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How to Install a BBK 62mm Throttle Body on your 1991-2003 4.0L Jeep Wrangler YJ & TJ
Installation Time
2 hours
Tools Required
- 1/4" ratchet
- 1/4" socket
- 6"extension
- 10mm socket
Shop Parts in this Guide
Included in this Kit:
BBK throttle body, MAP sensor gasket, throttle body base gasket, T-20 Torx bit, vacuum cap).
Disconnect cables
Step 1 Disconnect negative (–) battery terminal.
Step 2 Remove the intake hose assembly from the vehicle.
Step 3 Unclip the cable attachments from the throttle linkage.
Step 4 Unplug the electrical connections at the IAC, TPS, and MAP sensors.
NOTE
Some models do not use a throttle body mounted MAP sensor. For those vehicles we supply a vacuum cap to place over the nipple that is installed on the BBK unit.
Unplug connectors
Step 5 Unbolt and remove the throttle body from the intake manifold.
Step 6 Remove the IAC, TPS, and MAP sensors (if applicable) from the throttle body using the supplied T-20 Torx bit dropped into a 1/4" socket and install them onto the BBK throttle body using the supplied IAC gasket. Attach with the original hardware.
NOTE
When installing the MAP sensor, be sure to make a positive connection between the rubber hose and vacuum fitting.
Completed installation
Step 7 Mount the BBK throttle body on to the intake manifold using the supplied base gasket. Attach with the original hardware.
Step 8 Plug in the electrical connections at the IAC, TPS, and MAP sensor.
Step 9 Clip the cable connections onto the linkage of the BBK throttle body.
Step 10 Reconnect negative (–) battery terminal.
Please visit us at WWW.BBKPERFORMANCE.COM to view a fully photographed installation of this and many other BBK products.
