What happens if you put too much grease on your brake caliper slider pins ?. In this video I grease the slider pins with different amounts of grease on the pins to see how each amount affects the operation of the pins. The caliper bracket I used for this demonstration used two identical pins with concave tips and three flat strips ground onto the shaft of each pin. This was only a basic bench test with one particular type of brake caliper pin and bracket and does not necessarily replicate what the brake caliper will do when operating under load in actual braking conditions. There are many different caliper pin designs and some of them also have rubber bushings installed on the shafts, so the results could be very different to the pins used in the video. I would recommend always using the correct amount of suitable, rubber-friendly caliper grease and avoid getting any grease on the tips of the slider pins or, if you do, wipe it off before reinstalling the pin.
This job can be carried out with the bracket still bolted to the vehicle, but I used a new caliper on the bench for clearer demonstration. NOTE: If you are lubricating pins that have been in use on your vehicle, you will need to clean out the old grease from the bores and clean the slider pins before applying new grease and re-installing them.
It is important to lubricate your brake caliper slide pins as failure to do so may cause them to stick or even completely seize up which could cause uneven wear of your brake pads. The car may appear to drive normally, but the pads will only be pushed onto the disc from the piston side. This will give reduced braking ability on one wheel, and wear out the pad on the piston side much faster. The pads could also stay stuck against the rotor which will build up heat in the brakes and wear your pads down even quicker. Thanks for watching. Please comment, like and subscribe !.
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