How to Replace a Throttle Return Spring

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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.


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Recent Throttle Return Spring Replacement reviews

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YourMechanic Throttle Return Spring Replacement Service

Average Rating

4.9/5

Number of Reviews

129,829

Rating Summary
121,202
4,801
964
664
2,198
121,202
4,801
964
664
2,198

Isai

26 years of experience
230 reviews
Isai
26 years of experience
Chevrolet Monte Carlo - Throttle Return Spring - San Antonio, Texas
Isai was able to arrive a little earlier than scheduled which was great. My car is an older car and it uses a carburetor not fuel injection. Finding a mechanic that knows how to work on a car with a carburetor can be a real challenge. I found Isai to be very knowledgeable and through. He answered all my many questions. He is very friendly. I certainly would use him in the future.

John

26 years of experience
488 reviews
John
26 years of experience
Nissan Altima - AC is not working - Houston, Texas
John is the best mechanic that I’ve ever dealt with he does a great job and is so friendly I would definitely recommend him to work on anyone’s car

Keith

25 years of experience
231 reviews
Keith
25 years of experience
Mitsubishi Diamante - Idle Control Valve - Fort Worth, Texas
Keith was on time and did the work in a timely manner. Hope the least expensive fix keeps her running for a few more months!!!

Peter

35 years of experience
346 reviews
Peter
35 years of experience
Ford Explorer - Starter - Scottsdale, Arizona
Did a great job and was very friendly.

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