Remove the p trap from the sink drain.
Remove sink attached to wall.
Remove the vanity cabinet.
Kitchen sinks come in 2 basic designs.
Most are fastened with a few screws.
How to attach a pedestal sink to the wall without studs.
Leave the faucet and drain pipes attached for now.
Remove all screws with a drill or screwdriver.
Use pliers to disconnect the drainpipe and garbage disposal from the sink drain.
When all connections are free remove the metal clips that attach the sink to the countertops.
When your walls lack the studs to.
Use a utility knife to sever any caulking between the back edge of the sink and the wall if applicable to ease removal.
Make sure all connections to the sink have been released properly.
The sink bowl is usually attached on the wall mounted on a bracket and by simply lifting up on the sink it will detach from the wall.
Loosen the nuts securing other piping that runs to the sink drain such as faucet and sprayer connections and remove these as well.
If there isn t an allen wrench look for snap rings and remove by loosening the screws attached to them.
Remove the sink from its wall mounting bracket by lifting evenly upward approximately 3 inches from both sides of the sink near the wall.
Step 4 pull the sink away.
Remove both the dishwasher drain line and the garbage disposal.
More often than not a pedestal sink s mounting holes will not line up with existing wall studs.
Assess what type of sink you have.
After this carefully lift up the sink and slide the pedestal out.
If the cabinet is attached with nails carefully pry it away from the wall with a flat pry bar.
Remove any trim where the cabinet meets the walls if applicable.
To remove the pedestal sink to gain access behind it remove the caulk under the sink bowl and the caulk near the bottom stand at the floor.
Under mounted which are attached to the countertop from underneath or drop ins which simply drop into the sink opening in a countertop.
Check inside the cabinet to determine where it is attached to the wall.