Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to service a brake caliper on a 2002 acura rsx [title] Remove the five wheel lug nuts, then remove the wheel. [title] Remove the two 8 x 1.0 mm bolts from the caliper. [step] Remove the caliper body, then securely hang the caliper body from somewhere on the car using a rubber strap or something similar, ensuring that there is no weight or stress on the rubber flex hose.

Ending1: [title] Remove the two four ball bearings with a plastic screwdriver. [step] The ball bearings are located underneath the caliper body. Ending2: [substeps] Check the caliper's oil level every 5 times you use it. If your caliper is oil free, it is still safe to use. Ending3: [title] Remove and inspect the two brake pads. [step] Measure the thickness of the friction material on the pad. Ending4: [title] Obtain a tire iron and clean it well using the hose. [title] Remove the casing, or plate on the caliper body.

Answer format: ending1/ending2/ending3/ending4