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OTC 6511 Fuel Line Disconnect Review

5

·

Very good

Revainrating 4.5 out of 5  
Rating 
4.6
⛽ Fuel System Tools, 🔧 Automotive Tools & Equipment

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Description of OTC 6511 Fuel Line Disconnect

Special low-profile design works in close quarters on GM Ford and Chrysler vehicles where there is limited clearance between the fuel line fittings and fuel filters fuel rails or sending units. Tool is designed to access the center port on the GM fuel tank sending unit. For 3/8" and 1/2" applications. Will also service 2001 - current 3/4- and 1-ton trucks with the Duramax diesel engines.

Reviews

Global ratings 5
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Type of review

Revainrating 5 out of 5

Metal fuel line disconnect tool

Very well made disconnect tool (METAL, not plastic). It made working with fittings over 16 years old on a 2001 Duramax fuel tank easier. Works very well. Just spray some WD40 on the fitting to loosen sand or rust. Great tool.

Pros
  • High marks for support and durability from testers
Cons
  • unreliable

Revainrating 3 out of 5

The tool itself is well built and I'm sure it will work well with the fittings.

I could not manage to remove the fuel filter on the 02 Chevy Tahoe Flex fuel no matter how hard I tried. The box even specifically said to remove the Chevy fuel filter. The tool itself is well built and I'm sure it will work well with large room setups.

Pros
  • Consistent test results
Cons
  • Very expensive

Revainrating 5 out of 5

MY GOD. you need it!

I don't know who came up with this fuel line connector design, but if you don't have this tool you won't be able to disassemble it. It will now sit in my tool box for 150 years before I need it again. Then when I need it, I can't find it and then I have to buy another one. Then, immediately after the arrival of a new one, I will immediately find the first one. Then I put them away and wait another 150 years before I need them again. The cycle never ends!

Pros
  • Few competitors
Cons
  • Compatibility

Revainrating 5 out of 5

Thank you OTC! Best in Fuel System Tools

I've bought round plastic tools and this one just in case one doesn't work. When they arrived I compared the business end side by side and both looked doable. However, the plastic 1/2" round nipple didn't work, but these scissors did. Additionally, the scissor format acts as a handle, giving you extra leverage by applying more pressure to get the release mechanism into that narrow fuel intake gap! I'm so glad I bought 2 just in case one didn't work if I had gone with the plastic it would have…

Pros
  • Hands free operation
Cons
  • Some cons