Good morning,
There are bushings in the lower arm that do wear out. They usually last around 75,000 to 100,000.
https://www.2carpros.com/articles/lower-control-arm-bushing-replacement
If it makes you feel better, have someone else look at it to get there opinion. In these times, techs are looking for work and may recommend things that normally do not need to be replaced.
I attached a picture for you of the arm with the bushing.
Roy
Removal and Installation
NOTICE: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure may result in major service expense. New parts must be installed with the same part numbers or equivalent part, if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Torque values must be used as specified during reassembly to make sure of correct retention of these parts.
1. Remove the wheel and tire. For additional information, refer to Section 204-04 .
2. Remove and discard the lower ball joint nut and separate the lower ball joint from the wheel knuckle.
To install, tighten the new nut to 63 Nm (46 lb-ft).
3. NOTE: Tighten the lower arm inner bolt with the weight of the vehicle on the wheels and tires.
Remove the lower arm inner bolt and the lower arm.
Discard the bolt.
To install, tighten the new bolt to 175 Nm (129 lb-ft).
4. To install, reverse the removal procedure.
Image (Click to make bigger)
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Tuesday, May 12th, 2020 AT 6:37 AM