Jeep Wrangler Caster Angle

A positive caster angle occurs when the slope of the angle is geared toward the top-rear of your vehicle. With the new upper arms in reinstall the springs shocks and bottom bolt of the track bar.

Caster Specification For The Jl Jeep Wrangler Forums Jl Jlu Rubicon Sahara Sport 4xe 392 Jlwranglerforums Com

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. Caster yoke difference is 6 degrees. Ball park measure with an angle finder and a straight edge across the front of the ball joints or take it to an alignment shop. Correct caster angle we are normally running from 4 to 7 degrees caster depending on how we want the vehicle to handle.

Their adjustable feature delivers balance to the front caster angle and pinion angles for optimized rear pinion angle. Excessive camber in one side can indicate a worse problem like a bent axle tube. For more information on what these two terms mean see Toe Caster and Camber.

Thrust angle is the measurement of the front to rear axle looking from above. Install the new upper arm and repeat on the other side. Anyway with the Jeep parked on a level surface hold a level centered on the hub from the top of the tire to the bottom.

The higher caster in the 6-8 degrees should lower your pinion angle not raise it. Rubicon Express Alignment Cam Bolt Kits. Or - 003 Caster.

And if you have 6 degrees at the axle you would have 12 degrees of caster. It should land just slightly in front of the center of the tire Lead point marked in caster photo further above. Or - 050 Camber Fixed Angle or - 037 Cross Camber or - 050 Rear Specification.

Cam bolt kit for TJ Wrangler rear upper arms. Besides anything over about 5 degrees of caster angle is fine. Measure the angle on both sides.

025 Thrust Angle. I am not getting a consistent measurement on the front axle and i tried the top of the upper ball joint. This kit allows for adjustment of pinion angle in rear of TJ for proper driveline phasing.

On the JK if you have 0 degrees on the axle then you have 6 degrees of caster. Draw an imaginary line through both ball joints down to the road. Caster at 4 or 5.

Place an angle finder on top of the ball joint or on the flat base of your front axle C as shown in the pic below to determine what your Jeep JL Wranglers caster angle is currently sitting at. So 0 degree at diff is 6 caster. Caster influences directional control of the steering but does not affect the tire wear and without.

When the mount is at zero level castor is 55. 2 degree at diff is 4 caster. Rubicon Express Degree Cam Bolt.

You should be fine. The pinion angle takes precedence over the pinion angle. A backward tilt is positive and a forward tilt is negative -.

To set your caster angle youll need aftermarket adjustable length control arms and yes lower arms will. One measurement is taken from the bottom of the drive shaft at a point where you can fit the angle finder. March 1 2012 wayoflife Jeep JK Tech 4.

Get something that has adjustable control arms and track bar. Not sure which lift to get. Free Shipping on Orders.

The second measurement I take from one of the two machined circles that are on either side of the. Camber zero toe zero thrust angle zero and setback zero. If youre worried about it at all you can bring it by the shop Im about 15 minutes away from you.

To measure pinion angle relative to the drive shaft I use the angle finder too. If the pinion is pointed towards the ground and you dont have enough caster then you will have to break the knuckles loose and redo the caster. This Teraflex 4-Inch Alpine RT4 Long Arm Suspension Lift Kit has been designed for all the 2007-2018 Jeep Wrangler JK 2-Door models.

This will kill the measurement if they arent. Cannot stress the importance enough of these par. You can also measure the angle on top of the lower shock mount.

You should also place your angle finder on the ground as well and make a note of its angle if there is any as it will need to be taken into account when setting your caster. On a solid front axle Jeep Wrangler TJ and JK the only real adjustment that can be made is toe and caster. During a suspension alignment the caster angle is calibrated so your tires self-center to improve straight-line navigation.

000 Camber Fixed Angle-025 Description. Hopefully the measurement is small 1-15 degrees. Caster Toe and Thrust Angle.

7 degrees is the factory spec for a stock TJ w 29-31 tires. For most street Jeeps in. A cheap alternative to our adjustable upper control arms.

Or - 05 Cross Caster. Yes pinion angle and caster are directly joined together. You can measure the two big holes next to the diff.

This angle will indicate how close to parallel. With bigger tires you actually need to get a lower caster angle. 000 Camber Fixed Angle - 025 Cross Camber 000 Description.

The rear install is very similar to the front. I set almost all my solid axle vehicles in the shop at 6 degrees. You can get away with toe 06 degrees in if you like if its onroad a lot.

After the alignment the caster angle is 63 deg on the left and 67 deg on the right which is in the range for a stock TJ but I know that angles should change when. Your Wranglers caster angle is a very sensitive setup that affects your vertical axis of steering. Make sure the spacers are the same size.

Then put the angle finder on it and run. Usually gives only 2-3 degrees of adjustment. Caster is the tilting of the uppermost point of the steering axis either forward or backward when viewed from the side of the vehicle.

This helps prevent squat and ensure proper suspension alignment. Now on to the rear. 42 Cross Caster.

Once the first upper arm is out we again made the uppers the same length as the stock ones. 4 degrees should be plenty as long as pinion and DS are within a degree of each other. Using an angle gauge measure the angle.

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