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4L60E / 4L65E Isolator Sleeve Kit


Mfg Retail: $21.52
Cost From Us: $18.88
You Save: $2.64
In Stock
Our Part #: S-77754-ISO
Manufacturer: Sonnax
Mfg Part # : 77754-ISO
free shipping
4L60E / 4L65E Isolator Sleeve Kit
Restores Hydralic Integrity of the Valve Circuit


Symptoms this May Address:
Clutch failure
Code 1870
TCC cycling

TCC Slip Wear in the TCC Regulator Valve bore causes loss of converter release oil pressure.
This is a primary cause for a TCC related P1870 slip code and overheated converters.
Additionally pressure loss can result in burnt bands and clutches.


The Reduced Pressure contributes to the converter drainback problem.

The Sonnax Sleeve and Valve Kit Restores normal converter charge and cooler flow, addressing all the above issues.

Technical Notes:
Requires Special Sonnax Valve Reamer Kit
Part # F-77754-TL4

Photos show the actual part that is shipped



Our Part #      S-77754-ISO
Sonnax Part # 77754-ISO


We would appreciate the opportunity to serve your transmission parts needs ! ! !


Cascade Transmission Parts , Inc.
All Rights Reserved ®




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