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Should I lift my Jeep


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Scotty- I have a 2019 Jeep Grand Cherokee with 25k miles on it and was considering getting it lifted. If I do this, can I expect to have suspension issues or a ride that is less comfortable than what I currently have? Are there other things to consider while I decide to get this Jeep lifted? Thanks Scotty

1 Answer

Raising any vehicle on its suspension disturbs the stability of the vehicle. It's easier to roll over in a tight turn and it will cause premature wear to driveline components over time. Wider set tires with spacers, or just wider tires will offset the instability, but also comes at a cost of increased wear. Control arms and such weren't designed for that geometry.

A minor lift won't do it right away, but it will still increase wear, because the parts weren't intended to operate at the angles that they're being permanently placed in. 

For example, a 1" lift lowers the differential 1" from the body. Then the drive shaft to the rear end is permanently dropped down 1" from its normal alignment with the engine and transmission. The suspension normally moves in that range, so the driveshaft will tolerate it, but being at the funky angle constantly, it will very gradually wear things out -this geometry is supposed to be temporary on bumps, not permanent.

Take it to the extreme, and you can shear off driveshafts and U-joints. Lifted vehicles are meant for off-road, not the paved street. Pavement creates too much friction with the tires, straining the driveline at the improper angles. Off-road, this doesn't happen, because dirt and mud let wheels slip. This is why monster trucks in the arena don't trash their drivetrain. They're on sand, not asphalt.