Review of OTC 7937 Transmission Oil Cooler Line Disconnect Tool for GM

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Excellent tool to have in your box. If you own a late model car/truck, this quick trans line disconnect tool is a must have for your toolbox.

1. Blow out the dust/dirt from the connector

2. Slide in this tool to the quick disconnect clip

3. Rotate the tool which will expand the E-clip

4. Pull out the line.

Necessity for hard to reach places such as the cooler lines on the transmission, at the radiator, and junction spots such as on the Trailblazers.

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Worked like a champ after removing the plastic line cover and getting the "feel" of where the spring clamp actually was.

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This is a very simple tool that will save you headaches if you work on gm transmissions. It is very simple to use and works like a charm. I highly recommend this tool for disconnecting transmission oil cooler lines.

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This is one of the biggest rip offs that I have ever used, piece of crap wish that I could get my money back.

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Disconnects quick couplings on GM transmission cooler lines. Small enough to work in tight areas. Will disconnect the couplings on my 2001 Silverado's transmission and transmission lines at the cooler and radiator.