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
- Connect the PCV hose and vacuum control hose to intake manifold.
- Connect the vacuum hose to the intake manifold, and install the purge control solenoid valve.
Tightening torque:
19 N.m (1.9 kgf-m, 14.0 ft-lb)
- Install the throttle body to the intake manifold.NOTE: Use a new gasket.
Tightening torque:
8 N.m (0.8 kgf-m, 5.9 ft-lb)
- Temporarily install the EGR pipe to the intake manifold.NOTE:
- Use new O-rings.
- Tighten the EGR pipe when installing the intake manifold. Refer to EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES) (EXCEPT FOR STI)>EGR PIPE>INSTALLATION .
- Install the manifold absolute pressure & intake air temperature sensor to the intake manifold.NOTE: Use new O-rings.
Tightening torque:
3.5 N.m (0.3 kgf-m, 2.5 ft-lb)
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.