Oil pan with installed drain bolt next to V-COIL oil drain plug repair kit in workshop setting.

Defective oil drain plug? How to repair the thread quickly

When the oil drain thread fails – a common problem

A leaking oil drain thread is not an uncommon issue. Whether during an oil change at the workshop or when doing it yourself in the garage – an over-tightened or stripped thread on the oil pan can happen quickly.

The result: The drain plug sits loosely, oil leaks out, and both the engine and the environment are at risk.

But the good news is: In many cases, the damaged thread can be easily repaired – without the costly replacement of the entire oil pan. VÖLKEL Threading Solutions offers a quick and reliable solution with the V-COIL Oil Drain Plug Repair Kit.


Why do oil drain threads fail?

Oil pans are often made of thin-walled sheet metal or aluminum. These materials are prone to damage if the drain plug is overtightened or screwed in and out repeatedly.

Over time, the thread grooves can wear out or tear completely. This problem is particularly common with older vehicles or improper oil changes.

The result: The thread no longer seals properly – oil loss is inevitable.


The consequences of a defective thread

A loose oil drain thread is not only annoying but also risky:

  • Engine damage: If oil is missing in the engine, major engine failure due to lack of lubrication is likely.
  • Environmental pollution: Leaking oil contaminates soil and water.
  • Costs: Replacing an entire oil pan is time-consuming and expensive.

That’s why repairing the thread is worthwhile – and this is where V-COIL comes into play.


The solution: V-COIL Oil Drain Plug Repair Kit

With the V-COIL Repair Kit, you can repair a damaged oil drain thread quickly and reliably – directly on the installed oil pan. No removal, no special tools required.

The set includes:

All you need is a 16 mm socket and a ratchet. Alternatively, the drive can also be operated with an open-end or ring spanner, or with a cordless drill.

Our range includes not only a large set with all five sizes, but also smaller sets and kits tailored to individual dimensions.


How the repair works – step by step

  1. Choose the correct size: The set includes various sizes, so you’re prepared for almost any oil pan.
  2. Drill out the old thread: Use the included tap to enlarge the damaged thread.
  3. Insert the new screw: Screw in and tighten the suitable drain plug with its seal – done.

No drilling out, no coil inserts, and no oil pan removal – a quick on-the-spot solution appreciated by both workshops and DIY mechanics.


Applications of the V-COIL Repair Kit

  • Ideal for cars, motorcycles, and commercial vehicles
  • Works with oil pans made of aluminum, steel, or cast iron

Thanks to its immediate usability, you can get vehicles back on the road in no time – without long downtimes.


Advantages of the V-COIL solution at a glance

  • Immediate repair without removal
  • Precision-fit components straight from the factory
  • Available for multiple thread sizes
  • High quality from VÖLKEL – experts in threading technology

The sets are available from stock and can be ordered directly – whether for professional use or your private workshop.


Oil pan with installed drain bolt next to V-COIL oil drain plug repair kit in workshop setting.

Conclusion: Repair instead of replacing

A damaged oil drain thread does not have to mean the end of the oil pan. With the V-COIL Repair Kit from VÖLKEL, the problem can be solved quickly, safely, and cost-effectively – without complicated workshop procedures.

Available now: Order the V-COIL Oil Drain Plug Repair Kit here


FAQ – Frequently Asked Questions

Which sizes are available?

The repair kit is available in five common sizes (e.g., M13x1.5, M15x1.5, M17x1.5, M20x1.5, M24x1.5) or as a larger set.

Can I perform the repair myself?

Yes, no special tools are required. A 16 mm socket with a ratchet is sufficient. Alternatively, the drive can also be operated with an open-end or ring spanner, or a cordless drill.

Do I need to remove the oil pan?

No, the repair is performed directly on the installed component.

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