Common Bathroom Sink Problems

Common bathroom sink problems and solutions

  1. Water seeps from sink
  2. Pop-up stopper does not open or close properly
  3. Water under sink
  4. Drain slow or blocked
  5. Sink needs replacement

Water seeps from sink

Possible CauseProcedure
Accumulation of soap or hair on stopperClean stopper
Stopper O-ring wornReplace O-ring
Stopper wornReplace stopper
Lift mechanism too longAdjust or replace lift mechanism

Pop-up stopper does not open or close properly

Possible CauseProcedure
Lift mechanism disconnectedReconnect below sink
Lift mechanism broken or out of adjustmentService lift mechanism
Replace drain body and pop-up assembly

Water under sink

Possible CauseProcedure
Faucet set looseTighten locknuts under faucet set
Putty under sink flange cracked or gasket wornLoosen locknut on drain body and pry up sink flange
Replace putty or gasket
Faucet set wornHave faucet set replaced
Joint at pivot rod looseTighten retaining nut
Sink tailpiece or fittings wornTighten connections
Trap fittings wornTighten connections, replace worn washers
Trap bend or trap arm damagedReplace trap bend or arm
Supply tube leaksTighten coupling nuts
Replace supply tubes or shutoff valves

Drain slow or blocked

Possible CauseProcedure
Accumulation of soap or hair on stopperClean stopper
Pop-up lift mechanism too shortAdjust or replace lift mechanism
Clog in trap bend or armUse plunger or auger
Clean trap
Object dropped down drainRetrieve object from trap
Clog in drainpipe beyond trapAuger behind wall

Sink needs replacement

Possible CauseProcedure
Basin chipped, cracked, or discoloredHave sink replaced

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