Product Description
ZF6HP21 ZF6HP28 ZF6HP34 Clutch A & E Control Boost Valve Kit
SERVICES TWO BORES
Sonnax Part Number: 95740-28K
NO TOOLING REQUIRED
ZF6HP21/28/34 (Gen. 2) transmissions are equipped with an aluminum sleeve for the clutch A and E control boost valve. This material is prone to wear from valve plunger reciprocation. Failure of this sleeve results in a variety of shift problems and solenoid codes. The Sonnax clutch A and E control boost valve kit 95740-28K will restore the correct hydraulic clearance and proper function of the assembly.
- Hardcoat anodized aluminum valve combats premature wear
- Sleeve is highly wear-resistant to increase service life
- Drop-in Zip Valve™ parts install quickly and easily
PACKAGE CONTAINS
- Valve
SYMPTOMS
- 5-4 Flare
- 5-4 Neutral
- No 4-5
- VFS 1/A solenoid control code
- Delayed Forward
- Harsh Forward
CAUSE
OE boost sleeve wears prematurely, allowing critical pressure loss and/or seizure of valve within sleeve.
CORRECTION
Recover hydraulic control and renew shift performance by installing Sonnax drop-in clutch A & E control boost valve kit.
Product Videos
Custom Field
Tooling Required? No
