Removing
1. Remove the ground wire from the battery.
2. Drain the coolant from the cooling system.
3. Remove the carburetor.
4. Remove the brake booster vacuum hose from the intake manifold.
5. Mark and remove from the intake manifold the hoses of the automatic transmission crankcase ventilation system, central locking and exhaust gas recirculation valve.
6. Loosen the clamps and remove the coolant hoses from the intake manifold.
7. Disconnect the electrical connector from the intake manifold heater, release the wires from the brackets and move them to the side.
8. Unscrew the nuts and remove the intake manifold from the cylinder head. Remove the gasket.
Installation
1. Being careful and using a plastic or wooden scraper, clean the mating surfaces of the intake manifold and cylinder head.
2. Install the intake manifold with a new gasket on the cylinder head.
3. Further installation is carried out in the reverse order of removal, taking into account the following points.
4. Tighten the intake manifold nuts to the specified torque.
5. Pour coolant into the cooling system.
6. Connect the electrical connector to the intake manifold heater.
7. Start the engine, check and, if necessary, adjust the idle speed and the CO content in the exhaust gases.