To inspect the front brakes, it is necessary to remove the front
wheels, if you don't have an air impact gun, loosen the lug nuts
as shown in this picture, then raise the front of the vehicle with
a floor jack and place 2 jack stands underneath the sub frame
As you can see in this picture, the vehicle we are working
on was missing one of the rubber bushings in the right front
brake caliper, as a result, the brake caliper was bouncing
against the caliper guide pin generating a rattling noise.
It is easier to install the new brake caliper bushing with
the caliper removed, to do so, loosen and remove the 2
guide pins that secure the brake caliper to the steering
Once the guide pins are removed, pull gently on the
brake caliper, it should slide out with both brake pads
still attached to it.
We decided to replace all 4 of the front brake caliper
bushings, that way the brakes work evenly and the car doesn't
pull to one side while braking, remove the old caliper bushings
by pulling them out.
Next, using brake cleaner, clean the cavity where each new
bushing will be installed.
To make installation easier, apply a thin coat of silicone
grease to the beveled end of the bushing (smaller diameter)
and install them on the brake calipers.
Next, lubricate the inside of the brake caliper bushings
with silicone grease, this will allow the caliper to slide
freely on the guide pins, otherwise, if the bushings are
not properly lubricated, one of the calipers will stick
causing premature brake pad failure, car pulling to the
side when brakes are applied etc.
Proceed to install the brake calipers back on, install the
wheels back on the car, lower it to the ground, tighten the
wheel lug nuts and take it for a test drive, there shouldn't
be any noises coming from the front brakes anymore.