Neil Lane

Sonnax 77701-076 Transmission Servo Release Check Valve 4L60E 4L65E 4L70E

Description: 4L60, 4L60-E, 4L65-E, 4L70-EServo Release Check Valve KitPart No. 77701-0762nd Gear Servo ReleaseTechnicians would like to find a way to successfully extend the life of 3-4 clutches, and improve the 2-3 shift feel. They have been trying, with limited success, since the GM 4L60 (TH700-R4) and 4L60-E series transmissions were introduced. Inadequate metering of 2nd gear band servo release oil causes 3-4 clutch failure. The 3-4 clutch and 2nd Gear band are not properly synchronized. Sonnax servo release check valve kit 77701-076 is a unique solution that combines an orifice with a ball check valve to resolve these problems.Improved design meters servo release oil, reducing 3-4 clutch failureProvides sufficient exhaust so that 3-2 downshifts are smoothCalibrates 3-4 clutch feed orifice without creating shift concernsDrop-in Zip Valve™ parts install quickly and easilyNoteMust be used with properly functioning OE capsule.ContentsValveO-Ring 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 items4L60, 4L60-E, 4L65-E, 4L70-E Servo Release Check Valve Kit Part No. 77701-076 2nd Gear Servo Release Technicians would like to find a way to successfully extend the life of 3-4 clutches, and improve the 2-3 shift feel. They have been trying, with limited success, since the GM 4L60 (TH700-R4) and 4L60-E series transmissions were introduced. Inadequate metering of 2nd gear band servo release oil causes 3-4 clutch failure. The 3-4 clutch and 2nd Gear band are not properly synchronized. Sonnax servo release check valve kit 77701-076 is a unique solution that combines an orifice with a ball check valve to resolve these problems. ---Improved design meters servo release oil, reducing 3-4 clutch failure ---Provides sufficient exhaust so that 3-2 downshifts are smooth ---Calibrates 3-4 clutch feed orifice without creating shift concerns ---Drop-in Zip Valve™ parts install quickly and easily Note Must be used with properly functioning OE capsule. Contents ---Valve ---O-Ring 4L60, 4L60-E, 4L65-E, 4L70-EServo Release Check Valve KitPart No. 77701-0762nd Gear Servo ReleaseTechnicians would like to find a way to successfully extend the life of 3-4 clutches, and improve the 2-3 shift feel. They have been trying, with limited success, since the GM 4L60 (TH700-R4) and 4L60-E series transmissions were introduced. Inadequate metering of 2nd gear band servo release oil causes 3-4 clutch failure. The 3-4 clutch and 2nd Gear band are not properly synchronized. Sonnax servo release check valve kit 77701-076 is a unique solution that combines an orifice with a ball check valve to resolve these problems.Improved design meters servo release oil, reducing 3-4 clutch failureProvides sufficient exhaust so that 3-2 downshifts are smoothCalibrates 3-4 clutch feed orifice without creating shift concernsDrop-in Zip Valve™ parts install quickly and easilyNoteMust be used with properly functioning OE capsule.ContentsValveO-Ring 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 4L60, 4L60-E, 4L65-E, 4L70-EServo Release Check Valve KitPart No. 77701-0762nd Gear Servo ReleaseTechnicians would like to find a way to successfully extend the life of 3-4 clutches, and improve the 2-3 shift feel. They have been trying, with limited success, since the GM 4L60 (TH700-R4) and 4L60-E series transmissions were introduced. Inadequate metering of 2nd gear band servo release oil causes 3-4 clutch failure. The 3-4 clutch and 2nd Gear band are not properly synchronized. Sonnax servo release check valve kit 77701-076 is a unique solution that combines an orifice with a ball check valve to resolve these problems.Improved design meters servo release oil, reducing 3-4 clutch failureProvides sufficient exhaust so that 3-2 downshifts are smoothCalibrates 3-4 clutch feed orifice without creating shift concernsDrop-in Zip Valve™ parts install quickly and easilyNoteMust be used with properly functioning OE capsule.ContentsValveO-Ring

Price: 15 USD

Location: Shepherdsville, Kentucky

End Time: 2024-09-08T14:47:01.000Z

Shipping Cost: N/A USD

Product Images

Sonnax 77701-076 Transmission Servo Release Check Valve 4L60E 4L65E 4L70ESonnax 77701-076 Transmission Servo Release Check Valve 4L60E 4L65E 4L70ESonnax 77701-076 Transmission Servo Release Check Valve 4L60E 4L65E 4L70ESonnax 77701-076 Transmission Servo Release Check Valve 4L60E 4L65E 4L70E

Item Specifics

Restocking Fee: No

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)

Brand: Sonnax

Other Part Number: S74480C

Type: Check Valve

Items Included: Servo Relaease Valve Kit

Manufacturer Part Number: 77701-076

Universal Fitment: Yes

Vintage Part: No

Performance Part: Yes

Recommended

E4OD 4R100 Aluminum Center Support With Sonnax Snap Ring # 36743-02 1989-UP
E4OD 4R100 Aluminum Center Support With Sonnax Snap Ring # 36743-02 1989-UP

$52.99

View Details
4L60E Tool Bellhousing Torx-Plus Bit from Sonnax fits L1996-E2009 Chevy GMC GM
4L60E Tool Bellhousing Torx-Plus Bit from Sonnax fits L1996-E2009 Chevy GMC GM

$20.47

View Details
Sonnax 77010-01 Wide Reaction Sun Gear Bushing 4L60, 4L60-E, 4L65-E, 4L70-E
Sonnax 77010-01 Wide Reaction Sun Gear Bushing 4L60, 4L60-E, 4L65-E, 4L70-E

$9.99

View Details
Sonnax 96423-01 Ball Bearing, Center Support (1.18" ID, 1.85" OD) 4R100, E4OD
Sonnax 96423-01 Ball Bearing, Center Support (1.18" ID, 1.85" OD) 4R100, E4OD

$19.80

View Details
68RFE Dodge Bushing Driver Kit for Sonnax 72030-68K and others
68RFE Dodge Bushing Driver Kit for Sonnax 72030-68K and others

$75.00

View Details
Sonnax 28821-20K Supported Servo Master Kit Everything Needed For The Powerglide
Sonnax 28821-20K Supported Servo Master Kit Everything Needed For The Powerglide

$114.55

View Details
4L60E, 4L65E, 4L70E Sonnax Oversized Pressure Regulator Valve
4L60E, 4L65E, 4L70E Sonnax Oversized Pressure Regulator Valve

$23.00

View Details
4L60E Tool Bellhousing Torx-Plus Bit from Sonnax fits L1996-E2009 Chevy GMC GM
4L60E Tool Bellhousing Torx-Plus Bit from Sonnax fits L1996-E2009 Chevy GMC GM

$18.99

View Details
Sonnax S104584LD Lube Dam; Output Planetary 6L80,6L90,6L80-E (06-22)
Sonnax S104584LD Lube Dam; Output Planetary 6L80,6L90,6L80-E (06-22)

$38.17

View Details
Sonnax 77898E-16K Boost Valve Kit 4L60E 4L65E 4L70E Late pump design, .472" dia
Sonnax 77898E-16K Boost Valve Kit 4L60E 4L65E 4L70E Late pump design, .472" dia

$39.90

View Details