Intake Manifold Removal and Installation: Installation

Put a new gasket and the spacer on the injector base.
Install the intake manifold. Tighten the bolts and nuts sequentially, in two or three steps. Always use a new intake manifold gasket.
Torque Specifications

8 x 1.25 mm 22 N.m (2.2 kgf-m, 16 lbf-ft)

Fig 1: Tightening Bolts And Nuts
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the upper cover. Tighten the bolts and nuts sequentially, in two or three steps. Always use a new gasket.
Torque Specifications

6 x 1.0 mm 12 N.m (1.2 kgf-m, 8.7 lbf-ft)

Fig 2: Tightening Bolts And Nuts Sequentially
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the harness clamp bracket (A) and water bypass hoses (B).

Fig 3: Installing Harness Clamp Bracket And Water Bypass Hoses With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the engine wire harness connectors, and install the wire harness clamps to the intake manifold.
- Intake air temperature (IAT) sensor connector
- Throttle actuator connector
- Manifold absolute pressure (MAP) sensor connector
- Evaporative emission (EVAP) canister purge valve connector
- Intake manifold tuning (IMT) valve actuator connector
Install the positive crankcase ventilation (PCV) hose (A), brake booster vacuum hose (B), and evaporative emission (EVAP) canister purge hose (C).

Fig 4: Installing Positive Crankcase Ventilation (PCV) Hose
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the air intake duct (A), then install the breather pipe (B).

Fig 5: Installing Air Intake Duct And Breather Pipe
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Clean up any spilled engine coolant.
After installation, check that all tubes, hoses and connectors are installed correctly.
Install the intake manifold cover.

Fig 6: Installing Intake Manifold Cover
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Refill the radiator with engine coolant, then bleed air from the cooling system with the heater valve open (see step 9 on COOLANT REPLACEMENT ).