tube as the differential cover, facing the rear of the truck.
How do I identify a Dana 35?
There are a few things that can help you tell if the axle is a Dana 35 or a Dana 44. The easiest way to tell these axles apart is to look at the shape of the differential cover. The Dana 35 cover is pretty much perfectly round. The Dana 44 is sort of a six-sided shape.
How much does it cost to have a differential rebuild?
Depending on the make and model of your car, as well as its condition, expect to spend between $1,500 to $4,000. The other factor is if you buy a new rear-diff or a used/rebuilt one.
Is the AMC Model 20 rearend really that bad?
The AMC model 20 rearend has been getting a bad rap for years. The two-piece axle design that AMC used in most Model 20’s is about as sturdy as using dental floss for a tow rope. For reasons of economy or otherwise, AMC stuck with its two-piece design axle right up until the very end.
Where is the code on the AMC rear axle?
The AMC axles have a code that has to be looked up in a table. The code is stamped on the housing boss to the left of the diff cover right near the axle tube. Good part about the stamp is it tends to stay readable longer than the tag, but you have to know the code.
Should the Dana 30 and AMC 20 axles be the same?
Both axles should be geared the same. The R&P ratio ranges supported by the carriers are 2.73 and 3.31-5.13. The 5.13 gear ratio is not available for the Dana 30 though, so it is rare to see it. 4.56s are the lowest common ratio between the Dana 30 and AMC 20. 5.13s are available for the Dana 44.
How do I find the gear ratio on an AMC 20?
Identifying the gear ratio of an AMC 20 is a bit tricky. Dana axles normally have a tag on the left of the diff cover with the gear ratio at the time of build. The AMC axles have a code that has to be looked up in a table.
