SOURCE: TOYOTA RAV 4 - 2002
Hi
A hydro-lock in the affected cylinder.
An excess amount of fluid (oil, coolant, water) makes its way into the affected cylinder via cylinder head or head gasket failure for instance, or even by driving through a large body of water.
Unfortunately, fluids cannot be compressed, and hence once the piston rises on its compression stroke, it locks out against the fluid at some point before top dead center, and the conrod either bends or breaks, because the crankshaft will attempt to carry on turning, and the piston will still try to reach top dead center.
Very best regards
Geordie
58 views
Usually answered in minutes!
×