Product Description
UA80E UA80F UB80E UB80F C2 Apply Boost Valve Kit
No tooling required
Vehicles with listed Toyota/Lexus transmissions may exhibit insufficient line rise in drive ranges 4th-6th Gears causing shift complaints and burnt C4 clutches. These problems may be caused by continuous oscillation of the C4 apply boost valve within the sleeve, creating excessive wear and a path for line pressure fluid to leak to exhaust. Sonnax C4 apply boost valve kit 168740-02K has upgraded materials and minimal clearances to prevent wear and restore proper hydraulic control.
- Sleeve is manufactured from highly wear-resistant billet aluminum to prevent wear
- Drop-in Zip Valve™ parts install quickly and easily
Symptoms
- C4 Clutch burned
- 4th & 6th Gear shift concerns
- Poor shift quality
Cause
Wear on the I.D. of the sleeve prevents proper positioning of the inboard C4 relay valve.
Correction
Sonnax drop-in C4 apply boost valve kit has upgraded materials and minimal clearances to prevent wear and restore proper hydraulic control.
Contents
- Valve
- Sleeve
