Quote:
Originally Posted by yuke
... can I purchase a fitting to put some air in the cyl...
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Did you check your compression by just pressing the rubber seal against an opening or do you have an adapter already?
pelicanparts sells one for $24 but it looks like you may have to remove the schrader valve from it:
https://www.pelicanparts.com/Mercedes-Benz/catalog/ShopCart/TOOL/POR_TOOL_MERCED_pg79.htm
Quote:
Originally Posted by moon161
Follow the instructions with the HF leakdown by the letter, including the part about max input pressure (?30 or 40 psi on the one I got?, anyways, you can break it if supply pressure is too high.
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OTC tolls makes the best leak-down tester. Most others are low pressure only and you have to set them up.