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This Laser Tools Alternator Tool is designed for automotive mechanics and DIY enthusiasts working on Bosch alternators. Its primary benefit is simplifying the assembly and dismantling of the free-wheel pulley, a common task when changing an alternator or pulley. A key consideration is its specific compatibility with T50 Star (Torx) bits and 1/2" drive systems. The tool features a 109mm length, a T50 Star bit for holding the pulley shaft, and a 33-tooth union nut with a 19mm spanner fitting for releasing the nut.
| Model Part Number | 3404 |
|---|---|
| Brand | Laser |
This tool is designed specifically for Bosch alternators that feature a free-wheel pulley system compatible with a T50 Star (Torx) bit.
You will need a 1/2" drive socket wrench or breaker bar and a 19mm spanner.
'Star T50' refers to a Torx (6-sided) bit size T50. It is used here to hold the alternator pulley shaft stationary.
Insert the T50 bit to lock the shaft, attach your 1/2" drive wrench to the tool, and use a 19mm spanner on the union nut to loosen it while holding the pulley stationary.
It is designed for Bosch alternators with the specified free-wheel pulley system. Always visually confirm compatibility with your specific alternator model before purchase.
The tool is 109mm long.
Yes, the tool facilitates both the dismantling and assembly of the free-wheel pulley.
Verify that the alternator is a Bosch unit and that the pulley shaft is designed for a T50 Star (Torx) fitting. This tool is not compatible with other bit sizes or pulley types.
Ensure the T50 Star bit is fully engaged in the pulley shaft and the 1/2" drive socket is securely attached. Check that the 19mm spanner is properly seated on the union nut flats.
Apply steady, consistent pressure with the 1/2" drive wrench. If the nut is seized, a penetrating lubricant may be helpful, applied sparingly around the nut and allowed to soak. Ensure the 19mm spanner is not slipping.
Cease use immediately and inspect the T50 bit and union nut teeth. If significant wear or damage is present, the tool may need replacement to avoid further damage to the alternator or loss of grip.
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