- 1. Chain and
2. A knock in the engine when cold. After warming up to the optimal temperature of antifreeze and oil, the engine runs quietly, like clockwork. The valves were properly adjusted before 15k km (the car has 186k ​​km on the dashboard, I don't know what its history is and how real these 186k ​​km are), the head gasket was changed and, according to the mechanics, several valve lifters. The oil level is above the middle. I tried the noise detection method by touching a screwdriver to metal parts of the engine and listening with my hand to my ear. I seem to hear the loudest knocking on the fuel river (nozzles), but what logic is there for the knocking to stop when it warms up. The car has a gas system (LPG) , but the knocking is also on gasoline and propane butane. Is the chain very loose and does it need to be replaced quickly? I didn't get an error on the computer. Regarding the knocking, my mechanic told me that the valve clearances are left larger to get more miles until the next valve adjustment.
I feel the car a little slower and as if with slightly reduced power when accelerating. The turnovers in place have not changed.
I am attaching a link to the videos I shot, if there is a problem with the link please let me know.
Thanks in advance!https://e.pcloud.link/publink/show?code ... dpxB50Ntuy