Pressurized air is applied to each cylinder then monitored for a level of leakage The complete kit includes pressure regulated manifold with dual gauges, 24 in Generally leak down testers are good for engines up to 15 liters in displacement, so any tester that will work with your adapters should work fine. Choose leakdown testers from otc tools, performance tool, moroso, and more Insert compression tester adapter into glow plug hole Attach new leak down tester, with air now flowing to cylinder, recheck pressure valve at the compressor, verify maintaining 100psi for accuracy.
This workshop diesel compression tester and leak down tester is designed for the modern day diesel engine which are mainly tested via the glow plug holes Also included in the kit is a dummy shaft and a variety of shims and clamps which allow you to shim to the size of the vehicle's injector and test through the injector port.
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