How to Replace a Bosch Washing Machine Drain Hose: A Step-by-Step Guide

Updated at: 16/05/2025

Bosch washing machines are renowned for their reliability and efficiency, but even the best appliances require occasional maintenance. One such task that may become necessary over time is replacing the drain hose. A worn or damaged drain hose can lead to leaks, water damage, and ultimately, costly repairs. Knowing how to replace this crucial component yourself can save you money and ensure your washing machine continues to function optimally. A faulty hose is not only inconvenient but can also pose a risk of flooding your laundry room.

This step-by-step guide will walk you through the entire process of replacing your Bosch washing machine's drain hose, from safely disconnecting the old hose to securely attaching the new one. Whether you're a seasoned DIY enthusiast or a complete novice, we'll provide clear instructions and helpful tips to ensure a smooth and successful replacement. Let's get started!

Preparation and Safety Guidelines

Tools Needed
  • Torx head screwdriver
  • Flat-headed screwdriver (optional)
  • Pliers (optional)
  • Marker pen
  • Towel
Safety Guidelines
  • Always disconnect the washing machine from the power supply before starting any work. Failure to do so could result in electric shock.
  • Place a bucket or container beneath the drain hose to catch any remaining water. This prevents spills and potential water damage.
  • Use appropriate pliers or other tools to securely fasten the new drain hose clamps. A loose connection can lead to leaks.

Step-by-Step Instructions

  1. Preparation

    • Disconnect the appliance and locate the correct spare part using your model details on the espares website.

  2. Access the Drain Hose

    • Remove the back panel by unscrewing the Torx head screw at the bottom.
    • Lay the washing machine on its back carefully. Remove the filter cover and kick plate.
    • Unscrew the Torx head screw holding the pump chamber and tilt it back to access the drain hose.
    Unscrew the Torx head screw holding the pump chamber and tilt it back to access the drain hose.Unscrew the Torx head screw holding the pump chamber and tilt it back to access the drain hose.
    Access the Drain Hose

  3. Remove Old Drain Hose

    • Remove the drain hose clips. The top clip can usually be removed by hand; the lower clips may require pliers.
    • Remove the Jubilee clip securing the drain hose to the pump chamber using pliers. Be prepared for water spillage.
    • Remove the old drain hose.
    Remove the old drain hose.Remove the old drain hose.Remove the old drain hose.
    Remove Old Drain Hose

  4. Install New Drain Hose

    • Mark the hose with a marker pen to remember its length inside the machine.
    • Transfer the clips from the old hose to the new hose.
    • Insert the new drain hose into the machine up to the marked length.
    • Secure the new hose clips.
    Secure the new hose clips.Secure the new hose clips.Secure the new hose clips.
    Install New Drain Hose

  5. Reassembly

    • Reposition the clips on the back of the cabinet from inside.
    • Refit the back panel and lay the machine back on its feet.
    • Connect the new hose to the pump chamber, secure with the Jubilee clip, and refit the pump chamber.
    • Refit the kick panel, making sure to route the emergency drain hose correctly and secure the clips.
    Refit the kick panel, making sure to route the emergency drain hose correctly and secure the clips.Refit the kick panel, making sure to route the emergency drain hose correctly and secure the clips.Refit the kick panel, making sure to route the emergency drain hose correctly and secure the clips.Refit the kick panel, making sure to route the emergency drain hose correctly and secure the clips.
    Reassembly
    • Refit the filter cover.
    Refit the filter cover.
    Reassembly

Read more: Fix Washing Machine Won't Spin: Quick & Easy Motor Coupler Replacement

Tips

  • Always disconnect the appliance before starting the repair.
  • Use a towel to protect the floor from potential water spillage.
  • Carefully handle the washing machine as it is heavy.
  • Be careful not to cut yourself on any sharp pieces inside the cabinet.

Common Mistakes to Avoid

1. Incorrect Hose Placement

Reason: The drain hose is not properly secured to the washing machine or the standpipe, leading to leaks or disconnections.
Solution: Ensure the hose is firmly clamped onto both the washing machine outlet and the standpipe, following the manufacturer's instructions.

2. Ignoring the Hose Height Requirements

Reason: The drain hose is positioned too low or too high, resulting in inefficient drainage or overflow.
Solution: Maintain the correct hose height as specified in the washing machine's manual to ensure proper drainage.

3. Using the Wrong Type of Hose

Reason: Using a hose with an incompatible diameter or material can lead to leaks, clogs, or damage to the washing machine.
Solution: Always use a replacement hose that is specifically designed for washing machines and matches the specifications of the original hose.

FAQs

How do I know if my Bosch washing machine drain hose needs replacing?
Look for visible cracks, kinks, or bulges in the hose. Also, check for any leaks or signs of water damage around the hose connection points. If the hose feels brittle or unusually soft, it's likely time for a replacement.
What size drain hose do I need for my Bosch washing machine?
The size of the drain hose you need will depend on your specific Bosch washing machine model. Check your machine's user manual for the correct specifications, or look for the size printed on your old hose. The diameter is crucial for a proper fit.
Can I use any drain hose, or does it have to be a Bosch-specific hose?
While you can sometimes use a generic drain hose, it's generally recommended to use a hose specifically designed for washing machines, and preferably one that is the correct length and diameter. Using an unsuitable hose may compromise the seal or even cause damage.