1 1 mazda 6 Kai Expressway needs to replace the cylinder gasket because of the high water temperature.

1. Remove the battery cable (cut off the power supply of the whole vehicle) and drain the water in the water tank or cylinder.

2. Connect all wire sockets (throttle, stepping motor, generator, fuel injector, water temperature sensor, etc.) on the cylinder head. When removing the plug and steel wire, oil supply rack, oil inlet and outlet pipes, and throttle valve, please note that there are two small water pipes below.

3. Timing removal: firstly, remove the windshield frame of the water tank, put the gear on the brake, loosen the large screw of the front wheel of the crankshaft or start it with the motor with a force wrench, and remove the timing iron cover after removing the vane pump wheel.

4. Remove the screw of the camshaft front wheel. Remove the timing belt when disassembling the belt tensioner. Remove the timing part of the four screws M 10 that secure the iron cover.

5. Remove the valve cover, and then remove the cylinder head screw. The disassembly sequence is diagonally opposite from both sides to the middle, and the cylinder head comes out from the upper end of the seat, so it is necessary to remove the main passenger seat and the rear iron cover.