If the seal is broken, the exhaust gases break out, accompanied by a characteristic sound (collector “cuts”)</span >

If retightening the exhaust manifold mounting fails, replace the gasket.

Disconnect from the exhaust manifold or remove the exhaust pipe from the engine, for this:

ZMZ-406 exhaust manifold gasket replacementZMZ-406 exhaust manifold gasket replacement

We unscrew the four nuts and locknuts securing the exhaust pipe of the muffler to the engine exhaust manifold

We unscrew the bolt securing the exhaust pipe of the muffler to the bracket on the gearbox

ZMZ-406 exhaust manifold gasket replacementZMZ-406 exhaust manifold gasket replacement

Having loosened the clamp with a screwdriver, remove it from the fitting and set aside the vacuum booster hose.

With a 14 head, we unscrew the eight nuts securing the exhaust manifold to the block head.

ZMZ-406 exhaust manifold gasket replacementZMZ-406 exhaust manifold gasket replacement

Remove the washers and screen from the studs

Remove the engine lift bracket

ZMZ-406 exhaust manifold gasket replacementZMZ-406 exhaust manifold gasket replacement

Remove the bracket for attaching the water intake pipe

remove the exhaust manifold.

ZMZ-406 exhaust manifold gasket replacement

Remove the exhaust manifold gaskets from the studs

We carefully clean the mating surfaces of the cylinder head and exhaust manifold

We mount the exhaust manifold in the reverse order, having previously installed four gaskets on the studs.