Fixes might be blogged to help others — your data stays safe.

Fixing a Damaged Washing Machine Supply Line

Description of Issue

Published: 6/2/2025

Fix a Damaged Washing Machine Supply Line

Overview:

  • Repair Summary: This repair entails replacing the damaged washing machine supply line to prevent leaks and ensure proper water flow.
  • Estimated Time: Approximately 1-2 hours.
  • Skill Level: Intermediate.
  • Prerequisites: A clean workspace, dry environment, and prior knowledge of basic plumbing repairs.
  • Expected Outcome: A fully functional washing machine with a new, leak-free supply line.
  • Safety Precautions: Ensure the washing machine is turned off and disconnected from the power source before starting. Wear protective gloves and eyewear.

Tools Required:

  • Adjustable wrench or basin wrench
  • Channel-type pliers (for old hose removal)
  • Needle-nose pliers
  • Teflon tape
  • New washing machine supply line (hot and cold)
  • Bucket and towels (for water spillage)

Step-by-Step Repair Guide:

  • Turn Off the Power and Water Supply: Ensure the washing machine is turned off and disconnected from the power source. Locate the shut-off valves for the hot and cold water supply lines and turn them clockwise to shut off the water supply.
  • Disconnect the Old Supply Line: Use an adjustable wrench or basin wrench to loosen the nut holding the old supply line to the washing machine. Once loose, use channel-type pliers to remove any remaining parts of the old hose.
  • Remove Remaining Debris: Use needle-nose pliers to remove any debris or mineral buildup from the connection point on the washing machine.
  • Inspect and Clean the Area: Inspect the area for any signs of further damage or mineral deposits. Clean the area thoroughly to ensure a secure connection with the new supply line.
  • Install the New Supply Line: Take the new supply line and align it with the connection point on the washing machine. Hand-tighten the nut to secure it in place.
  • Tighten the Connection: Use the adjustable wrench or basin wrench to tighten the nut an additional 1-2 turns. Be careful not to overtighten.
  • Apply Teflon Tape: Apply Teflon tape to the threads of the new supply line to ensure a watertight seal.
  • Turn On the Water Supply and Power: Turn the shut-off valves counterclockwise to restore water supply. Plug the washing machine back into the power source.
  • Test for Leaks: Run a test cycle on the washing machine to check for leaks at the connection point.

Estimated Cost:

  • Replacement Parts: $20-$50 (new washing machine supply line)
  • Tools: $20-$50 (if not commonly owned)
  • Approximate Labor Cost: $100-$200 (if hiring a professional)

Tips and Warnings:

  • Regular Maintenance: Regularly inspect washing machine supply lines for signs of wear or damage to prevent unexpected leaks.
  • Avoid Over-Tightening: Be cautious not to overtighten connections, as this can cause damage to the threads.
  • Use Proper Materials: Ensure the new supply line is compatible with your washing machine model.
  • Safety First: Always turn off the power and water supply before performing repairs to avoid injury or further damage.

Related Videos