Replacing Your Car's Throttle Switch
The throttle switch is responsible for sending signals about the status of the engine like whether it is idles and whether it is currently under acceleration. A malfunction to this device can make your engine act funny and be slightly unresponsive which should convince you to replace the thing. The process isn't very hard but you should have some vehicle knowhow before starting.
Difficulty level: Moderate
Tools that you'll need:
- Throttle Switch
- Socket wrench
Removing the old throttle switch
Step 1: Open the hood of your car to access the engine compartment.
Step 2: Locate the throttle mechanism of your vehicle. Consult your repair manual if you're having difficulty.
Step 3: Remove the throttle rods of the bell crank.
Step 4: Move the bell crank in a clockwise direction to gain access to the accelerator cable.
Step 5: Remove the accelerator cable from the bell crank.
Step 6: Loosen and remove the accelerator mounting assembly's nut with a wrench through a slot.
Step 7: Remove the accelerator cable through the same slot.
Step 8: Open the kick down micro switch and remove its wires.
Step 9: Remove the throttle switch plug.
Step 10: Remove the nuts securing the bell crank assemble to the engine compartment with a socket wrench.
Step 11: Remove the bell crank to gain access to the throttle switch underneath.
Step 12: Remove the screws securing the throttle switch to the bell crank.
Step 13: Remove the throttle switch from the bell crank.
Installing the new throttle switch
Step 1: Install the new throttle switch to the bell crank and secure with the screws.
Step 2: Put back the bell crank into the engine and secure it by tightening the nuts.
Step 3: Put back the throttle switch plug.
Step 4: Rewire the micro switch.
Step 5: Put back the accelerator cable through the slot followed by the accelerator mounting assembly's nut.
Step 6: Reattach the accelerator cable to the bell crank.
Step 7: Rotate the bell crank to its original position.
Step 8: Reinstall the throttle rods to the bell crank.