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1. Disconnect the negative battery cable, drain the cooling system, and release the fuel system pressure.
2. Disconnect the electrical connectors from the throttle position sensor, exhaust gas temperature sensor, coolant temperature sensor, etc.
3. Label and disconnect the hoses from the throttle body, the EGR valve, the EGR control solenoid valve, the intake manifold collector, the power control solenoid valve and the power valve actuator (if equipped with a manual transaxle).
4. Disconnect the accelerator cable from the throttle body.
5. Remove the intake manifold collector-to-intake manifold bolts and remove the intake manifold collector.
6. Disconnect the electrical connectors from the ignition coils.
7. Disconnect the electrical connector from the crank angle sensor and the power transistor.
8. Disconnect the electrical connectors from the fuel injectors.
9. Disconnect the fuel injector assembly from the fuel lines.
10. Remove the fuel rail-to-cylinder head bolts.
11. Remove the fuel rail assembly from the engine.
12. Remove the intake manifold-to-engine bolts, in sequence, by reversing the tightening sequence.
13. Lift the intake manifold from the engine and discard the gasket.
14. Clean the gasket mounting surfaces.
15. Install the intake manifold and torque the intake manifold-to-engine bolts and nuts.
16. Torque the intake manifold bolts and nuts in two steps as follows:
Torque all bolt-and-nut combinations to 26-43 inch lbs. (3-5 Nm).
Torque all bolts 12-14 ft. lbs. (16-20 Nm).
Torque all nuts to 17-20 ft. lbs. (24-27 Nm).
17. The balance of installation is the reverse of the removal procedure.
18. Using a new gasket, install the intake manifold collector and torque the intake manifold collector-to-intake manifold bolts to 12-15 ft. lbs. (16-21 Nm).
19. Reconnect the negative battery cable.
20. Refill the cooling system.
21. Start the engine and check for leaks.
What else can I help you with?
How many bolts attach intake manifold to head on a 1990 Nissan 240sx?
7 or 8
Where is the knock sensor on a 1990 Nissan 240sx?
The knock sensor on a 1990 Nissan 240SX is located on the engine block, specifically on the left side near the rear, typically below the intake manifold. It is positioned to detect engine vibrations and send signals to the ECU for ignition timing adjustments. To access it, you may need to remove the intake manifold or other components for better visibility and reach.
How do you remove intake manifold on a 1990 Acura Integra?
The intake manifold on a 1990 Acura Integra connects to the head of the engine. Loosen all of the nuts from the manifold to the head, disconnect the throttle body, vacuum lines, fuel injectors and coolant lines then pull the manifold from the head.
How do you replace starter on 1990 Lexus ls400?
this is crazy as hell but,the starter is under the intake manifold directly in the center of the motor.so remove intake manifold and then remove and replace starter.not hard ,just time consuming.
Is a 1990 Jeep intake manifold compatible with a 1988 Jeep intake manifold?
YES
Where is the MAP sensor located on a 1990 Nissan 300zx?
The MAP (Manifold Absolute Pressure) sensor on a 1990 Nissan 300ZX is typically located on the intake manifold, near the throttle body. You may find it mounted on the driver's side of the engine, attached to the intake plenum. It's a small sensor with a connector plugged into it, usually positioned for easy access when performing maintenance.
How do you take off the intake manifold of a 1990 Nissan 240SX KA24E to replace the head gasket?
you have to take the throttle body support bracket loose. it is under the bottom mounted to the engine. you cannot remove it otherwise. I know as i did the same.
How do you take of intake manifold on a 1990 Lincoln mark 7?
To remove the upper intake :Remove the H.O. 5.0 plate. The screws are torx head . Remove the bolts underneath. Lower is pretty self explanatory Hope this helps Mark VII Heaven.
How to Remove Inlet manifold 1990 ford kf laser carby type?
To remove the inlet manifold from a 1990 Ford KF Laser with a carburetor, first disconnect the battery and remove any accessories or components obstructing access to the manifold, such as the air cleaner and intake hoses. Next, detach the carburetor by unscrewing it from the manifold and disconnecting any linked throttle or choke cables. Then, remove the manifold bolts in a crisscross pattern to prevent warping, and lift the manifold off the engine. Be sure to clean the mating surfaces before reinstallation to ensure a proper seal.
Where is the air charge temperature sensor located in a 1990 Chrysler Cirrus?
There was no 1990 Chrysler Cirrus. Look on the intake manifold or hoses for the intake temp sensor.
How do you change the intake manifold gasket on a 1990 Chevrolet c1500 silverado?
remove the air filter pan assembly and the 15-20 intake bolts clean gasket area replace n re bolt down
How does the exhaust manifold look and where is it located on a 1990 Jeep Cherokee?
it is located on the drivers side of the engine under the air intake manifold
