Product Description
Toyota/Lexus vehicles equipped with listed transmissions often exhibit TCC apply and release concerns, TCC or ratio codes, RPM surging, harsh downshifts and overheated fluid. These problems can be caused by deterioration of the lockup control sleeve due to constant valve oscillation within the sleeve. Installing Sonnax lockup control plunger valve kit 157740-37K prevents crucial pressure escape, correcting these issues and restoring normal operation.
- Hardcoat anodized aluminum plunger valve combats premature wear
- Sleeve manufactured from highly wear-resistant aluminum
- Drop-in Zip Valve® parts install quickly and easily
CONTENTS
- Plunger Valve
- Sleeve
SYMPTOMS
- Harsh downshifts
- TCC apply & release concerns
- TCC codes
- Cycling TCC RPM
- Overheated fluid
CAUSE
Wear in the lockup control sleeve allows critical pressure loss that leads to driveability concerns.
CORRECTION
Recover hydraulic control and renew TCC performance by installing Sonnax drop-in lockup control plunger valve kit.
