JL Rubicon caster measure

[dannko]

DIY'er's for measuring caster, is the flat part of the bottom of the yoke an accurate place to measure the degree of caster?

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[Moto_21]

You can. I use the holes on the front of the diff next to the cover and the flat spot on the pinion. I shoot for 0 at those locations. Should give you 6 degrees caster or just about

 

[anotheraznguy]

you can measure the two big holes next to the diff. Caster / yoke difference is 6 degrees. So 0 degree at diff is 6 caster. 2 degree at diff is 4 caster.

 

[Csward12]

Can somebody PLEASE take an accurate picture of where to check castor on the JL?

 

[Csward12]

I’m curious to to where I am with the 2” Mopar, and I’m going to the full 3.5” MC Rocksport in two weeks.

 

[anotheraznguy]

Can somebody PLEASE take an accurate picture of where to check castor on the JL?

You see the two holes on either side of the diff cover. Measure that.

 

[MojitoJLUR]

You see the two holes on either side of the diff cover. Measure that.

These two holes?

 

[Rock Krawler Suspension]

These two holes?

No, the part circled in green here. The surface there is machined flat and you can put an angle finder on them accurately.

 

[MojitoJLUR]

No, the part circled in green here. The surface there is machined flat and you can put an angle finder on them accurately.

Ah ok, I was wondering how you'd use the two holes I circled lol

Thank you!

 

[Rock Krawler Suspension]

Ah ok, I was wondering how you'd use the two holes I circled lol

Thank you!

Welcome!

 

[RonAZ]

Does the rear axel have a caster setting as well? Sometimes it feels like the tail is waging the dog when it comes to trying to drive straight down the road.
My front is at 4 degrees per iPhone app. Is it possible the they are just welding the bracket on the frame at the wrong location on the front?

 

[Solidaxle]

Ah ok, I was wondering how you'd use the two holes I circled lol

Thank you!

Just in case anybody wants to know why the Dana axle has those holes , it’s for a case spreader. It has two pins that spreads the case open to change the carrier.

 

[CaddyshackGopher]

So I’m getting 2 very different numbers between going from the flat circles on the pumpkin vs the flat area on the knuckle. Can someone explain which area is the correct one to get a solid “home” read on caster? Thanks in advance!!

 

[mysto]

I just have an angle finder, but I'm at about 7 degrees on the knuckle and 1 at the pumpkin. Someone abo ve suggested adding 6 to the pupkin, which approximately matches what i see.

 

[CaddyshackGopher]

I just have an angle finder, but I'm at about 7 degrees on the knuckle and 1 at the pumpkin. Someone abo ve suggested adding 6 to the pupkin, which approximately matches what i see.

In this scenario is your caster 1, 6, or 7?

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