- Engine stall on engagement
- Harsh engagement
- High engine RPM
- Jerking on coastdown
- No lockup
The OE lockup control plunger valve and sleeve wear allowing hydraulic pressure to escape. The reduced or absent pressure affects the timing and quality of the lockup clutch apply and release action.
Replace the worn OE lockup control plunger valve and sleeve with Sonnax direct replacement components.
Lockup Control Plunger Valve Kit
- Sonnax aluminum plunger valve is hard-coat anodized to increase wear resistance.
- Sonnax sleeve manufactured of highly wear-resistant aluminum alloy.
- Dirct replacement, requires no tools and minimal bore preparation prior to assembly.