Lubricate the seals on the leads of the new heating element with a small amount of rinse aid.
Push the leads of the new heating element through the holes in the back of the tub.
Attach the mounting clip inside the tub to the new heating element.
Set the dishwasher on its back.
Install the plastic nuts on the ends of the leads; don't cross-thread the plastic nuts.
Tighten the nuts until they're snug, to prevent leaks.
Push the wires completely onto the leads of the heating element.
Set the dishwasher upright. Pour water into the dishwasher. Check for leaks around the plastic nuts. To stop leaks, tighten the nuts to seat the rubber seals.
Reinstall the bottom dishrack.