Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Intake Manifold Assembly: Assembly
- Connect the fuel delivery pipe to the fuel pipe. Ref. to FUEL INJECTION (FUEL SYSTEM) (H4DOTC)>Fuel Delivery and Evaporation Lines>INSTALLATION>QUICK CONNECTOR CONNECTION (TYPE B) .
- Install the fuel pipe and fuel delivery pipe.
Tightening torque:
6.4 N.m (0.7 kgf-m, 4.7 ft-lb)
- Install the vacuum pipe assembly. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DOTC)>Vacuum Pipe Assembly>INSTALLATION .
- Install the check valve. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DOTC)>Check Valve>INSTALLATION .
- Install the manifold absolute pressure and intake air temperature sensor. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Manifold Absolute Pressure and Intake Air Temperature Sensor>INSTALLATION .
- Install the purge control solenoid valve. Ref. to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (H4DOTC)>Purge Control Solenoid Valve>INSTALLATION .
- Set a new gasket, and temporarily install the EGR pipe No. 1.
- When the engine coolant has been drained before removing the intake manifold assembly
- Install the throttle body. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Throttle Body>INSTALLATION .
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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