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How to change your wiper blades

Overview

Clear visibility in wet or muddy conditions is essential, and if your windscreen wiper blades are leaving streaks, squeaking, or missing spots, it might be time to replace the wiper blades. Luckily, it’s a simple D.I.Y. task that doesn’t take long, and it’ll make a huge difference the next time you’re driving in the rain. Here's how to change your wiper blades at home. 

Safety tip: Always wear the appropriate safety equipment (safety glasses, gloves, ear muffs and a mask, for example) and always follow the instructions for the product or equipment. 

Tools and materials

    Steps

    1Check the blade sizes

    Before you start, you’ll need to figure out what size wiper blades your car uses. The sizes can vary between the driver’s side, passenger side, and rear window, so it’s important to check each one. You’ll usually find this information in your vehicle’s manual or on the packaging of the new wiper blades. Most packaging will list compatible makes and models, so be sure to match them up before purchasing.
    Instruction about windshield wiper instructions

    2Lift the wiper arm

    Once you’ve got the right replacements, lift one of the wiper arms away from the windscreen. It should click into a locked, upright position. Keep a firm grip on it as you work - the tension in the arm means it can snap back quickly, and if it hits the glass without a blade attached, it could cause damage. If you’re not fitting the new blade straight away, rest the wiper arm gently on a towel or cloth to protect the windscreen.
    Holding two packets of windshield wiper blades

    3Remove the old wiper blade

    Most wiper blades are attached using a hook fitting—commonly referred to as a J-hook. Look for the small clip or tab where the blade connects to the arm. Press or slide the tab, then carefully slide the wiper blade downwards toward the windscreen to unhook it. Some may need a little wiggle to come loose, but avoid forcing it. Once removed, set the old blade aside and keep the wiper arm protected until you’re ready to install the new one.
    Remove the old wiper blade

    4Attach the new blade

    Take your new wiper blade and slide it into the arm’s hook fitting. You’ll hear a click once it’s locked in. Give it a gentle tug to make sure it’s properly secured. When you're confident it’s in place, slowly lower the arm back onto the windscreen.

    Repeat the same process for the passenger side wiper. If your vehicle has a rear wiper, don’t forget to check and replace that one too. Blade sizes are often different, so double-check your manual or product packaging to make sure each blade fits correctly. 

    Attach windshield wiper blade to windshield wiper arm

    5Give them a test

    Once all the wiper blades are in place, hop into your car and give them a quick test. A few sprays of washer fluid and a few passes across the windscreen will let you know everything is working properly.
    Test the wiper blades by spraying water and a few passes across the windscreen

    6Now that you’ve changed your wiper blades

    Health & Safety

    Asbestos, lead-based paints and copper chromium arsenic (CCA) treated timber are health hazards you need to look out for when renovating older homes. These substances can easily be disturbed when renovating and exposure to them can cause a range of life-threatening diseases and conditions including cancer. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page.

    When following our advice in our D.I.Y. videos, make sure you use all equipment, including PPE, safely by following the manufacturer’s instructions. Check that the equipment is suitable for the task and that PPE fits properly. If you are unsure, hire an expert to do the job or talk to a Bunnings Team Member.