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Car: Zastava 750L from 1976 Video topic: Why did the gasket fail? How to drive a car with a damaged gasket? What all needs to be removed from the supporting components in order to replace the gasket? Preparing the head and block, cleaning, lubricating Tightening forces and factory recommendations (What I didn't mention in the material used for the video is that the recommended bolts can be those already used, but the thread must not be lubricated, not even the bolt heads, the thread on the bolts and the one in the block must be clean because these are small things that can affect this modest force figure of 30Nm with which this head is tightened) Checking the tension after a certain mileage and adjusting the valves (the valve clearance is set to 0.15mm for a cold engine or 0.20mm for an engine heated to 80*C) At the very end, a new detail as a gift from a friend who is an old-timer Music: Slynk - The Bone Train Patrick Patrikios - Lights