Where is the caster-camber adjustment on a 1990 Chevrolet 2WD Truck?

On a 1990 Chevrolet 2WD truck, caster and camber adjustments are typically made at the upper and lower control arm pivot points. However, there's a crucial detail: there's no readily accessible adjustment for caster on these trucks. Camber is usually adjustable with eccentric bolts or shims at the lower control arm.

To clarify:

* Camber: You might find eccentric bolts or shims on the lower control arm. These allow for some camber adjustment. Access will require removing parts of the suspension to get to them and make adjustments, such as the wheel and possibly brake caliper.

* Caster: 1990 Chevy trucks of this type generally do not offer caster adjustment. Caster is primarily set during the manufacturing process. If significant caster adjustment is needed, it often points to other suspension issues that need to be addressed.

Important Note: Any adjustment to the suspension geometry requires specialized tools, mechanical knowledge, and potentially an alignment shop. Incorrect adjustments can severely impact handling, tire wear, and even vehicle safety. It's strongly recommended that you take your truck to a qualified alignment shop for any suspension work, rather than attempting this yourself unless you have extensive experience.