Disconnect the negative battery connection using an 8mm socket. The 01-04 Mustang has an electronically controlled throttle positioning system and doing this ensures that everything will function properly after the install.
Installing the throttle body requires removing the intake pipe or just the upper intake pipe depending on what type of cold air intake you have. Loosen the hose clamps on both the upper and lower side of the intake pipe using a flathead screwdriver.
Disconnect any hoses that go to this intake pipe.
Slide out the intake pipe and remove it from the vehicle.
There are two connections on the right side of the throttle body and one on the left side that need to be disconnected. Disconnect the cruise control cable by pulling up on the end connected to the throttle body
Disconnect the throttle body cable by moving the throttle body spring forward, as well as pulling the cable forward to give it some slack and sliding out the pin to the right side
On the left side of the throttle body you will see the throttle positioning sensor. Disconnect the cable connected to it by gently unplugging it
Using the 10mm socket loosen and remove the four bolts holding the throttle body in place. (The bottom two bolts are not visible in the picture.) If the throttle body is still stuck in place after removing the four bolts from it, slightly tap it with a rubber mallet/hammer to disconnect it from the rest of the intake. …X marks the spot
Clean off any gasket residue left behind on the intake. This will ensure a proper seal when using the new gasket.
Unscrew the two screws holding the throttle positioning sensor on the old throttle body using a Phillips screwdriver. Slowly lift up on the sensor to remove it from the old throttle body.
Place the sensor on to the new throttle body by lining up the center tab first and turning it into place. (Make sure that the holes for the screws match up). Using the new hardware provided screw it into place using a phillips screwdriver.
Place the new gasket on the new throttle body making sure you align it correctly using the indention on the right side as a guide.
The factory bolts do not fit well with the new throttle body, but the new mounting hardware that is provided works great. Using a 5mm allen wrench bolt up the throttle body to the intake. (The bottom two bolts are not visible in the picture.)
Reattach the throttle body cable by again moving the throttle body spring forward, as well as pulling the cable forward to give it some slack and replacing the pin back into the correct position.
Reattach the cruise control cable by pushing it back down into place.
Reconnect the throttle positioning sensor cable by plugging the connection back into the sensor. (Make sure everything moves freely by moving the throttle body spring back and forth.)
Reattach the intake pipe by first aligning it with the throttle body. Then tighten up the hose clamps on both the upper and lower side of the intake pipe. Reattach any hoses that were removed earlier.
Reconnect the negative battery cable using the 8mm socket to secure it back on to the battery.
It is recommended that after the installation is finished you start the car and let it get to normal operating temperatures before driving. This allows the electrical system to adjust to the new throttle body and work/align properly.
Enjoy the added power and sound of your new BBK Throttle body!!!!!
Installation instructions provided by AmericanMuscle customer Emir Hambo 6.10.09
These guys are great! Customer service is absolutely top notch. Their pricing points are spot on and every month they off some sort of special on multiple parts. Not only that but the staff will educate you on the parts and their customer reveiw option of every part has been a huge help in determining the validity of each part you buy. American Muscle is the perfect example of what a full service parts distributor and custom tuning shop should be. I'm just glad they are Mustang exclusive!
All my other cars were all-wheel drive, my brother had an 04 cobra and i wanted to compete and beat him with naturally aspirated so i went with a mach1 - and beat him. Now he works here too! I got lucky and was able to find one of the...
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