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Parts for your 2003 Holden Commodore-Batteries

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Narva LED Work Lamp - 9V-36V - 72358

Narva LED Work Lamp - 9V-36V - 72358

$84
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Repco 12-24V LED License Plate Lamp - RLL41

Repco 12-24V LED License Plate Lamp - RLL41

$43
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Hella Headlight Adjuster - 15297700

Hella Headlight Adjuster - 15297700

$32
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Explore 4WD & Adventure

OEX Standard Blade Fuse Assortment - Pack of 5 - ACX1610BL
OEX

OEX Standard Blade Fuse Assortment - Pack of 5 - ACX1610BL

$7
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Narva Jumper Leads Surge Protected 3.7m - BC50MM

Narva Jumper Leads Surge Protected 3.7m - BC50MM

$234
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LEDAUT - 7inch LED Headlight -Pack Of 2

LEDAUT - 7inch LED Headlight -Pack Of 2

$1,499
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OEX  Neutral Start Switch

OEX Neutral Start Switch

$72
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Narva 5m Heavy Duty Accessory Extension Lead - 81047BL

Narva 5m Heavy Duty Accessory Extension Lead - 81047BL

$71
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OEX Cable Lug 50-10 0B&S 90 Degree 10Pk - ACX0144
OEX

OEX Cable Lug 50-10 0B&S 90 Degree 10Pk - ACX0144

$96
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OEX Midi Fuse, 80A Bolt On - Single Pack - ACX6508BL
OEX

OEX Midi Fuse, 80A Bolt On - Single Pack - ACX6508BL

$10
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OEX Stud Terminal Insulator End Entry Red - ACX3122
OEX

OEX Stud Terminal Insulator End Entry Red - ACX3122

$13
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Drivetech 4x4 DC-DC Wiring Kit - 5m - DT-02022W5

Drivetech 4x4 DC-DC Wiring Kit - 5m - DT-02022W5

$415
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Narva Cable Lug 10mm2 8mm Stud Flared End - 57121

Narva Cable Lug 10mm2 8mm Stud Flared End - 57121

$3
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Narva Black Switch Decal Set - 4WD - 63176BL
Clearance

Narva Black Switch Decal Set - 4WD - 63176BL

$2
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VDO Digital Hour Meter - Resettable - 331.535
VDO

VDO Digital Hour Meter - Resettable - 331.535

$295
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Repco 12V LED Bullbar Marker/Indicator Pair - RLM1752

Repco 12V LED Bullbar Marker/Indicator Pair - RLM1752

$217
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Stedi EVO Lightbar 45-53mm Clam Bracket - ST-11-EVO-045

Stedi EVO Lightbar 45-53mm Clam Bracket - ST-11-EVO-045

$199
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VDO Fuel Gauge 12V 10- 180 Ohms 52mm - 301010011
VDO

VDO Fuel Gauge 12V 10- 180 Ohms 52mm - 301010011

$147
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Showing 1249 - 1287 of 6078 products

Maintaining and Replacing the Battery of Your 2003 Holden Commodore

The 2003 Holden Commodore, known for its reliability and robust performance, is equipped with a standard automotive battery, critical for starting the engine and powering the electrical systems. Checking and maintaining this component is an essential part of vehicle care that ensures smooth operation and prevents inconvenient breakdowns. Here, we explore the key steps in battery maintenance and replacement for your Holden Commodore.

A healthy car battery is vital, as it provides the necessary juice the starter requires to crank the engine and keeps all electrical components, like lights and the stereo, operational when the engine is off. Over time, batteries lose their capacity and efficiency, especially under adverse weather conditions or due to frequent short trips. Thankfully, a few straightforward steps help extend the life of your battery and maintain your car in top shape.

  1. Regular Inspection

    To start, regular inspection of your battery ensures that it's in good working condition. Check for signs of corrosion, swelling, or leaks around the terminals. Corrosion appears as a white, ashy substance around the battery posts and clamps. Cleaning this off with a battery cleaner or a paste of baking soda and water can help maintain a good connection.

  2. Checking Connections

    Ensure the battery terminals are tight and free from grime. Loose connections can lead to intermittent power loss and might cause starting problems. Use a wrench to carefully tighten them if you notice any wiggle room.

  3. Load Testing

    If you suspect your battery is losing its charge quickly, a load test could be in order. Many automotive shops offer this service, or you could pick up a load tester for a reasonable price and do it yourself. This test checks the battery's ability to hold voltage while under load, which can indicate its health and efficiency.

Should your battery show signs of failure or test poorly, it may be time for replacement. Here's a guideline for replacing the battery in your 2003 Holden Commodore:

  1. Select the Right Battery

    Your Commodore requires a specific type of battery, usually, an automotive battery with the correct cold cranking amps (CCA) for optimal performance. Consult your vehicle manual to identify the correct size and capacity, ensuring compatibility with your vehicle's requirements.

  2. Safety First

    When replacing the battery, safety is paramount. Ensure the engine is turned off, the parking brake is engaged, and remove any metal jewellery. Open the bonnet and identify the battery's location. Most Holden Commodores have it situated near the engine bay.

  3. Remove the Old Battery

    First, disconnect the negative terminal followed by the positive terminal. This mitigates the risk of short-circuiting. Use a wrench to loosen the terminals. After disconnecting, remove any hold-down clamps or brackets securing the battery. Carefully lift the old battery out, keeping it upright to avoid any acid spills.

  4. Install the New Battery

    Position the new battery within the tray, ensuring it's firmly seated. Secure it using the hold-down clamps then connect the positive terminal first followed by the negative terminal. Tighten the clamps with your wrench.

After installation, start your vehicle to ensure the new battery is functioning correctly. Dispose of your old battery responsibly by returning it to a recycling centre or an automotive store that offers disposal services. Batteries are recyclable, and returning them ensures components do not end up in landfills.

Regular battery maintenance and timely replacement significantly enhance the overall reliability of your Holden Commodore. Maintain good electrical health by incorporating these steps into your maintenance routine, and enjoy your trustworthy ride for many years. With just a bit of attention, you'll keep your Commodore purring along with all cylinders firing smoothly.