
Bosch · Part number HR6DC · NZ$16.00 incl. GST
Keep your classic Peugeot 505 or Holden Commodore purring like a kitten with fresh spark plugs!
NZ$16.00 including GST. Part number HR6DC.
Give Your Classic a Sparkle: Spark Plug Replacement Guide — Featuring BOSCH
> Time to ditch those tired spark plugs in your old-school Peugeot 505 or Holden Commodore? Buggered spark plugs can cause all sorts of grief – misfires, poor fuel economy, and a rough idle. Swapping them out is a no-brainer for keeping your engine sweet, especially in these older machines.
Symptoms That Led You Here
• Engine's misfiring, making it idle rough and hesitate when you put your foot down.
• Your gas mileage has gone down the drain because of incomplete combustion.
• The engine struggles to start, especially on those frosty mornings.
• Your exhaust emissions are up, which might mean a WOF failure.
• The spark plug electrodes are visibly worn or damaged.
Will it pass WOF?
Worn spark plugs? That's a quick way to fail your WOF thanks to excessive emissions. Best get them sorted!
DIY or Workshop?
Difficulty: 6/10
Estimated Time: 1-2 hours
Tools Required: Spark plug socket, ratchet, torque wrench, spark plug gap tool, and maybe an extension bar.
Expert Recommendation
Swapping out those spark plugs is vital for keeping older rides like the Peugeot 505 and Holden Commodore running smoothly and efficiently. Pop into Bob's Shop – I'm always up for a yarn and helping you find the perfect bits for your classic!
🛠️ Bob's "Get It Done Right" Companion Checklist
Before you get cracking, grab these essentials to make the job a breeze and keep things tidy:
• Safety First!: Always wear safety glasses to protect your peepers from any flying grit or bits.
• Glove Up: Keep those hands clean and protected with a pair of nitrile gloves. No one likes greasy paws!
• Spark Plug Socket: Using the correct sized socket will help prevent damage to the spark plugs during removal and installation.
• Cleanliness Counts: Before you pull those old plugs, give the area around them a good clean with a blast of Brake Cleaner. This stops any crud from falling into the cylinders.
• Gap Check: If you're not using pre-gapped plugs, use a spark plug gap tool to ensure the gap is set to the vehicle manufacturer's specifications.
Fitment Notes
Double-check you're using the right spark plug type and gap for your engine. Your car's service manual will have all the details. Some models might need special tools or tricks for spark plug replacement.
Swing by Bob's Shop - I'm always here to help you out!
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🛠️ Bob's Pro Tip: Do the Job Right!
> If you're replacing this spark plug, make sure you've got the right workshop prep, protection, and safety gear ready. Taking a bit of extra time and using the proper safety stands and cleaners makes all the difference for a professional result!
🧰 What Else You'll Need:
• Safety First: Always secure your vehicle on heavy-duty safety jack stands before working underneath. Never rely solely on a hydraulic jack.
• Clean Hands: Keep a pack of Nitrile Gloves handy to protect your skin from grease, oils, and chemical sprays.
• Preparation: Have microfibre towels and a suitable parts cleaner nearby to keep components clean during installation.