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Maintain a Gas Grill

What could be more frustrating than heading outdoors for a cookout, only to find out your grill won’t start? A little time and effort once or twice a year will prolong the life of your grill. We’ll show you how to tackle a few common problems to keep your gas grill cooking all season.

Checking Your Grill’s Parts

Before you begin maintenance work on your grill, make sure that all fuel sources are turned off and that the unit legs are stable.

Step 1

Refer to the grill manufacturer’s instructions for maintenance information on grill. Typically, the owner’s manual also includes information on replacement parts.

Step 2

At least once a year, visually inspect the grill’s burners, cooking grates, ignition and fuel line hoses. If you see anything that looks rusted or worn, replace it. Check your owner's manual or grill manufacturer's website for specific parts information. Clean other grill components as needed.

Good to Know

Make sure you know the model of your grill so you order the correct parts.

Checking for Gas Leaks

For safety, perform a leak test on the grill’s fuel line and connections every month.

Step 1

Apply a solution of dish soap and water on all fuel lines and connections with a clean brush. You can use a clean basting brush from your grill. Rinse the brush thoroughly before basting food.

Step 2

Turn on the gas.

Step 3

Coat the lines with soap again.

Step 4

If you see any bubbles forming, there's a leak. Recheck as needed.

Step 5

Turn off the gas.

Step 6

Tighten or replace fittings, or replace the hose, if the leak occurred along the line.

Lighting the Grill

Follow these steps if your grill doesn't light.

Step 1

check gas gauge.

Check the fuel source.

  • If hooked up to a propane tank, check the tank gauge to verify that it has fuel. Weight-gauges (indicating fuel level by the weight of the tank) must move freely to be accurate.
  • Another way to check the level is to slowly pour warm water down the side of the tank. Slide your hand down the tank, and where the water gets cold marks the level of propane.
  • You can exchange your empty propane tanks at Lowe’s.

Step 2

check pressure regulator.

Inspect the pressure regulator. Make sure it's firmly attached to the tank and that the valve is turned on, typically counter-clockwise.

Step 3

light grill.

If that seems to be in working order, try manually lighting your grill. Use a grill lighter to keep your hand a safe distance away from the burner.

  • If the grill lights, proceed to Step 4.
  • If the grill doesn't light, proceed to Step 6.

Step 4

check batteries.

The igniter may be the problem. For electric igniters, check the battery. The owner's manual will note its location and requirements.

    Step 5

    clean the electrodes.

    If fresh batteries don’t fix it, the problem might be the igniter electrodes.

    • Visually inspect the tips to ensure that they're clean and not broken. You can clean the electrodes with rubbing alcohol.
    • Make sure that they're aligned correctly.
    • If not, check your manufacturer's instructions. They may need to be replaced.

    Step 6

    check burners.

    If the grill won’t manually light, make sure the burner is installed correctly. Consider cleaning or replacing burners.

    Step 7

    If the grill still won’t light, refer to the manufacturer’s instructions for specific parts and procedures, or contact the manufacturer for additional recommendations.

    Cleaning the Grill’s Exterior

    For safety and aesthetics, make sure that the exterior of your grill is clean and protected.

    • For stainless steel grill exteriors, ask a Lowe’s associate for the appropriate stainless steel grill finish restoration products, and apply following the manufacturer’s directions.
    • For painted or enameled grill exteriors, use sandpaper and high-temperature paint. Sand off any corrosion, and scrape away any flaked paint. Wash the grill surface, and allow it to air-dry thoroughly. Apply high-temperature paint either as a spray or with a paintbrush following the manufacturer’s instructions.
    Good to Know

    Consider a grill cover for your grill once it's been cleaned. It’s the best way to protect it from the elements.
    Shop Grill Covers