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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Help with building cap for pressure bleeder for X40Views : 938 Replies : 9Users Viewing This Thread : |
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Oct 21st, 2019, 18:25 | #1 |
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Last Online: Jul 16th, 2020 21:26
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Location: sweden
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Help with building cap for pressure bleeder for X40
I'm trying to build a pressure bleeder cap but have ran into some issues.
When I pressurize the container the air escapes instantly. I believe it's either the cut-outs in the threads or the rubber gasket not forming a solid seal. I've checked the valve stem and it forms a good seal. Any pictures or help is appreciated. Thanks |
Oct 27th, 2019, 20:19 | #2 |
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Last Online: Apr 17th, 2024 20:11
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Location: LYON
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Hi,
I think you have to make a thick gasket. I have made one for my V40, and I had to make 10 or 15 mm gasket to avoid the leaks. Hope this helps. |
Nov 7th, 2019, 16:32 | #3 |
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Last Online: Jul 16th, 2020 21:26
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Thanks for the answer. I have some questions.
Did you remove the original rubber seal? Did you use silicone to create the gasket? Do you have any picture you can share? Much appreciated for helping me |
Nov 7th, 2019, 16:42 | #4 |
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Last Online: Yesterday 22:50
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Location: Northampton
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The original seal is designed to let the air in in order for the bellows to follow the drop in fluid. I gave up trying to get a good seal and abandoned the idea of pressure bleeding. All my other cars are pressure bled with no problem, but with the V40, 'er indoors gets called upon to press the pedal.
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2001 V40 2.0lt Sport lux - Daily Driver. 174k miles. 2003 C70 2.4 GT Convertible - Garage Queen. 65k miles. http://www.neptuno6benagil.com |
Nov 8th, 2019, 20:23 | #5 |
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Last Online: Apr 17th, 2024 20:11
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Hi v40club,
I did remove the original seal, and didn't use silicone. I'll try to get some pictures this weekend. |
Nov 8th, 2019, 20:54 | #6 |
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Last Online: Apr 22nd, 2024 06:42
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Might sound stupid , but I am sure that in the dim & distant past I used the cap from a 25lt oil drum for this purpose . I used a thick O ring coated with RED RUBBER GREASE as it is non damaging to hydraulic systems / brake fluid / seals & meant for that purpose
Nothing ventured , nothing gained
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