Symptoms:
- Erratic line pressure
- Burnt clutches
- Poor shift quality
- Low converter & lube flow
- Overheating
Cause:
Continuous oscillation of pressure regulator boost valve results in excess sleeve bore wear, allowing line pressure to exhaust and/or blocking converter feed oil.Correction:
Restore line pressure performance and renew converter feed by installing the Sonnax drop-in pressure regulator boost valve kit.9T45, 9T50, 9T60, 9T65
Pressure Regulator Boost Valve Kit
Part No. 184740-02K
You need this if...
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GM 9T45/50/60/65 transmissions may exhibit multiple line pressure and converter-related problems due to high wear in the main pressure regulator boost valve sleeve bore. Sonnax pressure regulator boost valve kit 184740-02K has upgraded materials and minimal clearances to prevent wear and restore boost valve functionality for proper line pressure.
- Boost sleeve is manufactured from highly wear-resistant billet aluminum to prevent wear
- Hardcoat anodized aluminum valve combats premature wear
- Drop-in Zip Valve™ parts install quickly and easily
- Valve
- Sleeve
You need this if...
Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.
