4L60 Transmission: Technical Improvements & Why They Matter

Jul 29 2025

At Go Powertrain, we don’t just remanufacture transmissions, we refine and enhance them. The 4L60E transmission has long been a staple in GM trucks and SUVs, but like any original equipment (OE) design, it comes with some built-in weaknesses. That’s why our reman process goes far beyond stock.

Here’s a breakdown of the key upgrades and enhancements we implement in every 4L60E unit, all designed to improve performance, extend life, and eliminate common failure points.

What’s New in Our 4L60 Remanufacturing Process?

System-Wide Corrections

We install a complete recalibration kit to address OE flaws across the servos, pressure regulator (PR) system, and valve body accumulators, a holistic fix for common hydraulic issues.

Oversize PR Valves

Oversize PR valves restore hydraulic integrity, helping ensure long-term shift quality and pressure consistency.

TCC & Valve Body Enhancements

We update the TCC control valve, TCC regulator valve, and Actuator Feed Valve to eliminate wear-related failures that often lead to torque converter clutch (TCC) issues.

Upgraded Accumulator Pistons

Our aluminum 1-2 accumulator pistons replace the factory plastic versions, a common source of premature clutch failure in OE designs.

Precision Machining

Every unit goes through our Tru-Flat stator machining and qualification process to ensure perfect sealing and long-term torque converter reliability.

Strength & Durability Upgrades

Stronger Sun Shells: Updated to the latest design to prevent known OE failure modes.
High-Energy 2-4 Band: Installed to increase holding power and long-term durability.
Upgraded 3-4 Clutch Pack: We boost capacity from 6 to 7 clutches for better torque handling and extended service life.
Remanufactured Pumps: Each pump includes new line bore bushings to improve fluid flow, reduce leaks, and prevent pressure loss.
Custom Bushings: Precision-fit bushings enhance fluid control and internal stability.

Ready to Shift with Confidence?

If you're looking for a remanufactured 4L60E that’s stronger, more reliable, and built with installer confidence in mind, Go Powertrain delivers.

Contact us today for availability, pricing, or to speak with our tech support team. We’ll make sure your next shift feels like factory fresh, and performs even better.

FITMENT:

1993 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

1994 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

1995 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

1996 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

1997 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

1998 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

1999 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2000 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2001 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2002 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2003 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2004 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2005 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2006 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2007 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2008 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2009 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2010 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2011 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2012 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2013 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

2014 Chevrolet / GMC Silverado / Sierra 1500 & 2500 V6 & V8

1993 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

1994 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

1995 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

1996 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

1997 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

1998 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

1999 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2000 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2001 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2002 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2003 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2004 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2005 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2006 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2007 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2008 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2009 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2010 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2011 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2012 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

2013 Chevrolet / GMC Tahoe / Yukon & Yukon XL V6 & V8

1993 Chevrolet / GMC Suburban V6 & V8

1994 Chevrolet / GMC Suburban V6 & V8

1995 Chevrolet / GMC Suburban V6 & V8

1996 Chevrolet / GMC Suburban V6 & V8

1997 Chevrolet / GMC Suburban V6 & V8

1998 Chevrolet / GMC Suburban V6 & V8

1999 Chevrolet / GMC Suburban V6 & V8

2000 Chevrolet / GMC Suburban V6 & V8

2001 Chevrolet / GMC Suburban V6 & V8

2002 Chevrolet / GMC Suburban V6 & V8

2003 Chevrolet / GMC Suburban V6 & V8

2004 Chevrolet / GMC Suburban V6 & V8

2005 Chevrolet / GMC Suburban V6 & V8

2006 Chevrolet / GMC Suburban V6 & V8

2007 Chevrolet / GMC Suburban V6 & V8

2008 Chevrolet / GMC Suburban V6 & V8

2009 Chevrolet / GMC Suburban V6 & V8

1993 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

1994 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

1995 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

1996 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

1997 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

1998 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

1999 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2000 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2001 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2002 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2003 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2004 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2005 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2006 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2007 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2008 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

2009 Chevrolet / GMC Blazer / Jimmy / Bravada 4.3L V6

1995 Chevrolet / GMC S-10 / Sonoma 4.3L V6

1996 Chevrolet / GMC S-10 / Sonoma 4.3L V6

1997 Chevrolet / GMC S-10 / Sonoma 4.3L V6

1998 Chevrolet / GMC S-10 / Sonoma 4.3L V6

1999 Chevrolet / GMC S-10 / Sonoma 4.3L V6

2000 Chevrolet / GMC S-10 / Sonoma 4.3L V6

2001 Chevrolet / GMC S-10 / Sonoma 4.3L V6

2002 Chevrolet / GMC S-10 / Sonoma 4.3L V6

2003 Chevrolet / GMC S-10 / Sonoma 4.3L V6

2004 Chevrolet / GMC S-10 / Sonoma 4.3L V6

2005 Chevrolet / GMC S-10 / Sonoma 4.3L V6

2006 Chevrolet / GMC S-10 / Sonoma 4.3L V6

1996 Chevrolet / GMC Express / Savana Vans V6 & V8

1997 Chevrolet / GMC Express / Savana Vans V6 & V8

1998 Chevrolet / GMC Express / Savana Vans V6 & V8

1999 Chevrolet / GMC Express / Savana Vans V6 & V8

2000 Chevrolet / GMC Express / Savana Vans V6 & V8

2001 Chevrolet / GMC Express / Savana Vans V6 & V8

2002 Chevrolet / GMC Express / Savana Vans V6 & V8

2003 Chevrolet / GMC Express / Savana Vans V6 & V8

2004 Chevrolet / GMC Express / Savana Vans V6 & V8

2005 Chevrolet / GMC Express / Savana Vans V6 & V8

2006 Chevrolet / GMC Express / Savana Vans V6 & V8

2007 Chevrolet / GMC Express / Savana Vans V6 & V8

2008 Chevrolet / GMC Express / Savana Vans V6 & V8

2009 Chevrolet / GMC Express / Savana Vans V6 & V8

2010 Chevrolet / GMC Express / Savana Vans V6 & V8

2011 Chevrolet / GMC Express / Savana Vans V6 & V8

2012 Chevrolet / GMC Express / Savana Vans V6 & V8

2013 Chevrolet / GMC Express / Savana Vans V6 & V8

2014 Chevrolet / GMC Express / Savana Vans V6 & V8

2002 Chevrolet / GMC TrailBlazer / Envoy 4.2L I6 & V8

2003 Chevrolet / GMC TrailBlazer / Envoy 4.2L I6 & V8

2004 Chevrolet / GMC TrailBlazer / Envoy 4.2L I6 & V8

2005 Chevrolet / GMC TrailBlazer / Envoy 4.2L I6 & V8

2006 Chevrolet / GMC TrailBlazer / Envoy 4.2L I6 & V8

2007 Chevrolet / GMC TrailBlazer / Envoy 4.2L I6 & V8

2008 Chevrolet / GMC TrailBlazer / Envoy 4.2L I6 & V8

2009 Chevrolet / GMC TrailBlazer / Envoy 4.2L I6 & V8

2002 Chevrolet / Cadillac Avalanche / Escalade EXT V8

2003 Chevrolet / Cadillac Avalanche / Escalade EXT V8

2004 Chevrolet / Cadillac Avalanche / Escalade EXT V8

2005 Chevrolet / Cadillac Avalanche / Escalade EXT V8

2006 Chevrolet / Cadillac Avalanche / Escalade EXT V8

2007 Chevrolet / Cadillac Avalanche / Escalade EXT V8

2008 Chevrolet / Cadillac Avalanche / Escalade EXT V8

1994 Chevrolet / Pontiac Camaro / Firebird V6 & V8

1995 Chevrolet / Pontiac Camaro / Firebird V6 & V8

1996 Chevrolet / Pontiac Camaro / Firebird V6 & V8

1997 Chevrolet / Pontiac Camaro / Firebird V6 & V8

1998 Chevrolet / Pontiac Camaro / Firebird V6 & V8

1999 Chevrolet / Pontiac Camaro / Firebird V6 & V8

2000 Chevrolet / Pontiac Camaro / Firebird V6 & V8

2001 Chevrolet / Pontiac Camaro / Firebird V6 & V8

2002 Chevrolet / Pontiac Camaro / Firebird V6 & V8

1994 Chevrolet Corvette (C5/C6) V8

1995 Chevrolet Corvette (C5/C6) V8

1996 Chevrolet Corvette (C5/C6) V8

1997 Chevrolet Corvette (C5/C6) V8

1998 Chevrolet Corvette (C5/C6) V8

1999 Chevrolet Corvette (C5/C6) V8

2000 Chevrolet Corvette (C5/C6) V8

2001 Chevrolet Corvette (C5/C6) V8

2002 Chevrolet Corvette (C5/C6) V8

2003 Chevrolet Corvette (C5/C6) V8

2004 Chevrolet Corvette (C5/C6) V8

1994 Chevrolet / Buick / Cadillac Impala SS / Caprice / Roadmaster V8

1995 Chevrolet / Buick / Cadillac Impala SS / Caprice / Roadmaster V8

1996 Chevrolet / Buick / Cadillac Impala SS / Caprice / Roadmaster V8

2001 GMC / Cadillac Denali / Escalade / Silverado SS High-output V8 (LQ9)

2002 GMC / Cadillac Denali / Escalade / Silverado SS High-output V8 (LQ9)

2003 GMC / Cadillac Denali / Escalade / Silverado SS High-output V8 (LQ9)

2004 GMC / Cadillac Denali / Escalade / Silverado SS High-output V8 (LQ9)

2005 GMC / Cadillac Denali / Escalade / Silverado SS High-output V8 (LQ9)

2006 GMC / Cadillac Denali / Escalade / Silverado SS High-output V8 (LQ9)

2007 GMC / Cadillac Denali / Escalade / Silverado SS High-output V8 (LQ9)

2008 GMC / Cadillac Denali / Escalade / Silverado SS High-output V8 (LQ9)

2004 Pontiac GTO V8

2005 Pontiac GTO V8

2006 Pontiac GTO V8

2003 Hummer H2 / H3 V8

2004 Hummer H2 / H3 V8

2005 Hummer H2 / H3 V8

2006 Hummer H2 / H3 V8

2007 Hummer H2 / H3 V8

2008 Hummer H2 / H3 V8

2005 Saab 9-7X V8

2006 Saab 9-7X V8

2007 Saab 9-7X V8

2008 Saab 9-7X V8

2009 Saab 9-7X V8

1993 Holden (AU) Commodore / Caprice V6 & V8

1994 Holden (AU) Commodore / Caprice V6 & V8

1995 Holden (AU) Commodore / Caprice V6 & V8

1996 Holden (AU) Commodore / Caprice V6 & V8

1997 Holden (AU) Commodore / Caprice V6 & V8

1998 Holden (AU) Commodore / Caprice V6 & V8

1999 Holden (AU) Commodore / Caprice V6 & V8

2000 Holden (AU) Commodore / Caprice V6 & V8

2001 Holden (AU) Commodore / Caprice V6 & V8

2002 Holden (AU) Commodore / Caprice V6 & V8

2003 Holden (AU) Commodore / Caprice V6 & V8

2004 Holden (AU) Commodore / Caprice V6 & V8

2005 Holden (AU) Commodore / Caprice V6 & V8

2006 Holden (AU) Commodore / Caprice V6 & V8

2004 Holden (AU) One Tonner / Crewman V8