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Home >> Porsche >> 2017 >> Macan GTS >> Repair and Diagnosis >> External Pages >> Different car >> Section 796 (24 - Fuel System - Electronic Ignition 4.8L Turbo -- 970 - PANAMERA (970)) >> WM, 243001 Checking Fuel Collection Pipe For Leaks >> Tools And Materials >> Approved Leak-Locating Gases (Test Media)

Approved Leak-Locating Gases (Test Media)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 Porsche Panamera, 2015 Porsche Panamera, 2014 Porsche Panamera, 2013 Porsche Panamera, and 2012 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.
Leak-locating gas (test medium) Designation Composition/purity
Helium He (gaseous, compressed)
  • 4.6 (minimum quality)
  • 5.0, etc.
  • 99.996 volume % (4.6) He
  • 99.999 volume % (5.0) He
  not balloon gas!   
Forming gas
  • Forming gas 5
  • 95% nitrogen N2 and 5% hydrogen H2
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