How to Remove the Intake Manifold of EA888?

[PaisleyFitz]

ea888 intake manifold removal steps: 1. Turn off the vehicle and disconnect the negative terminal of the battery; 2. Open the hood, remove the manual maintenance switch, electronic throttle body, and intake air temperature sensor; 3. Remove the clamps securing the intake pipe, move the pipe aside, unscrew the bolts on the intake manifold assembly, and then remove the assembly. The intake manifold refers to the intake pipe between the carburetor or throttle body and the cylinder head intake ports. Its function is to distribute the air-fuel mixture from the carburetor or throttle body to the intake ports of each cylinder. The automobile intake manifold mainly distributes external air and the air-fuel mixture through the carburetor or throttle body to the intake ports of each cylinder.

[LeonardoFitz]

I've removed the EA888 engine's intake manifold myself several times. Before starting, disconnect the negative battery terminal and wait a few minutes to prevent electric shock. Remove the air filter box and hoses connected to the manifold like vacuum hoses and coolant hoses. Use a 10mm socket wrench to loosen all the mounting bolts—usually there are six to eight—and take note of their positions or take photos to avoid confusion during reassembly. Remember to unplug the wiring harness and sensor connectors, especially near the throttle body, and avoid pulling them forcefully. The manifold might be stuck, so gently wiggle and slowly lift it out. Clean the mounting surface and replace the old gasket to prevent air leaks. The whole process takes about an hour—safety first, don't rush. After reassembly, start the engine and check for any air leak sounds.

[Long]

Removing the EA888 intake manifold requires a step-by-step approach. First, turn off the engine and disconnect the negative battery terminal for safety. Remove the air filter assembly and any obstructions to access the manifold position. Carefully detach wiring harness connectors like the throttle sensor using tools, avoiding breakage. Next, unscrew the bolts, typically Phillips-head or 10mm nuts. Lift the manifold slowly—it's tightly secured—avoid brute force to prevent damage to the mounting surface. If you notice aging gaskets during disassembly, it's best to replace them. Reassemble in reverse order, ensuring all pipes are secure and wiring harnesses are properly connected. Test the engine for normal operation and unusual noises.

[StGabriela]

The key to removing the EA888 intake manifold lies in meticulousness. Start by disconnecting the battery's negative terminal to eliminate the risk of short circuits. Remove the air filter box and intake pipes to expose the manifold. Label all vacuum hoses and connectors to avoid confusion. After loosening the mounting screws, gently wiggle the manifold to help detach the interfaces. Be careful during removal to avoid bumping sensors. Clean the installation area thoroughly and replace with new sealing gaskets. Finally, reconnect everything, test start the engine, and observe if the vacuum level is normal.