How to Replace the Throttle Body in Cars

by Contributing Writer; Updated June 12, 2017

Ford car could reasonably boast that the Ford car is the one vehicle that kicked off America's SUV love affair. While the debut of the Ford car was timed Ford car the beginning of the SUV craze, it became the "go to" SUV Ford car the common man. The Ford car consistently delivers a good measure of comfort and versatility while being stylish and affordable. Here are the details Ford car replacing the throttle body in the Ford car.

Under The Hood:

 How to Replace the Throttle Body in a Dodge Caravan

Disconnect the negative battery cable from the terminal. Remove the hose clamp from the air inlet-to-throttle body. Take off the two mounting screws and remove the air inlet resonator. Carefully set the screws to the side.

Remove the throttle as well as the speed control cables from the lever and the bracket. Disconnect the electrical connectors from the idle air control (IAC) motor and the throttle position sensor (TPS).

Take the vacuum hoses from the throttle body. Loose and remove the mounting nuts that hold the throttle body in place. Lift out the throttle body assembly and the mounting gasket.

Cover the manifold with a clean shop cloth to prevent dirt and debris from falling into the engine. Clean any old gasket material and carbon deposits from the gasket mating surfaces. Install a new gasket.

Set the throttle body with a new gasket on the intake manifold. Place the mounting nuts in position. Torque the nuts to 18 foot pounds.

Reconnect the vacuum hoses to the throttle body. Reattach the IAC motor and the TPS electrical connections to the throttle body. Now connect the throttle and speed control cables.

Place the air cleaner/inlet resonator assembly in position. Reconnect the negative battery cable. Start the engine and let it run for several minutes to assure proper operation.

Items you will need

  • Mechanic's toolset

  • Clean shop cloths

  • New gaskets for the throttle body

  • Torque wrench

 How to Replace the Throttle Body in a Saturn VUE

Remove the Throttle Body

Make sure the engine and all components are completely cool. Disconnect the battery ground. Then isolate it to avoid accidental contact with the terminal while installing the throttle body.

Loosen the clamp on the air cleaner assembly and the throttle body assembly. Take off the fasteners that old the outlet resonator duct assembly on its bracket.

Lift off the outlet resonator duct assembly. Drape a clean shop rag over the opening to prevent debris from falling into the manifold. Use the shop air hose to disengage any dirt or carbon deposits that collects around the base of the throttle body.

Pull the electrical connector from the throttle body, then disengage the positive crankcase vent (PCV) air hose. Take off the vacuum lines for the purge and the PCV.

Clamp the coolant hoses before removing them to prevent leakage. Remove the coolant hoses.

Take off the bolts that hold the throttle body in place. Lift the throttle body off the manifold.

Install the Throttle Body

Lift the shop rag carefully from the throttle body opening so that debris on the cloth does not fall into the manifold. Set a new throttle body gasket in place.

Position the throttle body on the manifold. Put the bolts in place and torque them to 66 inch pounds.

Reattach the hoses to the throttle body and then remove the clamps. Attach the hoses for the PCV fresh air and vacuum. Connect the electrical connector to the throttle body.

Put the outlet resonator duct assembly in place, then tighten the clamp. Set the outlet resonator duct assembly on the support bracket and torque the fasteners to 89 inch lbs.

Secure the clamp on the air cleaner assembly. Connect the negative battery cable and tighten the terminal bolt to 13 foot pounds.

Complete the automatic relearn procedure for the Engine Control Module. Set the ignition to RUN for 1 minute to complete the relearn process.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches and screwdrivers

  • Torque wrench

  • Clean shop cloths

  • Replacement gasket

 How to Replace the Throttle Body in a Pontiac Grand Am

Take out the air cleaner resonator. Disconnect the harness connectors for both the idle air control and the throttle position sensor. Label and then remove all the vacuum hoses from the throttle body.

Remove the bracket and the cables for the accelerator control from the throttle body. Loosen and remove the throttle body fasteners.

Lift the throttle body off the manifold. Remove the throttle body gasket and inspect it carefully. Replace the gasket as needed or re-install the old gasket to the throttle body after cleaning all the mating surfaces thoroughly.

Set the throttle body on the manifold and finger-tighten the fasteners. Torque the bolts to 89 inch pounds.

Install the cables and bracket for the accelerator cable, then reconnect the vacuum hoses. Reconnect the harness connectors for the throttle position sensor and the and idle air control valve, then replace the air cleaner resonator.

Depress the accelerator pedal to test its movement and to assure that there is no binding. Press the pedal to the floor one time then release it. Make the necessary adjustments.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches and screwdrivers

  • Torque wrench

  • Clean shop cloths

  • Replacement gasket

 How to Replace the Throttle Body in a GMC Sierra

Remove the Throttle Body

Take the negative battery cable from the terminal. Remove the engine cover, then remove the air cleaner outlet resonator, the air cleaner outlet resonator adapter stud and the cable for the cruise control.

Loosen and remove the stud and nuts that hold the accelerator control cable bracket in place. Swing the bracket to the side.

Disconnect the idle air control (IAC) valve harness connector and the throttle position (TP) sensor harness connector. Take out the throttle body retaining studs.

Lift out the throttle body assembly. Discard the seal. Clean any gasket material and debris from the gasket surface of the intake manifold.

Install the Throttle Body

Set the throttle body assembly in place with a new seal. Place the retaining studs on the throttle body assembly and torque them to 80 inch pounds.

Install the studs for the air cleaner outlet resonator adapter. Tighten the studs to 71 inch pounds.

Connect the TP sensor harness connector, then reconnect the IAC valve harness connector.

Use the fasteners to install the accelerator control cable bracket. Torque the fasteners to 106 inch pounds.

Install both the accelrator cable and the speed control cable. Make sure that the neither of these cables holds the throttle open.

Put the air cleaner outlet resonator in place. Replace the engine cover. Connect the negative battery cable.

Depress the accelerator pedal to the floor, then release the pedal. Make sure that the accelerator pedal operates without binding between the full and close throttle.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches, screwdrivers

  • Torque wrench

  • Replacement gasket

  • Clean shop cloths

  • Plastic scraper

 How to Replace the Throttle Body in a Chevy Impala

Remove the Throttle Body

Relieve the pressure in the fuel system, taking care not to spill or spray gasoline. Disconnect the battery ground cable. Take the THERMAC hose off the engine fitting and then lift off the air cleaner.

Label and disconnect all the electrical connectors from the idle air control (IAC) valve, the throttle position sensor (TPS) and the fuel injectors. Disengage the throttle linkage, the return springs and the cruise control cable.

Tag each of the vacuum hoses that runs from the throttle body and then disconnect them. Label and disconnect the fuel supply and return lines. Take out the fuel line O-rings and throw them away. Plug the fuel lines with golf tees.

Take off the fasteners that hold the throttle body to the intake manifold. Lift the throttle body and the gasket from the manifold. Cover the intake manifold with a clean shop rag to prevent dirt and debris from entering the engine.

Install the Throttle Body

Clean the gasket mating surfaces of all dirt, debris and gasket material. Use a new gasket and install the throttle body to the intake manifold. Tighten the fasteners to 11 foot pounds of torque.

Use new o-rings on the fuel lines and reconnect all the fuel supply and fuel return lines to the throttle body. Reconnect the throttle body vacuum hoses in the order they were disconnected. Reattach the cruise control cable.

Reconnect the electrical connectors for the IAC, the TPS and injectors. Place the air cleaner on the engine, then connect the THERMAC hose.

Attach the negative battery cable to the terminal. Start the engine and allow it to run for several minutes. Check for fuel leaks.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches, screwdrivers

  • Plastic scraper

  • Torque wrench

  • Clean shop cloths

  • Replacement gasket

  • O-rings

 How to Replace the Throttle Body in a Chevy Avalanche

Make sure the engine is completely cool and that the ignition is in the OFF or LOCK position. Disconnect the negative battery cable.

Disconnect the vacuum hose from the throttle body, the harness connectors for the throttle position sensor (TPS) and idle air control (IAC) valve. Take the coolant hoses off the throttle body and the vapor vent pipe.

Loosen and remove the nuts that secure the throttle body. Lift out the throttle body and the gasket. Discard the gasket. Clean the gasket mating surfaces thoroughly with a plastic scraper.

Set the new gasket in place and then install the throttle body over it. Set the nuts in place and torque them to 89 inch pounds of torque.

Connect the coolant hoses to the throttle body and the vapor vent pipe. Reattach the accelerator control cable and the cruise control cable to the throttle body. Connect the TSP and IAC valve electrical connectors.

Attach the vacuum hose to the throttle body, then install the air intake duct. Check to make sure that the accelerator pedal moves without binding by pressing it to the floor. Release it a few times while the engine is OFF.

Reset the IAC valve by turning the ignition on for 10 seconds and then turn it off for 5 seconds. Start the engine and test for the correct idle speed.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches, screwdrivers

  • Torque wrench

  • Replacement gaskets

  • Plastic scraper

 How to Replace the Throttle Body in a Honda Accord

Remove the Throttle Body

Remove the negative cable from the battery. Take the air intake tube from the throttle body. Drain at least half the coolant from the cooling system so that the level of coolant is below the throttle body.

Take off the coolant hoses that run to the throttle body. Clamp off the hoses before removing them to prevent leakage.

Label all the vacuum hoses that run to the throttle body, then remove them. Disengage the wiring connectors on the throttle body. Label the throttle control cable (and/or the accelerator cable) and then disconnect it.

Take off the nuts that hold the throttle body to the intake plenum. Release the nuts a half-turn at a time in turn so that the pressure is evenly released.

Lift the throttle body from the intake plenum. Pull the gasket out and discard it.

Clean the gasket mating surfaces thoroughly. Use a plastic scraper to remove old gasket material, dirt and debris.

Install the Throttle Body

Position a new gasket correctly on the plenum. Set the throttle body over the studs on the plenum. Torque the nuts in several passes, using an alternating sequence, to 16 foot pounds.

Reconnect the throttle control cable and (/or the accelerator cable). Reconnect the vacuum hoses and the wiring, paying careful attention to the labeling.

Reconnect the coolant hoses. Fill the cooling system to the proper level with the suggested type and mix of coolant.

Put the air intake ducts in place. Reconnect the negative battery cable.

Start the engine. Check for leaks. Let the engine run for several minutes, then turn off the ignition. Test the coolant level and top off as needed.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches, screwdrivers

  • Clean shop cloths

  • Replacement gasket

  • Torque wrench

  • Plastic scraper

  • Coolant

 How to Replace the Throttle Body in a Hyundai Sonata

Put the ignition in the off position and allow the engine to cool completely before servicing the vehicle. Disconnect the negative battery cable.

Remove the engine cover and remove the throttle body electrical connector. Loosen and remove the bolts that hold the throttle body.

Lift out the throttle body and its gasket. Discard the gasket. Clean the mating surfaces of the throttle body thoroughly to remove any gasket material or other dirt and debris.

Install the throttle body with a new gasket. Set the bolts in place on the throttle body and finger tighten them.

Torque the bolts to 21 foot pounds. Reattach the throttle body electrical connector. Replace the engine cover.

Reconnect the negative battery cable to the terminal. Start the engine and allow it to run for several minutes until it is warm. Check for optimal engine operation.

Items you will need

  • Mechanic's toolset

  • Clean shop cloths

  • Replacement gaskets

  • Torque wrench

 How to Replace the Throttle Body in a Ford Focus

Be sure the engine is completely cool before starting this procedure. Take the negative battery cable from the terminal and isolate it.

Remove the accelerator cable and the retaining clip, then disconnect the speed control cable and the air cleaner outlet tube. Disconnect the electrical connector for the throttle position sensor (TPS).

Lift out the throttle body. Remove the gasket and discard it. Clean any dirt, debris, carbon deposits and old gasket material from the gasket mating surfaces. Take care not to damage any of the surfaces.

Set the throttle body in place with a new gasket. Torque the fasteners to 84 inch pounds.

Reconnect the TPS electrical connector and the air cleaner outlet tube. Install the speed control cable, the accelerator cable and the retaining clip.

Attach the battery ground cable to the terminal. Start the engine. Test all connections and make sure the engine is operating.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches, screwdrivers

  • Torque wrench

  • Replacement gasket

  • Clean shop cloths

  • Plastic scraper

 How to Replace the Throttle Body in a Ford Explorer

Remove the Throttle Body

Disconnect the battery ground cable and isolate it to avoid accidental contact the terminal during installation of the throttle body. Separate the air inlet tube from the throttle body after loosening the clamps.

Take out the throttle linkage shield. Pull the accelerator and speed control cables from the lever on the throttle body.

Label the engine wiring harness connectors on the throttle position sensor (TPS) and the idle air control (IAC) valve then disengage them from the throttle body.

Loosen the four nuts that hold the throttle body in place. Remove the nuts and then take the throttle body off the upper intake manifold. Separate the gasket and throw it away.

Clean all the mating surfaces to remove old gasket material, dirt and debris. Use a plastic scraping device as needed to avoid scratching the aluminum.

Install the Throttle Body

Set a new gasket with the throttle body onto the upper intake manifold. Position the mounting nuts in place. Torque the nuts in a crisscross pattern to 80 inch pounds of torque on the 4.0L and 4.6L engines and to 71 to 89 inch pounds of torque on the 5.0L engine.

Connect the TPS and IAC valve wiring connectors. Be sure to remove the labels.

Reconnect the speed control and the accelerator cables to the lever on the throttle body. Replace the throttle linkage shield.

Replace the air inlet tube between the throttle body and the air cleaner housing. Tighten the clamps to secure the tube in place.

Start the engine. Inspect all the connections and verify engine performance.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches, screwdrivers

  • Torque wrench

  • Replacement gasket

  • Clean shop cloths

  • Plastic scraper

 How to Replace the Throttle Body in a Mazda 6

Remove the Throttle Body

Make sure the engine is completely cool. Disconnect the battery ground and then isolate it to avoid accidental contact with the terminal while installing the throttle body.

Drain the coolant from the engine. Store the coolant to be recycled in a sealable container.

Take off the mud guard and the resonance chamber from the left front of the vehicle. Disconnect and then remove the sensors for the Intake Air Temperature and the Mass Airflow.

Pull the vacuum hose from the purge solenoid valve. Take off the air hose and the water hose.

Remove the fasteners that secure the throttle body in place. Lift the throttle body from the manifold. Take out the gasket and throw it away.

Install the Throttle Body

Clean all traces of old gasket material, debris and carbon deposits from the gasket mating surfaces. Position a new gasket on the throttle body.

Set the new throttle body in place. Tighten the fasteners.

Refill the cooling system with an appropriate type and mix of coolant. Reconnect the battery ground cable.

Start the engine and test the system for leaks of coolant or vacuum. Make the necessary adjustments. Re-check the coolant level and add as needed.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches, screwdrivers

  • Torque wrench

  • Replacement gasket

  • Clean shop cloths

  • Plastic scraper

  • Coolant

 How to Replace the Throttle Body in a Chrysler Sebring Convertible

Take the ground battery cable from the left strut tower. Place the insulator grommet on the stud to prevent the battery from accidentally grounding. Remove the air cleaner/inlet resonator assembly.

Relieve the tension on the throttle cable and slide out the cable clasp to disengage the throttle cable. Rotate the lever on the throttle to wide open then slide the cable clasp out of the hole and remove the speed control cable.

Take the EVAP purge hose from the base of the throttle body. Disconnect the electrical connectors for the IAC motor and the TPS. Unfasten the bolts that hold the throttle body in place.

Lift out the throttle body from the vehicle. Place a clean shop cloth over the opening to the manifold to prevent dirt from falling into the engine. Remove the gasket and discard it. Clean the gasket mating surfaces thoroughly.

Position a new throttle body basket on the intake manifold, then set the throttle body over it. Install the mounting bolts and torque them to 250 inch pounds of torque.

Secure the IAC motor and the TPS electrical connections to the throttle body. Install the cruise control cable, then install the throttle cable onto the throttle level. Connect the EVAP purge hose to the throttle body.

Install the air cleaner/inlet resonator assembly. Connect the negative battery cable.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches, screwdrivers

  • Torgue wrench

  • Clean shop cloths

  • Plastic scraper

  • Replacement gaskets

 How to Replace the Throttle Body in a Mitsubishi Galant

Remove the Throttle Body

Relieve the pressure in the fuel system. Keep in mind that the pressure is maintained even when the vehicle is cold. Drain the cooling system (see Warnings).

Mark the accelerator cable adjuster bolt on the mounting flange to note its location to insure proper re-installation. Loosen the adjusting bolt for the throttle cable and remove it. Take the throttle cable off the throttle body lever.

Take out the breather hose connection and then remove the air intake hose from the throttle body and push it to one side. Label all the throttle body vacuum hoses and electrical connectors and their fittings. Disconnect the vacuum hoses and connectors.

Pull the water hoses from the base of the throttle body. Take out the air fitting and its gasket.

Remove the fasteners that secure the throttle body. Lift the throttle body off the engine. Pull the gasket and throw it away. Place a clean shop cloth over the opening to prevent debris from falling into the engine.

Install the Throttle Body

Clean any dirt, debris and old gasket matter from the throttle body mating surfaces with a plastic scraper. Position a new gasket on the intake manifold.

Set the new throttle body in place on the manifold. Tighten the fasteners with a torque wrench.

Install new clamps and reconnect the water hoses to the throttle body. Engage the electrical connectors and the vacuum hoses that were labeled earlier.

Continue the installation, reconnecting and installing components in the reverse order of their removal. Reconnect the battery ground cable and tighten the bolt at the terminal.

Refill the cooling system with the proper amount, type and mix of coolant. Start the engine and check for leaks. Make any necessary adjustments. Check the level of the coolant and add more, as needed.

Items you will need

  • Mechanic's toolset

  • Clean shop cloths

  • Replacement gasket

  • Plastic scraper

  • Sealable container

  • Torque wrench

  • Coolant

 How to Replace the Throttle Body in a VW Jetta

Remove the Throttle Body

Make sure the engine is completely cool. Disconnect the battery ground. Isolate it so that it cannot make accidental contact with the terminal while installing the throttle body. Drain the engine coolant.

Disconnect the air intake duct and set it to the side to allow access to the throttle valve housing. Disengage the wiring harness the throttle position sensor then take the accelerator cable out of the housing.

Take off the expansion tank filler cap found on the VR6 engine. Clamp the coolant hoses to prevent the leakage of coolant, then remove them from the throttle body. Remove the Evaporative Emissions hose from the throttle body on four-cylinder engines.

Loosen the retainers that secure the throttle body to the intake manifold. Lift off the throttle body, pull the gasket and dispose of it. Place a clean shop cloth over the opening on the manifold to prevent debris from falling into the engine.

Install the Throttle Body

Clean any old gasket material, carbon deposits and debris from the gasket mating surfaces on the throttle body and the manifold. Take care not to damage the surfaces with sharp instruments.

Place a new gasket on the throttle body. Install the throttle body to the manifold. Transfer all sensors when the housing is being replaced along with the throttle body.

Reconnect the EVAP vent hose on the four-cylinder engine. Reconnect the coolant hoses to the throttle body on the VR6 and then remove the clamps.

Attach the accelerator cable to the throttle valve. Reconnect the TSP wiring harness. Set the air intake duct in position.

Refill the engine coolant with the proper type and mix. Reconnect the battery ground cable.

Start the engine and check for leaks and make the necessary adjustments. Test the coolant level and add as needed.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches and screwdrivers

  • Torque wrench

  • Clean shop cloths

  • Replacement gasket

 How to Replace the Throttle Body in a VW Beetle

Remove the Throttle Body

Make sure the engine and all components are completely cool. Disconnect the battery ground. Then isolate it to avoid accidental contact with the terminal while installing the throttle body.

Remove the engine cover fasteners and take off the engine cover. Take out the air intake duct and then take the cover off the air filter. Disengage the electrical connector from the throttle control assembly.

Label the hoses on the throttle body to their respective fittings. Disconnect all the hoses. Take the accelerator cable from the throttle body on vehicles with the 2.0L engine.

Remove the throttle body fasteners and lift the throttle body off the manifold. Drape a clean shop cloth over the opening to prevent debris from falling into the engine.

Pull the gasket and dispose of it. Clean the mating surfaces of all traces of dirt, old gasket material and carbon deposits.

Install the Throttle Body

Install a new gasket on the throttle body. Finger-tighten the bolts and then torque them to 84 inch pounds.

Attach the accelerator cable to throttle body on the 2.0L engine. Connect all vacuum hoses to the throttle body. Be sure to remove the labels or tags.

Reconnect the remaining components in the order of their removal. Position the engine cover over the engine and tighten the retaining screws.

Connect the battery ground to the terminal and tighten the bolt. Start the engine, check for leaks and make the necessary adjustments.

Items you will need

  • Mechanic's toolset, including a full socket set, wrenches and screwdrivers

  • Torque wrench

  • Clean shop cloths

  • Replacement gasket

About the Author

This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. To submit your questions or ideas, or to simply learn more about It Still Runs, contact us.