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Home >> Porsche >> 2019 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (20 Fuel Supply, Actuator 2.9L -- 95B - MACAN (95B)) >> WM, 200101 - Checking Fuel System (High-Pressure Side) >> Tools And Materials >> Approved Leak-Locating Gases (Test Media)

Approved Leak-Locating Gases (Test Media)

WARNING: This page is about a different car, the 2024 Porsche Macan, 2023 Porsche Macan, 2022 Porsche Macan, 2021 Porsche Macan, and 2020 Porsche Macan. 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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