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How to Replace a Throttle Return Spring

How to Replace a Throttle Return Spring 1

On many vehicles, a mechanical throttle cable connects the accelerator pedal to the throttle. When the driver steps on the accelerator, the cable pulls the throttle open to allow more air into the engine. The throttle return spring pushes the throttle closed when the driver lets off the gas.

A weak or failed throttle return spring will prevent the throttle from easily returning to its resting position. This can result in engine racing and unintended acceleration.

Part 1 of 1: Replacing the throttle return spring

Materials Needed

How to Replace a Throttle Return Spring 2

Step 1: Locate the throttle return spring. The throttle return spring is located on the side of the carburetor.

How to Replace a Throttle Return Spring 3

Step 2: Remove the air cleaner assembly. Remove the wing nut by hand, then remove the air cleaner and air cleaner assembly from the top of the carburetor.

How to Replace a Throttle Return Spring 4

Step 3: Disconnect the throttle return spring. Disconnect the throttle return spring by carefully unhooking it at both ends using needle nose pliers.

How to Replace a Throttle Return Spring 5

Step 4: Connect the new throttle return spring. Hook the new throttle return spring through one of the two eyelets. Then carefully stretch and pull it through the second eyelet using needle nose pliers.

How to Replace a Throttle Return Spring 6

Step 5: Install the air cleaner assembly. Install the air cleaner assembly on top of the carburetor and secure it with the wing nut.

That’s what it takes to replace the throttle return spring. If this seems like a job you’d prefer to leave to a professional, YourMechanic offers expert throttle return spring replacement at the location of your choice.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
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