TL;DR - I am not happy with the lifespan I got out of the X-Axis joints on my SPC upper control arms (UCAs), so I'm going back to the original polyurethane bushing-based SPC UCAs.
4 CommentsTag: SPC x-axis joint
May 22, 2023 With the Tacoma living in Las Vegas now, it's harder to perform various maintenance tasks as they pop up and between trips. As such, with a few general maintenance issues - oil changes, tire rotations, etc. - and a few items in recent Rig Reviews needing attention, I drove the truck home from the Three Days of R&R trip for a little TLC (Tacoma Loving Care). On my list for a warm spring day were the following tasks: Routine maintenance - Change the oil, Rotate the tires Grease drive train. Check the new SPC UCAs for play in…
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Older SPC UCAs with SpecRide bushings vs. newer arms with the X-Axis joint.
TL;DR - I no longer recommend SPC upper control arms (UCAs) if they contain X-Axis bushings.
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September 1, 2022. Note: There is an important update below. It was more than three years and 120K miles ago that I installed SPC UCAs on the Tacoma. Shortly after installation, SPC came out with an improved design that was a single forged piece of material, with an entirely new type of joint. That joint - which they call the "X-Axis" joint - was essentially a sealed spherical bearing that replaces the polyurethane bushings where the UCA is mounted to the frame. And so, when I took the truck in for an alignment and the alignment tech (a good one,…
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My original SPC UCAs with sleeved poly bushings on the left; new UCAs with the X-Axis joint on the right.
TL;DR - the last time I got an alignment, the tech mentioned that the rear passenger side bushing on the upper control arm (UCA) was starting to get a bit loose. After some consideration, I decided to install completely new UCAs, with lifetime joints so I never have to worry about those bushings again.
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