Removing Fuel Pressure Damper In Infinity G37: Step-By-Step Guide

If you're smelling gasoline inside your Infiniti G37 when you're at a stop, you may have a faulty fuel damper. You can replace the fuel damper yourself, but it's important to note that this process can be tricky and you may want to consult a certified mechanic. The first step is to depressurise the fuel line by removing the fuel pump fuse, which is located under the hood, next to the battery, and under some plastic panelling. Once you've done this, you can remove the engine cover and air intake, and then the fuel hose and damper. Finally, you can install the new fuel hose and damper, and put everything back together in the reverse order.

Depressurise the fuel line

To remove the fuel pressure damper from a 2008 Infiniti G37, you must first depressurise the fuel line. Here is a step-by-step guide on how to do this:

Firstly, open the hood of your Infiniti G37 and remove the engine cover. Then, remove the vacuum line that connects the plenum to the battery cover area. This will give you more space to work with.

Next, locate the bracket that holds the two fuel lines to the body. This can be found between the strut tower and the engine. Remove the bolts from this bracket and then unlock the clip that fastens the fuel damper line to the bracket. Push the loosened bracket towards the back of the car so that it is out of the way.

At this point, you will need to remove the fuel pump fuse, which is located under the hood, next to the battery, under some plastic panelling. To access this, you will need to remove the battery cover and the top trim piece by popping out the plastic rivets. Pull up the weather stripping by pulling on the tabs that hold it to the plastic trim piece that touches the windshield. Be careful when doing this, as these pieces are fragile.

Now, use a 10mm wrench to loosen the battery terminals and pull the battery out. You will see the fuse panel that you need to access. There are two tabs that you need to push in to pull the panel up and away. Then, on the bottom, there are two more tabs to push in to remove the cover. Pull out the fuel pump fuse.

The fuse puller is located under the dashboard, in the fuse panel under the driver's side, to the bottom left of the steering column. Pop the fuse out, then put the battery back in and reconnect the terminals. Start the car and let it run until it dies. Crank it a further 2-3 times to relieve all the fuel pressure.

Now that the fuel line is depressurised, you can continue with removing the fuel pressure damper.

Remove the engine cover

To remove the engine cover of your 2008 Infiniti G37, you will need a ratchet wrench and a 10mm socket.

First, locate the five bolts that hold the engine cover in place. These bolts are designed to be removed with a ratchet wrench and a 10mm socket. Once you have located the bolts, use the ratchet wrench to turn the socket in a counter-clockwise direction to remove them. Be sure to keep track of the bolts as you remove them, as you will need to replace them when you are finished. With the bolts removed, you can then lift the engine cover off of the engine.

If you are planning to perform any maintenance or repairs on your Infiniti G37, it is important to follow safety protocols and refer to a qualified mechanic if you are unsure about any steps.

Remove the air intake

To remove the air intake from a 2008 Infiniti G37, you will need to follow these steps:

First, loosen the metal band connecting the throttle body. Then, loosen another metal band that connects a smaller inlet to the intake tube. There may also be a bolt holding the intake filter cover in place, so be sure to remove this with a 10mm wrench if it is present. Next, disconnect the Mass Air Flow (MAF) sensor connector. You should then be able to lift the intake out of the engine bay.

If you are replacing the air intake with a new one, be sure to check that the part is compatible with your vehicle. You can refer to the product specifications and your vehicle's make and model to ensure the correct fit.

It is important to note that removing the air intake may require some force, but there are no additional screws holding the box in place. Additionally, be careful when handling the MAF sensor, as it is a delicate and expensive component.

Finally, remember to follow all safety precautions when working on your vehicle, and if you are unsure about any steps, consult a certified mechanic.

Remove the fuel hose/damper

This is the toughest part of the procedure.

First, follow the fuel line to a plastic connector that holds the fuel line in place, preventing it from bouncing around the engine bay. Pop the tab open and use a metal pick to pop the connector off the engine bay.

Now, you can push the fuel line out of the way to reach the green quick connector further down. There is a green cover that fits over the top of the fuel line quick connector. Remove this from underneath the car.

Jack the car up and you will see the green quick connector behind the passenger-side wheel. It's probably easier to disconnect the green quick connector from above, so lower the car back down.

Basically, you need to push the two green tabs in and pull up on the fuel line. It helps to have an extra set of hands for this step. Once the connector is released, use a 10mm socket to pull off the bolts that hold the damper in place.

Install the new fuel hose/damper

Step 5: Install the new fuel hose/damper

Now that you've removed the old fuel hose/damper, it's time to install the new one. Here's a step-by-step guide on how to do it:

• Pop out the green connector: Before installing the new fuel line, you need to pop out the green connector that holds the fuel line in place. This will make it easier to connect the new fuel hose/damper.
• Install the new fuel line: Push the green connector onto the end of the new fuel hose/damper where it will connect. Make sure it clicks into place securely.
• Jack up the car: You'll need to jack up the car again to access the green cover under the passenger side wheel. This will allow you to reconnect the fuel line.
• Reconnect the green cover: Pop the green cover back into place to protect the fuel line connection.
• Reinstall components in reverse order: Now that the new fuel hose/damper is installed, you'll need to reinstall all the components you removed in the previous steps. This includes the engine cover, air intake, and any other parts you removed for access.
• Start the engine and check for leaks: Once everything is connected, start the engine to make sure there are no leaks. Take the car for a test drive to ensure that the new fuel hose/damper is functioning properly and the fuel smell is gone.

Remember to exercise caution when working with fuel lines and always refer to a certified mechanic if you're unsure about any part of the process.

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