2. Drain the coolant from the cooling system.
Removing
Carburetor type engines
3. Remove the air filter.
10.4a Make marks on detachable hoses and wires
10.4b Disconnect the plug of the control solenoid valve (1.5 l)
10.4c Disconnect the control valves of the exhaust system from the brackets (1.5 l)
4. Tag (10.4a, 10.4c) and disconnect all hoses, wires, brackets, and exhaust system passages from the carburetor and intake manifold.
5. Disconnect the fuel hoses from the carburetor and close the holes with caps to avoid leakage.
6. Disconnect the throttle cable from the carburetor.
7. Disconnect the cable that connects the carburetor and gearbox and the motion control cable (if the car is equipped with it).
8. Unscrew an inlet manifold and remove it from the engine.
Injection type engines
9. Disconnect the air intake hose.
10. Tag and disconnect all hoses, wires, brackets, and exhaust system channels from the fuel injection system and intake manifold.
11. Remove the distributor and accelerator cables.
10.12 Unscrew the screws (indicated by arrows) fixing the fuel line
12. Remove the bolts that secure the fuel line to the intake manifold (10.12) and remove the line.
10.13 Unscrew the screws (indicated by arrows), that attach the pressure chamber to the manifold
13. On SOHC engines, remove the bolts that secure the plenum chamber to the intake manifold (10.13). Remove the camera.
14. Raise the car and secure it on stands installed under the axles.
10.15 Remove the bolts (indicated by arrows) intake manifold bracket
15. Remove bolts securing lower manifold bracket to engine (10.15).
10.16a Unscrew the bolts (indicated by arrows) fastening the intake manifold to the cylinder head
10.16b Be careful not to damage the mating surfaces
16. Unscrew the intake manifold and remove it from the engine (10.16a, 10.16b).
Installation
10.17 Carefully scrape off the remnants of the old gasket from the mating surface of the intake manifold
17. Thoroughly clean the mating surfaces of the manifold and cylinder head (10.17).
18. Install the manifold using a new gasket. Tighten the nuts to the required tightening torque.
19. Install the remaining parts.
20. Fill coolant, start engine and check for leaks.