dcmdon
Well-Known Member
- First Name
- Don
- Joined
- Mar 31, 2021
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- 60
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- 3,656
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- Boston Metro-West, Northern NH
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All cars will pull to the right on a right crowned road and pull to the left on a left crowned road.Must be a negative side-effect of the front solid axle, then. I’ve owned dozens of other vehicles that drove straight no matter the road conditions.
Also, JK didn’t have this issue to the extent we see on JL/JT. So things clearly changed for the worse.
Two changes FCA made:
Instead of taking customer complaints seriously and addressing the issue, FCA screwed around for the first four model years, having dealers do a re-flash and later a steering stabilizer recall. Neither worked.
- Drop the time-proven hydraulic steering assist for an electric setup. Automakers around the world have been swapping hydraulics for electric assist, and now struggle with giving electric steering systems adequate feel
- Use an aluminum steering box to save weight. A negative side-effect of this was reduced stiffness and added play, resulting in JL/JT’s infamous “vague” steering feel and lots of steering wander.
The steering wander was rectified to some extent by swapping back to a cast iron box in the second half of 2020. Jeeps built prior mid-2020 are eligible for a TSB, provided we are able to get our dealers to get off their asses and do their f+cking job...
Add to that a half-assed Mopar lift that doesn’t even include an adjustable track bar...
The entire thing is ridiculous.
What I can't really comment on his how hard they will pull. The amount of caster is what determines how much crown affects things.
I don't know enough about the Jeep caster numbers compared to other cars to offer a valid opinion on that.
I also don't know enough about how a solid axle affects required caster and if that impacts whether the vehicle follows the crown more than something similar with independent front suspension.
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