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Sonnax 34994-02K Transmission 1-2 & 3-4 Shift Valve Spring Kit 4L80E 91-18

Description: 4L80-E, 4L85-E Transmission 1-2 & 2-3 Shift Valve Spring KitPart No. 34994-02KIn 4th Gear, signal A oil force must overpower the 1-2 shift valve spring and opposing signal B pressure in GM 4L80-E and 4L85-E transmissions. If the 1-2 shift valve does not remain fully stroked, drive oil to second and direct will be cut off or go to exhaust. The reaction area of A is greater than that of B, so the spring is the stroking factor. Complaints of 2nd Gear starts, Neutral after 2-3 shift or no 4th Gear are compounded by worn AFL limit bores, leaking O-rings and solenoids. When AFL oil drops, and signal A becomes less than 58 psi, the 1-2 valve will stall or float. This 3-1 or complaint of 3rd Neutral will occur in OD or D with scanner indication of 4th commanded. Sonnax 1-2 and 2-3 shift valve spring kit 34994-02K replaces the original 1-2 shift valve spring and 2-3 shift valve spring.Set allows salvage of stripped coresRestores signal pressure to shift solenoidsImproves shiftNote: Springs MUST be used together. This is not a fix for leaking solenoids or leaking seals in the solenoid signal or actuator feed limit circuits. See AFL valve repair 34200-16K.Contents1-2 Shift Valve Spring2-3 Shift Valve Spring A NAME YOU CAN TRUSTAs an industry veteran in the transmission parts supply business, you can buy with confidence.  Our goal is to provide high quality parts, an experienced sales force, and the highest levels of product availability possible.Important InformationShippingReturnsCore PolicyImportant InformationShippingReturnsCore Policy As a buyer, it is your responsibility to verify that this product is compatible with your application.  For any general questions, technical support, or to verify part fitment please send us a message. Our support is free, and we typically respond within minutes. ​​​​​​​ Your order will be shipped within 1 business days (MON-FRI excluding holidays) of receiving payment and you should expect to receive it five to seven days via US Postal Service or UPS Ground Standard Shipping unless another shipping method is chosen.  In addition to UPS Ground, we offer expedited services as well as local pick-up. Please contact us if a quote is needed and we will be happy to work with you. Please Note: All packages valued at over $500 WILL require a signature upon delivery.  If your package arrives damaged, please do not open and contact us immediately.  If your package is returned by the carrier due to address errors, you will be responsible for the shipping cost.  International Customers: Please make sure you monitor your package. Any import duty/taxes must be paid by the buyer. If you do not pay in a timely fashion your package will be returned. You will not receive a refund for the returned items until they’re delivered. Shipping fees will not be reimbursed. ​​​​​​​ 30 Day return policy for unused, uninstalled items. Any product you return must be in the same condition you received it and in the original packaging. If you’re having an issue with a used or remanufactured item and it’s been installed, we require the buyer to contact us immediately so we can provide trouble shooting information. Worst case scenario if that fails, exchange only. Certain item such as used items, tools, and one time use items are not eligible for return.  As a buyer, it is your responsibility to verify that this product is compatible with your application.​​​​​​​  If you ordered the wrong item for your application YOU are responsible for the return shipping.  20% Restocking Fee May Apply If you are purchasing an item in which a core charge is required, please be sure your contact information is current.  If core charge is not paid within 1 week of purchase, your order will be cancelled. Upon receiving your new part, there will be a prepaid shipping label included so you can return your core (old part) to us free of charge. Please make sure to use the label we send you. You have 14 days to ship your core back to us from the time your new part was delivered. If you do not ship the core within 14 days, you WILL LOSE YOUR REFUNDABLE CORE CHARGE. Exceptions are possible, BUT YOU MUST contact us to make us aware of the situation. ATTENTION INTERNATIONAL BUYERS: Due to the inflation of shipping costs, we are unable to pay for the return shipping on the core. If you want the core charge refunded, you will have to pay for shipping. We apologize for any inconvenience this may cause. Once your core is delivered, please allow 3-5 business days for your refund to be processed. See our other items4L80-E, 4L85-E Transmission 1-2 & 2-3 Shift Valve Spring Kit Part No. 34994-02K In 4th Gear, signal A oil force must overpower the 1-2 shift valve spring and opposing signal B pressure in GM 4L80-E and 4L85-E transmissions. If the 1-2 shift valve does not remain fully stroked, drive oil to second and direct will be cut off or go to exhaust. The reaction area of A is greater than that of B, so the spring is the stroking factor. Complaints of 2nd Gear starts, Neutral after 2-3 shift or no 4th Gear are compounded by worn AFL limit bores, leaking O-rings and solenoids. When AFL oil drops, and signal A becomes less than 58 psi, the 1-2 valve will stall or float. This 3-1 or complaint of 3rd Neutral will occur in OD or D with scanner indication of 4th commanded. Sonnax 1-2 and 2-3 shift valve spring kit 34994-02K replaces the original 1-2 shift valve spring and 2-3 shift valve spring. Set allows salvage of stripped cores Restores signal pressure to shift solenoids Improves shift Note: Springs MUST be used together. This is not a fix for leaking solenoids or leaking seals in the solenoid signal or actuator feed limit circuits. See AFL valve repair [34200-16K] (https://www.ebay.com/itm/175693991920) . Contents ---1-2 Shift Valve Spring ---2-3 Shift Valve Spring 4L80-E, 4L85-E Transmission 1-2 & 2-3 Shift Valve Spring KitPart No. 34994-02KIn 4th Gear, signal A oil force must overpower the 1-2 shift valve spring and opposing signal B pressure in GM 4L80-E and 4L85-E transmissions. If the 1-2 shift valve does not remain fully stroked, drive oil to second and direct will be cut off or go to exhaust. The reaction area of A is greater than that of B, so the spring is the stroking factor. Complaints of 2nd Gear starts, Neutral after 2-3 shift or no 4th Gear are compounded by worn AFL limit bores, leaking O-rings and solenoids. When AFL oil drops, and signal A becomes less than 58 psi, the 1-2 valve will stall or float. This 3-1 or complaint of 3rd Neutral will occur in OD or D with scanner indication of 4th commanded. Sonnax 1-2 and 2-3 shift valve spring kit 34994-02K replaces the original 1-2 shift valve spring and 2-3 shift valve spring.Set allows salvage of stripped coresRestores signal pressure to shift solenoidsImproves shiftNote: Springs MUST be used together. This is not a fix for leaking solenoids or leaking seals in the solenoid signal or actuator feed limit circuits. See AFL valve repair 34200-16K.Contents1-2 Shift Valve Spring2-3 Shift Valve Spring A NAME YOU CAN TRUSTAs an industry veteran in the transmission parts supply business, you can buy with confidence.  Our goal is to provide high quality parts, an experienced sales force, and the highest levels of product availability possible.Important Information As a buyer, it is your responsibility to verify that this product is compatible with your application.  For any general questions, technical support, or to verify part fitment please send us a message. Our support is free, and we typically respond within minutes. ​​​​​​​ Shipping Your order will be shipped within 1 business days (MON-FRI excluding holidays) of receiving payment and you should expect to receive it five to seven days via US Postal Service or UPS Ground Standard Shipping unless another shipping method is chosen.  In addition to UPS Ground, we offer expedited services as well as local pick-up. Please contact us if a quote is needed and we will be happy to work with you. Please Note: All packages valued at over $500 WILL require a signature upon delivery.  If your package arrives damaged, please do not open and contact us immediately.  If your package is returned by the carrier due to address errors, you will be responsible for the shipping cost.  International Customers: Please make sure you monitor your package. Any import duty/taxes must be paid by the buyer. If you do not pay in a timely fashion your package will be returned. You will not receive a refund for the returned items until they’re delivered. Shipping fees will not be reimbursed. ​​​​​​​Returns 30 Day return policy for unused, uninstalled items. Any product you return must be in the same condition you received it and in the original packaging. If you’re having an issue with a used or remanufactured item and it’s been installed, we require the buyer to contact us immediately so we can provide trouble shooting information. Worst case scenario if that fails, exchange only. Certain item such as used items, tools, and one time use items are not eligible for return.  As a buyer, it is your responsibility to verify that this product is compatible with your application.​​​​​​​  If you ordered the wrong item for your application YOU are responsible for the return shipping.  20% Restocking Fee May Apply Core Policy If you are purchasing an item in which a core charge is required, please be sure your contact information is current.  If core charge is not paid within 1 week of purchase, your order will be cancelled. Upon receiving your new part, there will be a prepaid shipping label included so you can return your core (old part) to us free of charge. Please make sure to use the label we send you. You have 14 days to ship your core back to us from the time your new part was delivered. If you do not ship the core within 14 days, you WILL LOSE YOUR REFUNDABLE CORE CHARGE. Exceptions are possible, BUT YOU MUST contact us to make us aware of the situation. ATTENTION INTERNATIONAL BUYERS: Due to the inflation of shipping costs, we are unable to pay for the return shipping on the core. If you want the core charge refunded, you will have to pay for shipping. We apologize for any inconvenience this may cause. Once your core is delivered, please allow 3-5 business days for your refund to be processed. See our other items 4L80-E, 4L85-E Transmission 1-2 & 2-3 Shift Valve Spring KitPart No. 34994-02KIn 4th Gear, signal A oil force must overpower the 1-2 shift valve spring and opposing signal B pressure in GM 4L80-E and 4L85-E transmissions. If the 1-2 shift valve does not remain fully stroked, drive oil to second and direct will be cut off or go to exhaust. The reaction area of A is greater than that of B, so the spring is the stroking factor. Complaints of 2nd Gear starts, Neutral after 2-3 shift or no 4th Gear are compounded by worn AFL limit bores, leaking O-rings and solenoids. When AFL oil drops, and signal A becomes less than 58 psi, the 1-2 valve will stall or float. This 3-1 or complaint of 3rd Neutral will occur in OD or D with scanner indication of 4th commanded. Sonnax 1-2 and 2-3 shift valve spring kit 34994-02K replaces the original 1-2 shift valve spring and 2-3 shift valve spring.Set allows salvage of stripped coresRestores signal pressure to shift solenoidsImproves shiftNote: Springs MUST be used together. This is not a fix for leaking solenoids or leaking seals in the solenoid signal or actuator feed limit circuits. See AFL valve repair 34200-16K.Contents1-2 Shift Valve Spring2-3 Shift Valve Spring

Price: 11 USD

Location: Shepherdsville, Kentucky

End Time: 2024-08-18T18:15:56.000Z

Shipping Cost: N/A USD

Product Images

Sonnax 34994-02K Transmission 1-2 & 3-4 Shift Valve Spring Kit 4L80E 91-18Sonnax 34994-02K Transmission 1-2 & 3-4 Shift Valve Spring Kit 4L80E 91-18

Item Specifics

Return shipping will be paid by: Buyer

Returns Accepted: Returns Accepted

Item must be returned within: 30 Days

Refund will be given as: Money back or replacement (buyer's choice)

Return policy details:

Brand: Sonnax

Other Part Number: S34741S-3

Interchange Part Number: S34741S-3

OE/OEM Part Number: 34994-02K

Items Included: 1-2 & 2-3 Shift Valve Spring Kit

Manufacturer Part Number: 34994-02K

Universal Fitment: Yes

Vintage Part: No

Country/Region of Manufacture: United States

Performance Part: Yes

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