Intake manifold
The task of the Volkswagen T4 intake manifold (see Fig. 310) is to supply the same amount of air to each cylinder.
Rice.
310 Engine intake manifold VR6 Volkswagen T4 1 - bolt, 10 Nm, 2 - high-voltage wire guide, 3 - vacuum hose (from the auxiliary air supply valve), 4 - T-fitting (tee), 5 - vacuum hose (to the connecting pipe ), 6 - plug, 7 - fuel pressure regulator, 8, 15, 17 - o-rings, 9 - retaining clip, 10 - pressure regulator bracket, 11 - fuel return hose (with blue mark), 12 - fuel supply line, 13 - fuel supply pipe, 14 - hollow bolt, 15 Nm, 16 - injector connector, 18 - fuel injector, 19 - injector harness connector, 20 - bolt, 20 Nm, 21 - rear left bracket, located between the intake manifold and the block head, 22 - intake manifold lower gasket, 23 - intake manifold lower, 24 - guide sleeve, 25 - intake manifold gasket, 26 - intake manifold, 27 - auxiliary air pump motor bracket, 28 - fitting, 29 - intermediate hose to intake air duct , 30 - rear right bracket, located between the intake manifold and the block head
Air enters the equalizing chamber from above and is distributed in the manifold through separate inlet connections.
Motronic injection system . Volkswagen throttle body