Step 5: Reinstall the air cleaner assembly and secure it with the wing nut. Hook it through one of the two eyelets and stretch and pull it through the second eyelet. Step 4: Connect the new throttle spring using the needle nose pliers. You will need to use the needle nose pliers for this. Step 3: Disconnect the damaged throttle return spring by unhooking it at both ends. Step 2: Remove the wing nut using your hand and then remove the air cleaner and air cleaner assembly from the carburetor. You should confirm that it is actually damaged before going ahead to replace it. Locate the throttle spring and check if it is damaged. Step 1: The throttle return spring can be found on the side of the carburetor. This can be found online from your manufacturer’s website or from other online sources
LINKAGE BRIGGS AND STRATTON THROTTLE SPRING DIAGRAM MANUAL
Your engine manual or a repair manual for your vehicle type.To replace the throttle return spring, you will need: You might be better off allowing a local certified mechanic to inspect the throttle return spring and make any necessary checks and repairs if any is needed. This is a very serious problem so you should have it looked into immediately. If you release your foot from the accelerator and the gas pedal doesn’t return to the normal position, then it is likely that the throttle return spring is damaged and needs to be fixed. You might not easily notice that the gas pedal feels spongy when depressed but you can easily notice that the gas pedal doesn’t return to the normal position. Gas pedal doesn’t return to its normal position However, this is something you should check out immediately before it gets any worse. In some cases, it could be that the spring is wearing out so you won’t notice any significant changes in the vehicle’s performance. If you depress the pedal and notice that it feels spongy all of a sudden, you could be dealing with a broken throttle return spring. Also, gravity can take over and help close the throttle. While you’re driving, this could cause you to panic, however, it can be corrected by driving the pedal manually using your foot. You will notice that the engine’s RPM will stay the same even after you let off the gas pedal. If the engine is running it will create a vacuum that will want to draw air into the intake making it difficult for the throttle blades to close on their own. If the spring is worn out or damaged, the throttle body will remain open. The function of the throttle return spring is to return the throttle to a closed position. Signs of a Faulty Throttle Return SpringĮngine RPM remains high after lifting off the accelerator Depending on the year of the vehicle, the throttle spring may have multiple stages so that if one part of the spring is worn out or damaged, there will be a backup to keep the throttle closed and prevent a dangerous situation. Depending on the vehicle, the throttle return spring is attached to the carburetor, throttle body, or throttle cable.
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