How to remove the intake and exhaust manifold of the UAZ-3151, -31512, -31514, -31519 car engine

Usually, the manifold is removed to replace the gaskets, as well as when repairing the cylinder head and engine

Preparing the car for the task

We apply a penetrating lubricant, such as WD-40, to the manifold fastening nuts

Remove the carburetor

Using two 17 wrenches, unscrew the locknut of the axle arm

Remove the lever from the roller

Pliers remove the cotter pin from the axis of the intermediate lever

Remove the intermediate lever

Using a 12 wrench, unscrew the axis of the intermediate lever

Removing the axle and cable sheath bracket

We unscrew the nut securing the bracket of the handle of the valve for draining the coolant from the cylinder block

Remove the vacuum brake booster hose

Unscrew and remove the exhaust pipe from the exhaust manifold

Using a 14 head, unscrew the nuts securing the intake manifold and exhaust manifold

Remove the washers from the studs. It must be taken into account during assembly that the long upper and both lower studs have thicker washers.

Remove the intake manifold and exhaust manifold

Removing the gasket

Using a 13 wrench, unscrew the four nuts, manifold and pipeline connections

Disconnect the manifold and intake manifold, remove the gasket

Using a 10 wrench, loosen the nut of the damper position indicator flag and check the mobility of the damper

Install the exhaust manifold and intake manifold in reverse order

Before installation, it is advisable to apply graphite grease type SHRUS-4 on the studs