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Flywheel Locking Tool - Neilsen - CT4979

Flywheel Locking Tool - Neilsen - CT4979

This Neilsen Flywheel Locking Tool is designed for Mercedes 1.8 and 2.1 Diesel engines (M651). It ...

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eBayMercedes M651 Flywheel Locking Tool 1.8 2.1 Diesel Crankshaft Front Pulley
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Product Information

Full details

This guide is for mechanics and DIY enthusiasts working on Mercedes 1.8 and 2.1 Diesel engines (M651). The Neilsen Flywheel Locking Tool (CT4979) allows you to safely lock the flywheel, making it easier to remove crankshaft front pulley fixings. A key consideration is ensuring proper alignment during installation for optimal performance.

All features

Model Part NumberCT4979
BrandNeilsen

Extended Product Information

FAQs

What engines is this tool compatible with?

This tool is designed for Mercedes 1.8 and 2.1 Diesel engines (M651).

What models of Mercedes is this tool compatible with?

It is compatible with A, B, C, CLA, E, GLA, GLK, and V Class models from 2008 onwards, as well as light commercial vehicles like Sprinter, Viano, and Vito.

How do I install the tool?

Remove the starter motor, align the tool with the flywheel, and bolt it in place using the starter motor mounting points.

What is the OEM equivalent part number?

The tool is equivalent to OEM part number 651 589 02 40 00.

Can I use this tool on other engine types?

No, this tool is specifically designed for the mentioned Mercedes diesel engines only.

What should I do if the tool doesn't seem to fit?

Double-check your engine and vehicle model against the tool's compatibility list. Ensure the starter motor has been removed correctly.

How should I care for and store the tool?

Store the tool in a clean, dry place. Wipe it down after use to remove any dirt or oil. Regularly inspect it for wear or damage.

Troubleshooting

Tool doesn't fit correctly

Double-check the engine and vehicle compatibility to ensure you have the correct tool for your specific model. Verify that you have removed the starter motor correctly before attempting installation.

Flywheel still rotates during use

Ensure the tool is fully engaged with the flywheel and that all bolts are securely tightened. Check for any obstructions preventing proper engagement.

Difficulty removing the crankshaft pulley bolt

Use a breaker bar or impact wrench, and ensure the tool is properly secured. Apply penetrating oil to the bolt if necessary.

Pros and Cons

Pros

  • Provides a secure and stable platform for removing crankshaft pulley fixings.
  • Specifically designed for Mercedes 1.8 and 2.1 Diesel engines, ensuring a proper fit.
  • Compatible with a wide range of Mercedes models and light commercial vehicles.
  • Easy to install and use, saving time and effort.
  • Durable construction for long-term reliability.

Cons

  • Requires removing the starter motor for installation.
  • Specific to the listed Mercedes engines; not a universal tool.
  • Proper alignment is crucial for correct functionality.
  • May require additional tools for pulley removal depending on the situation.

Setup, Compatibility & Care

Setup

  1. Engine Preparation: Ensure the engine is cool and the battery is disconnected for safety.
  2. Starter Motor Removal: Locate and remove the starter motor from the engine.
  3. Tool Installation: Align the locking tool with the flywheel and bolt it in place, using the existing starter motor mounting points.

Compatibility

  • Engines: Mercedes 1.8 and 2.1 Diesel engines (M651).
  • Vehicle Models: A, B, C, CLA, E, GLA, GLK, and V Class (2008 onwards), Sprinter, Viano, and Vito.

Care

  • Storage: Store the tool in a clean and dry place.
  • Cleaning: Wipe down the tool after use to remove any dirt or oil.
  • Inspection: Regularly inspect the tool for any signs of wear or damage.

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