Questions tagged [cylinder-leakdown]

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Piston leaked 1 cup of alcohol in 1 hr

I am analyzing a cylinder leakdown across all 6 cylinders of about 90% in each cylinder. After repeatedly confirming it wasn't the valves or the head gasket, I removed one of the heads and poured 1 ...
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Likelihood of every piston ring corroding the same rate

I performed a rebuild of my both cylinder heads on a V6 engine, in order to grind leaky valves. I performed a test of each valve pouring isopropyl alcohol in the intake/exhaust chamber and waiting ...
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Effects of intake valves leaking

I just measured cylinder leakdown rates on my 2007 Tacoma V6. 5 out of the 6 cylinders had retention rates of 75-85% (leaking 15-25%) but my cylinder 4 (left engine bank in the middle) was leaking ...
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Cylinder leakdown threshold

I did a cylinder leakdown test on my 6 cylinders and they range at 75-80% retention, meaning 20-25% leaking. What is an acceptable rate of cylinder leaking? If the leak in a certain cylinder is higher ...
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