4L60E 4L65E 4L70E PINLESS FORWARD ACCUMULATOR PISTON KIT SONNAX 77987-01K
4L60E 4L65E 4L70E PINLESS FORWARD ACCUMULATOR PISTON KIT SONNAX 77987-01K
4L60E 4L65E 4L70E PINLESS FORWARD ACCUMULATOR PISTON KIT SONNAX 77987-01K
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4L60E 4L65E 4L70E PINLESS FORWARD ACCUMULATOR PISTON KIT SONNAX 77987-01K

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This is a Pinless Forward Accumulator PISTON KIT for 4L60E 4L65E 4L70E GM

Kit Includes:
  • Pinless Accumulator Piston
  • D Ring
  • PTFE Seal
  • 2 Steel Balls
  • Technical Instructions

Description:

In GM 4L60E, 4L65E and 4L70E 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 bore to wear, while fluid loss through the piston pin bore or cracks causes forward clutch to slip. This kit eliminates these problems.

  • 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 valve body.

 

Applications

4L60E

Hummer (H3) (H3T) 2006-2010 V8 5.3L

Buick Rainer 2004-2007 L6 4.2L V8 5.3L

Roadmaster, Wagon 1994-1996 V8 5.7L

Cadillac Escalade, ESV, EXT 1999-2007 V8 5.3L 5.7L 6.0L

Fleetwood, Brougham 1993-1-996 V8 4.9L 5.7L

Limo 1993-1996 V8 4.9L 5.7L

Chevrolet Astro Van, GMC Safari 1995-2007 V6 4.3L

Avalanche 2001-2009 V8 5.3L

Blazer, Jimmy 1993-2007 V6 4.3L V8 5.3L

Envoy, Trailblazer 1993-2009 L4 2.2L L6 4.2L V6 4.3L V8 5.3L

Camaro 1994-2002 V8 5.7L

Caprice, Wagon 1993-1996 V6 4.3L V8 5.0L 5.7L

Colorado, Canyon 2004-2011 L4 2.8L L5 3.5L L4 2.9L L5 3.7L V8 5.3L

Express, Savana 1996-2011 V6 4.3L V8 4.8L 5.3L 5.7L

Impala 1994-1999 V8 5.7L

S10, S15, Jimmy, Sonoma 1993-2004 L4 2.2L 2.5L V6 4.3L

Silverado, Sierra 1500-3500 1995-2010 V6 4.2L V6 4.3L V8 4.8L 5.0L 5.3L V6 5.4L 5.7L 6.0L

Suburban 1500-2500 1993-2008 V8 4.8L 5.L 5.3L 5.7L

Tahoe, Yukon 1993-2009 V8 4.8L 5.0L 5.3L 5.7L

Isuzu Ascender 2003-2009 L6 4.2L V8 5.3L 5.4L

Hombre 1997-2000 L4 2.2L V6 4.3L

i280 2006 L4 2.8L

i290 2007 L4 2.9L

i350 2006 L5 3.5L

i370 2007-2009 L5 3.5L

Oldsmobile Bravada 1993-2004 L6 4.2L V6 4.3L

Pontiac Firebird 1994-2002 V6 3.4L 3.8L V8 5.7L

GTO 2004 V8 5.7L

SAAB 9-7, 9-7X 2005-2009 L6 4.2L V8 5.3L

 

4L65E

Hummer (H2)(H2 SUT) 2004-2007 V8 6.0L 4SPD RWD 4X4

Buick Rainer 2004-2007 L6 4.2L V8 5.3L 4SPD RWD AWD

Chevrolet Express, GMC Savana 1996-2011 V8 4.8L 5.3L 5.7L 4SPD RWD 4X4

Blazer, Jimmy 1992-2007 V6 4.3L V8 5.3L 4SPD RWD 4X4

Envoy, Trailblazer 1992-2009 V6 4.3L V8 5.3L 4SPD RWD 4X4

SSR 2003-2007 L6 4.2L V8 5.3L 6.0L 4SPD RWD

 

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