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interference engine(2)
malopr
Posted: Sunday, October 18, 2009 3:05 PM
Joined: 3/26/2008
Posts: 50


I would like to know if the engine on a 1992 Lexus ES300 V6 is an interference engin Thank you you guys are the best
NickD
Posted: Friday, October 23, 2009 5:34 PM
Joined: 8/28/2009
Posts: 3


My pals at lexus say say NO . In case you or others do not know what that is here ya go. There are two types of engines that use timing belts. They are described as: "Interference Engines" and "Non-interference Engines" The difference lies in the proximity between the valves and the pistons. On an interference engine, if the timing belt slips even one notch, the piston can crash into an open valve causing serious engine damage by bending valves and breaking pistons. Non-interference engines will usually not self destruct, but in either case if the belt fails, the engine will immediately shut down leaving you stranded. Timing belts fail without warning and on some vehicles, are almost as hard to check as they are to change. In most cases, your only protection is to change the belt at the recommended intervals. Timing belt replacement is not a cheap job but it is far less costly than the alternative.