Sonnax 4L80E Boost Valve & Sleeve (#34200-03K)
Common problems in vehicles with GM 4L80-E and 4L85-E transmissions are uncontrollable line rise (upward of 500-600 psi), high line pressure in Reverse, buzzing noise, broken direct clutch drums and/or broken cases. These problems are usually caused by Reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve. High line pressure and buzz is created by oil leakage past the aluminum balance plug. Sonnax boost vavle kit 34200-03K eliminates these problems.Hardened steel boost valve with over 20% wider spools to provide better durability and increased sealing contact areaBoost valve spools have annular grooves to reduce side-loading that causes wearValve and sleeve are manufactured to close tolerances to restore proper clearance and hydraulic integrityKit includes a replacement aluminum balance oil plug with an O-ring to ensure proper sealing and adequate back pressure on the pressure regulator valveDrop-in Zip Valve� parts install quickly and easily
4L80E 4L85E Transmission Updated Boost Valve Sonnax 34200-03K 1991 Up
4L80E 4L85E Transmission Boost Valve Factory Style Sonnax 34200-03K 1991 Up. These problems are usually caused by reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve.
34200-03K – 4L80E 4L85E, BOOST VALVE KIT, NO O-RINGS, RETROFITS, SONNAX
SONNAX PRODUCTS – 34200-03K, 4L80E 4L85E, BOOST VALVE KIT, FITS 1991-UP UNITS WITH FACTORY-STYLE SLEEVE, NO O-RINGS, CAN BE RETROFITTED TO 1989-1991 UNITS, 34507RBK, SONNAX. SONNAX NUMBER: 34200-03K.
Sonnax 4L80E Boost Valve & Sleeve (#34200-03K)
These problems are usually caused by Reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve. Sonnax boost vavle kit 34200-03K eliminates these problems.
Sonnax 4L80E 4L85E Transmission Boost Valve Kit Repair High Pressure 34200-03K
4L80E 4L85E Transmission Sonnax Boost Valve Kit Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Symptoms: Broken partsBuzzing noiseHigh line pressureHigh line pressureUncontrollable line rise Cause: Worn boost valve sleeve allows reverse oil leakage and worn end plug causes imbalance of pressure regulator valve Correction: Ensure proper main regulator valve control with this boost valve and sleeve kit with O-ringed balance oil plug. Replaces 1991 – current OE boost valves. Factory style sleeve, no O-rings Common problems in vehicles with a 4L80-E transmission are uncontrollable line rise (upward of 500-600 psi), high line pressure in reverse, buzzing noise, broken direct clutch drums and/or broken cases. These problems are usually caused by reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve. High line pressure and buzz is created by oil leakage past the aluminum balance plug. The Sonnax replacement assembly 34200-03K eliminates these problems. Hardened steel boost valve with over 20% wider spools to provide better durability and increased sealing contact area.Boost valve spools have annular grooves to reduce side loading that causes wear.Valve and sleeve are manufactured to close tolerances to restore proper clearance and hydraulic integrity.Kit includes a replacement aluminum balance oil plug with an O-ring to ensure proper sealing and adequate back pressure on the pressure regulator valve.Kit contains instructions to retrofit parts dating back to 1989. NOTE: If you detect leakage between the sleeve and pump bore, use 34200-01K, which includes an O-ringed sleeve to compensate for pump bore wear and prevent pump scrappage. Kit includes instructions to retrofit parts dating back to 89. This is an actual picture of the item for sale. This is NOT a generic picture.Please provide a valid United States Postal Service mailing address (Mail) and a United Parcel Service shipping address (UPS Brown Truck) in the note field when you complete your check out.We will ship worldwide! If your country is not listed as a ship to location, please contact us for a United States Postal Service Priority Mail shipping price! *If you don’t see what you need here, contact us and we will list it here on eBay. We have hundreds of bearing kits and all kinds of hard parts available. You can reach us by calling toll free 1-866-223-5656 ext 5 and # or messaging us through eBay with any questions you may have.
.34200-03K 4L80e Boost Valve Kit 4l85e boost valve Sonnax FACTORY STYLE
Fits ’91-later units with factory-style sleeve. Can be retrofit to ’89-91 units See instructions for details on the Sonnax websiteRETROFIT WILL NOT BE PLUG AND PLAY READ THE SONNAX INSTRUCTIONS Boost Valve Boost Sleeve Factory style, no O-ringsBalance Plug with O-Ring Fits ’91-later units with factory-style sleeve. Can be retrofit to ’89-91 units. See instructions for details. Common problems in vehicles with a 4L80-E and 4L85-E transmissions are uncontrollable line rise (upward of 500-600 psi), high line pressure in reverse, buzzing noise, broken direct clutch drums and/or broken cases. These problems are usually caused by reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve. High line pressure and buzz is created by oil leakage past the aluminum balance plug. The Sonnax boost vavle kit 34200-03K eliminates these problems. Hardened steel boost valve with over 20% wider spools to provide better durability and increased sealing contact area.Boost valve spools have annular grooves to reduce side loading that causes wear.Valve and sleeve are manufactured to close tolerances to restore proper clearance and hydraulic integrity.Kit includes a replacement aluminum balance oil plug with an O-ring to ensure proper sealing and adequate back pressure on the pressure regulator valve.NOTE: If you detect leakage between the sleeve and pump bore, use 34200-01K, which includes an O-ringed sleeve to compensate for pump bore wear and prevent pump scrappage.
Sonnax 34200-03K Transmission Boost Valve & Sleeve Kit (Factory Style) 4L80E
4L80-E, 4L85-E Sonnax Boost Valve Kit. Sonnax Part No. 34200-03K. Boost valve spools have annular grooves to reduce side-loading that causes wear. Drop-in Zip Valve™ parts install quickly and easily. Note: If you detect leakage between the sleeve and pump bore, use 34200-01K, which includes an O-ringed sleeve to compensate for pump bore wear and prevent pump scrappage.
Sonnax 4L80E 4L85E Transmission Boost Valve Kit 34200-03K
4L80E 4L85E Transmission Sonnax Boost Valve Kit Symptoms:Broken partsBuzzing noiseHigh line pressureHigh line pressureUncontrollable line rise Cause:Worn boost valve sleeve allows reverse oil leakage and worn end plug causes imbalance of pressure regulator valve Correction:Ensure proper main regulator valve control with this boost valve and sleeve kit with O-ringed balance oil plug. Replaces 1991 – current OE boost valves.Factory style sleeve, no O-rings Common problems in vehicles with a 4L80-E transmission are uncontrollable line rise (upward of 500-600 psi), high line pressure in reverse, buzzing noise, broken direct clutch drums and/or broken cases. These problems are usually caused by reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve. High line pressure and buzz is created by oil leakage past the aluminum balance plug. The Sonnax replacement assembly 34200-03K eliminates these problems.Hardened steel boost valve with over 20% wider spools to provide better durability and increased sealing contact area.Boost valve spools have annular grooves to reduce side loading that causes wear.Valve and sleeve are manufactured to close tolerances to restore proper clearance and hydraulic integrity.Kit includes a replacement aluminum balance oil plug with an O-ring to ensure proper sealing and adequate back pressure on the pressure regulator valve.Kit contains instructions to retrofit parts dating back to 1989.NOTE:If you detect leakage between the sleeve and pump bore, use 34200-01K, which includes an O-ringed sleeve to compensate for pump bore wear and prevent pump scrappage. Kit includes instructions to retrofit parts dating back to 89.This is an actual picture of the item for sale. This is NOT a generic picture. Please provide a valid United States Postal Service mailing address (Mail) and a United Parcel Service shipping address (UPS Brown Truck) in the note field when you complete your check out. We will ship worldwide! If your country is not listed as a ship to location, please contact us for a United States Postal Service Priority Mail shipping price! *If you don’t see what you need here, contact us and we will list it here on eBay. We have hundreds of bearing kits and all kinds of hard parts available. You can reach us by calling toll free 1-866-223-5656 ext 5 and # or messaging us through eBay with any questions you may have.
Sonnax 34200-03K Transmission Boost Valve & Sleeve Kit (Factory Style) 4L80E
4L80-E, 4L85-E Transmission Boost Valve Kit Part No. 34200-03K Fits ’91-later units with factory-style sleeve, no O-rings. Can be retrofitted to ’89–91 units. See instructions for details. Common problems in vehicles with GM 4L80-E and 4L85-E transmissions are uncontrollable line rise (upward of 500-600 psi), high line pressure in Reverse, buzzing noise, broken direct clutch drums and/or broken cases. These problems are usually caused by Reverse boost oil that enters the torque signal circuit due to a wear-created cross leak at the sleeve. High line pressure and buzz is created by oil leakage past the aluminum balance plug. Sonnax boost vavle kit 34200-03K eliminates these problems. Hardened steel boost valve with over 20% wider spools to provide better durability and increased sealing contact area Boost valve spools have annular grooves to reduce side-loading that causes wear Valve and sleeve are manufactured to close tolerances to restore proper clearance and hydraulic integrity Kit includes a replacement aluminum balance oil plug with an O-ring to ensure proper sealing and adequate back pressure on the pressure regulator valve Note If you detect leakage between the sleeve and pump bore, use 34200-01K, which includes an O-ringed sleeve to compensate for pump bore wear and prevent pump scrappage. Contents Valve Sleeve Balance Plug With O-Ring