PIT Câmbio Automático

(48) 99120-6555

contato@pitcambioautomatico.com.br

R. do Sindicato, 98 - Vila Nova, Imbituba - SC

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Item Tag: 77998-03K

. 4L60E Pinless Forward Accumulator Piston FWD,1-2 and 3-4 REAL by SONNAX!

This listing is for total of three (3) pistons, TWO (2) for the 1-2 accum/3-4 accum and the other for the Forward Accumulator 2 x Pinless Accumulator Piston Kit 4L60E 4L65E 4L70E Transmission Sonnax Pinless Forward, 1-2, and 3-4 Accumulator Piston Kit Material: AluminumIn GM 4L60-E, 4L65-E and 4L70-E units it is common for the plastic forward accumulator piston to wear or crack. This causes a loss of fluid, resulting in delayed engagement, slips, burnt clutches and/or bands. Repeated reciprocation of the accumulator piston causes the piston pin bore to wear, while fluid loss through the piston pin bore or cracks causes forward clutch to slip. Sonnax pinless forward accumulator piston kit 77987-01K eliminates these problems.Dual seals stabilize and completely seal the bore, providing a tight seal even after thousands of cyclesPinless design eliminates the possibility of pin leakage, and the additional length stabilizes the piston to prevent piston cockingIncludes steel balls for plugging existing pin bore in valve bodyIn GM 200-4R, 4L60 and 4L60-series units it is common to have poor shift quality, burnt bands or clutches due to accumulator piston wear. Repeated reciprocation of the accumulator piston causes wear at the piston pin bore interface. After this wear reaches a critical point, fluid loss through the piston pin bore cannot be compensated due to lack of pump volume. In addition, the piston can get cocked and gall the accumulator bore due to the pin bore wear or the spring bottoming out. To prevent these conditions in the 1-2 or 3-4 accumulator bores, Sonnax offers pinless accumulator piston kit 77998-03K.Pinless design eliminates the possibility of pin bore leakage and the additional length stabilizes the piston to prevent piston cockingDual seals stabilize and completely seal the bore and provide a tight seal even after thousands of cyclesSteel balls plug existing pin bore in case or cover Part No. 77998-03KPinless Accumulator Piston AluminumD-Ring Viton®Seal PTFEBalls (2) Steel 1 x Pinless Forward Accumulator Piston KitPart No. 77987-01KDual seals stabilize and completely seal the bore, providing a tight seal even after thousands of cyclesPinless design eliminates the possibility of pin leakage, and the additional length stabilizes the piston to prevent piston cockingIncludes steel balls for plugging existing pin bore in valve bodyContentsPistonD-RingPTFE SealSteel balls (2)

Sonnax 4L60E 77998-03K Pinless 1-2 Accumulator Piston 4L65E 4L70E Transmission

Sonnax Billet Accumulator Piston Part Number: 77998-03K New billet aluminum pinless 1-2 & 3-4 accumulator piston 4L60E, 4L65E, 4L70E, 4L75E transmission GM, Chevrolet, Cadillac, Pontiac, Buick, Oldsmobile, Hummer Package includes one piston. Two can be purchased to replace both the 1-2 and 3-4 piston locations. Stock, these transmissions had plastic pistons that break, burning up your transmission. This piston is very easy to install and is recommended when doing any shift kit. The 1-2 can even be done if you just have the pan off for a fluid change. The valve body doesn’t have to come out for this to be installed. The 3-4 piston does require the valve body to be down. Check out our eBay store for great deals on shift kits and other transmission parts.

Sonnax 77998-03K Transmission Kit, 1-2 or 3-4 Accumulator Piston (.310″ Pin

200-4R, 4L60, 4L60-E, 4L65-E, 4L70-E Pinless Accumulator Piston Kit Part No. 77998-03KThis listing is for (1) Pinless Accumulator Piston In 200-4R applications, this kit can only be used in the 3-4 accumulator location. In listed GM units it is common to have poor shift quality, burnt bands or clutches due to accumulator piston wear. Repeated reciprocation of the accumulator piston causes wear at the piston pin bore interface. After this wear reaches a critical point, fluid loss through the piston pin bore cannot be compensated due to lack of pump volume. In addition, the piston can get cocked and gall the accumulator bore due to the pin bore wear or the spring bottoming out. To prevent these conditions in the 1-2 or 3-4 accumulator bores, Sonnax offers pinless accumulator piston kit 77998-03K. Pinless design eliminates the possibility of pin bore leakage and the additional length stabilizes the piston to prevent piston cocking Dual seals stabilize and completely seal the bore and provide a tight seal even after thousands of cycles Steel balls plug existing pin bore in case or cover Contents D-Ring Viton® Pinless Accumulator Piston Aluminum Seal PTFE Steel Ball .312″ dia. Steel Ball .236″ dia.