TCC Regulator Sleeve 4L30E
2000 & Later, PWM style
- Reinforcement ribs added for sleeve stability.
- Made of wear-resistant aluminum alloy material.
- Drop-in replacement with no machining required.
- Code 1870
- TCC slip
The OE sleeve warps due to large slots, causing the valve to bind up, or leakage occurs due to sleeve wear, resulting in loss of any pressure.
Replace the OE sleeve with the Sonnax sleeve, which provides added stability and better wear resistance.
GM General Motors