Sonnax 124740-68K 4-5-6 Sleeved Accumulator Piston Kit, 6T70 (Gen. 2)/6T75 (Gen. 2)/6T80 (Gen. 2)
852-124740-68K
![124740-68K 4-5-6 Sleeved Accumulator Piston Kit, 6T70 (Gen. 2)/6T75 (Gen. 2)/6T80 (Gen. 2) 124740-68K 4-5-6 Sleeved Accumulator Piston Kit, 6T70 (Gen. 2)/6T75 (Gen. 2)/6T80 (Gen. 2)](http://www.jegs.com/images/photos/800/852/852-124740-68k.jpg)
Sonnax 124740-68K Features:
Excess wear at the accumulator bore or on the critical diameter of the accumulator piston is common in GM Gen. 2 6T70/75/80 transmissions. The 4-5-6 accumulator piston is utilized during apply of the 4-5-6 clutches to smooth engagement.
Wear at this bore allows 4-5-6 clutch apply oil to exhaust, resulting in ratio codes, harsh or delayed application of the clutch pack, burnt clutches and slipping/flares. Sometimes this wear can be addressed by installing Sonnax 4-5-6 accumulator piston kit 124740-57K. However, the casting is subject to severe wear at this location which can be beyond the ability of the non-sleeved 124740-57K kit to address.
Installing Sonnax 4-5-6 sleeved accumulator piston kit 124740-68K provides a positive sealing O-ringed sleeve to eliminate oil leaks and restore normal shift operation and feel, even in the most severely worn bores.
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Motor Vehicles
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Tools:
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Electrical Cords
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