Pic. 2.176. intake manifold components
Withdrawal
Pic. 2.177. Disconnecting the crankcase ventilation hose
Disconnect the crankcase ventilation hose from the throttle body (pic. 2.177).
Pic. 2.178. Accelerator pedal cable
Disconnect the accelerator pedal cable (pic. 2.178).
Disconnect the coolant hose from the throttle body.
Disconnect the crankcase ventilation valve hose and brake booster vacuum hose.
Remove the vacuum hose fitting.
Pic. 2.179. Removing the nozzle cover
Remove the nozzle cover (pic. 2.179).
Relieve any residual pressure in the system before disconnecting the high pressure fuel hose from the fuel rail.
Pic. 2.180. Fuel injector harness connector
Disconnect the fuel injector harness connector (pic. 2.180).
Remove the fuel manifold along with the injectors.
Attention! Be careful not to drop the injectors when removing the fuel manifold.
Pic. 2.181. Intake manifold mount
Loosen the intake manifold mount (pic. 2.181).
Pic. 2.182. Inlet manifold assy
Remove intake manifold assembly and gasket (pic. 2.182).
Examination
Check the parts for cracks and damage.
Check the condition of the air passages, water jacket and vacuum hose fittings. Clean if necessary
Using a ruler and a flat feeler gauge, measure the deflection of the intake manifold mating plane.
Nominal value: 0.15 mm.
Limit value: 0.20 mm.
Installation
Replace the intake manifold gasket with a new one and reinstall the intake manifold.
Intake manifold tightening torque:
- bolts - 15-20 Nm;
- nuts - 30-42 Nm.
Pic. 2.183. Fuel manifold with injectors
Install fuel manifold with injectors (pic. 2.183).
Attention! Make sure the injector seals are installed correctly.
Connect the fuel injector harness connector. Install the nozzle cover.
Install the intake manifold strut.
The moment of an inhaling of fastening of a rack of an inlet collector: 18–25 Н·м.
Pic. 2.184. Connecting the high pressure fuel hose
Connect high pressure fuel hose (pic. 2.184).
Connect the positive crankcase breather hose and brake booster vacuum hose.
Connect the air hose to the throttle body.
Connect the accelerator pedal cable.
Connect the idle speed control servo connector and throttle position sensor connector.