All Things Mk5 > How to Guides / Troubleshooting
hissing noise on boost revo stage 2 running 0.5 bar
robmcclel:
--- Quote from: joms6r on April 02, 2015, 09:56:02 am ---When we fitted the intercooler on my mk6 the o-ring didnt go back in properly where the hard pipe connects to the silicone pipe on the drivers side, and that gave the same issues as what you've described, might be worth checking?
--- End quote ---
^^I second that. When I fitted a new intercooler on my MK5 the o-ring moved as a pushed the pipe in and gave a loud hissing noise, definitely worth checking intercooler pipework for leaks.
woolley2021:
Ah ok ut has had the pipes changed to blue ones so maybe this could be the cause .. when you say Oring the ones which sit around the cooler pipes and drop down into a Grove on the metal pipe ?
robmcclel:
Mine have been changed for blue ones, yes the o-ring is the one that sits in the grove on the metal connector, also check that the hose clips used to tighten the silicone pipes onto the metal connector are tight too! If I remember correctly forge recommend tightening all hose clips are so many miles (500 I think) as they will loosen slightly as they bed in.
woolley2021:
Just checked all orings seated correctly ! So annoying I have no got a boost leak tester the kind you attach to intake can someone please advice me on correct way to use this ?
Dan_FR:
Have you checked the Revo settings yet? Have you logged with VCDS to check specified vs. actual?
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