As a vehicle's engine operates, the intake and exhaust valves open and close rapidly while the pistons move up and down in the cylinder. These mechanical actions require a constant supply of hot oil ...
Vehicle engines have many moving parts that require a constant oil supply or need to be shielded from it. Valve cover gaskets, among other gaskets, keep oil where it is needed and prevent leaks to ...
Q: I have a 2004 Toyota Sienna XLE Limited. According to my Toyota dealership, the valve cover gaskets are leaking. They determined this during a routine check when I went for an oil change. I have ...
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