Remove the crate lid off the slider.

Remove the slider from the base.

Unscrew the base from the crate.

Place base into wellside.

Insert slider back into base.

Ensure that the slider is centred inside the wellside and does not foul with the tailgate.

Remove slider from base while ensuring you don’t knock the base out of position

Ensure that the mounting points will not foul with anything underneath the vehicle. 

Once you have checked there is nothing interfering with where you will me mounting the slider, begin drilling 8.5mm holes through the bottom of the wellside.

Place zinc M8x25mm hex head bolts with a flat washer through each of the holes you have drilled.

Fasten a nyloc on the bolts and tighten.

Clean out any swarf left in the well side.

Place the slider back into the base.

Place the plastic buffer into the base like so and fasten using M6 flat washers and nyloc nuts

Repeat process on other side of the base