4L60E 4L65E 4L70E Transmission Isolator Sleeve Valve Kit Sonnax 77754-ISO
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4L60E 4L65E 4L70E Transmission Isolator Sleeve Valve Kit Sonnax 77754-ISO

$27.97
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img{max-width:100%} 4L60E 4L65E 4L70E Transmission Isolator Sleeve Valve Kit Sonnax 77754-ISO Severe wear of the TCC regulator valve bore from the OE valve allows regulated converter apply pressure to exhaust. This is a primary cause for a TCC-related 1870 slip code and overheated converters. Exhausting apply pressure also diminishes line pressure, which results in burnt clutches. Excessive wear at the isolator valve bore reduces TCC apply pressure. The Sonnax isolator sleeve kit 77754-ISO in combination with Sonnax TCC regulator valve kit 77754-03K or 77754-04K allows you to restore hydraulic integrity of the apply circuit. Sleeve is manufactured from highly wear-resistant aluminum to provide full support for the valve and prevent side loading. Contents Retaining Ring Sleeve   APPLICATIONS Hummer (H3)(H3T) 2006-2010 L5 3.7L V8 5.3L Buick Rainer 2004-2007 L6 4.2L V8 5.3L Cadillac Escalade, ESV, EXT 1999-2007 V8 5.3L 5.7L 6.0L Fleetwood, Brougham 1993-1996 V8 4.9L 5.7L Limo 1993-

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