Installing a U-joint correctly more often than not requires special tools these days, and potentially a rebalance. Also, replacing U-joints without distorting the driveshaft yokes and the aluminum tubes requires more care to prevent damage.
It’s better use finesse when replacing u-joints, otherwise, you may see it again when the customer complains of a vibration.
Ignition Coil Failures
Master Cylinder Inspections
Secondary Ignition Diagnostics
Toyota Fuel Injection