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SKU:77754-03K
Suncoast TCC Regulator & Isolator Valve Kit
Suncoast TCC Regulator & Isolator Valve Kit
Description
4L60-E '97-earlier only, non-EC3 units
In GM 4L60-E, 4L65-E and 4L70-E units, severe wear of the TCC regulator valve bore is caused by oscillation of the OE valve allows regulated converter apply pressure to exhaust. This is a primary cause for TCC-related slip code P1870 and overheated converters. Exhausting apply pressure also diminishes line pressure, which can result in burnt clutches. Excess wear at the isolator valve bore reduces TCC apply pressure.
Reconditioning the bore and installing Sonnax TCC regulator and isolator valve kit 77754-03K restores normal TCC operation by shoring up the hydraulic integrity of this circuit.
- 10% Higher apply pressure
- Isolator valve lengthened to operate in unworn portions of the bore
- Sleeve manufactured from highly wear-resistant aluminum
- Hardcoat anodized aluminum valves combat premature wear
- Annular grooves help center valves in bore to reduce future side-load wear
Fitments
2014 Chevrolet Express 1500
2014 Chevrolet Express 2500
2014 GMC Savana 1500
2014 GMC Savana 2500
2013 Chevrolet Express 1500
2013 Chevrolet Express 2500
2013 GMC Savana 1500
2013 GMC Savana 2500
2012 Chevrolet Express 1500
2012 Chevrolet Express 2500
2012 GMC Savana 1500
2012 GMC Savana 2500
2011 Chevrolet Express 1500
2011 Chevrolet Express 2500
2011 GMC Savana 1500
2011 GMC Savana 2500
2010 Chevrolet Express 1500
2010 Chevrolet Express 2500
2010 GMC Savana 1500
2010 GMC Savana 2500
2009 Chevrolet Express 1500
2009 Chevrolet Express 2500
2009 Chevrolet Trailblazer
2009 GMC Envoy
2009 GMC Savana 1500
2009 GMC Savana 2500
2009 Hummer H2
2008 Chevrolet Express 1500
2008 Chevrolet Express 2500
2008 Chevrolet Trailblazer
2008 GMC Envoy
2008 GMC Savana 1500
2008 GMC Savana 2500
2008 Hummer H2
2007 Chevrolet Express 1500
2007 Chevrolet Express 2500
2007 Chevrolet Trailblazer
2007 GMC Envoy
2007 GMC Savana 1500
2007 GMC Savana 2500
2007 Hummer H2
2006 Cadillac Escalade
2006 Cadillac Escalade ESV
2006 Cadillac Escalade EXT
2006 Chevrolet Express 1500
2006 Chevrolet Express 2500
2006 Chevrolet Silverado 1500
2006 Chevrolet Silverado 1500 HD
2006 Chevrolet Suburban 1500
2006 Chevrolet Suburban 2500
2006 Chevrolet Tahoe
2006 Chevrolet Trailblazer
2006 GMC Envoy
2006 GMC Envoy XL
2006 GMC Savana 1500
2006 GMC Savana 2500
2006 GMC Sierra 1500
2006 GMC Sierra 1500 HD
2006 GMC Yukon
2006 GMC Yukon XL 1500
2006 Hummer H2
2005 Cadillac Escalade
2005 Cadillac Escalade ESV
2005 Cadillac Escalade EXT
2005 Chevrolet Silverado 1500
2005 Chevrolet Silverado 1500 HD
2005 Chevrolet Suburban 1500
2005 Chevrolet Suburban 2500
2005 Chevrolet Tahoe
2005 Chevrolet Trailblazer
2005 GMC Envoy
2005 GMC Envoy XL
2005 GMC Envoy XUV
2005 GMC Sierra 1500
2005 GMC Sierra 1500 HD
2005 GMC Yukon
2005 GMC Yukon XL 1500
2005 Hummer H2
2004 Cadillac Escalade
2004 Cadillac Escalade ESV
2004 Cadillac Escalade EXT
2004 Chevrolet Silverado 1500
2004 Chevrolet Silverado 1500 HD
2004 Chevrolet Suburban 1500
2004 Chevrolet Suburban 2500
2004 Chevrolet Tahoe
2004 Chevrolet Trailblazer
2004 GMC Envoy
2004 GMC Envoy XL
2004 GMC Envoy XUV
2004 GMC Sierra 1500
2004 GMC Sierra 1500 HD
2004 GMC Yukon
2004 GMC Yukon XL 1500
2004 Hummer H2
2003 Cadillac Escalade
2003 Cadillac Escalade ESV
2003 Cadillac Escalade EXT
2003 Chevrolet Silverado 1500
2003 Chevrolet Silverado 1500 HD
2003 Chevrolet Suburban 1500
2003 Chevrolet Suburban 2500
2003 Chevrolet Tahoe
2003 Chevrolet Trailblazer
2003 GMC Envoy
2003 GMC Envoy XL
2003 GMC Sierra 1500
2003 GMC Sierra 1500 HD
2003 GMC Yukon
2003 GMC Yukon XL 1500
2003 Hummer H2
2002 Cadillac Escalade
2002 Cadillac Escalade EXT
2002 Chevrolet Silverado 1500
2002 Chevrolet Silverado 1500 HD
2002 Chevrolet Suburban 1500
2002 Chevrolet Suburban 2500
2002 Chevrolet Tahoe
2002 Chevrolet Trailblazer
2002 GMC Envoy
2002 GMC Envoy XL
2002 GMC Sierra 1500
2002 GMC Sierra 1500 HD
2002 GMC Yukon
2002 GMC Yukon XL 1500
2001 Cadillac Escalade
2001 Chevrolet Silverado 1500
2001 Chevrolet Silverado 1500 HD
2001 Chevrolet Suburban 1500
2001 Chevrolet Suburban 2500
2001 Chevrolet Tahoe
2001 GMC Sierra 1500
2001 GMC Sierra 1500 HD
2001 GMC Yukon
2001 GMC Yukon XL 1500
2000 Cadillac Escalade
2000 Chevrolet Silverado 1500
2000 Chevrolet Suburban 1500
2000 Chevrolet Suburban 2500
2000 Chevrolet Tahoe
2000 GMC Sierra 1500
2000 GMC Yukon
2000 GMC Yukon XL 1500
1999 Cadillac Escalade
1999 Chevrolet Silverado 1500
1999 Chevrolet Suburban 1500
1999 Chevrolet Suburban 2500
1999 Chevrolet Tahoe
1999 GMC Sierra 1500
1999 GMC Suburban
1999 GMC Yukon
1998 Chevrolet Suburban 1500
1998 Chevrolet Suburban 2500
1998 Chevrolet Tahoe
1998 GMC Suburban
1998 GMC Yukon
1997 Chevrolet Astro
1997 Chevrolet Camaro
1997 Chevrolet Corvette
1997 Chevrolet Express 1500
1997 Chevrolet Express 2500
1997 Chevrolet S10
1997 Chevrolet S10 Blazer
1997 Chevrolet Suburban 1500
1997 Chevrolet Suburban 2500
1997 Chevrolet Tahoe
1997 GMC S15 Jimmy
1997 GMC Safari
1997 GMC Savana 1500
1997 GMC Savana 2500
1997 GMC Sonoma
1997 GMC Suburban
1997 GMC Yukon
1996 Chevrolet Astro
1996 Chevrolet Camaro
1996 Chevrolet Caprice
1996 Chevrolet Corvette
1996 Chevrolet Express 1500
1996 Chevrolet Express 2500
1996 Chevrolet Impala
1996 Chevrolet S10
1996 Chevrolet S10 Blazer
1996 Chevrolet Suburban 1500
1996 Chevrolet Suburban 2500
1996 Chevrolet Tahoe
1996 GMC S15 Jimmy
1996 GMC Safari
1996 GMC Savana 1500
1996 GMC Savana 2500
1996 GMC Sonoma
1996 GMC Suburban
1996 GMC Yukon
1995 Chevrolet Astro
1995 Chevrolet Camaro
1995 Chevrolet Caprice
1995 Chevrolet Corvette
1995 Chevrolet Impala
1995 Chevrolet S10
1995 Chevrolet S10 Blazer
1995 Chevrolet Tahoe
1995 GMC S15 Jimmy
1995 GMC Safari
1995 GMC Sonoma
1995 GMC Yukon
1994 Chevrolet Astro
1994 Chevrolet Camaro
1994 Chevrolet Caprice
1994 Chevrolet Corvette
1994 Chevrolet Impala
1994 Chevrolet S10
1994 GMC S15 Jimmy
1994 GMC Safari
1994 GMC Sonoma
1993 Chevrolet Astro
1993 Chevrolet Camaro
1993 Chevrolet S10
1993 GMC S15 Jimmy
1993 GMC Safari
1993 GMC Sonoma
Instructions
Specifications
SKU: 77754-03K
GTIN: 840385622585
Manufacture Name: Suncoast Performance
Shipping Weight: 2 lb
Shipping Length: 4 in
Shipping Width: 4 in
Shipping Height: 4 in
EO Number:
Cross Reference #
Warranty
California Proposition 65 Warning
California Proposition 65 Warning - P65warnings.ca.gov
77754-03K
Suncoast TCC Regulator & Isolator Valve Kit
4L60-E '97-earlier only, non-EC3 units
In GM 4L60-E, 4L65-E and 4L70-E units, severe wear of the TCC regulator valve bore is caused by oscillation of the OE valve allows regulated converter apply pressure to exhaust. This is a primary cause for TCC-related slip code P1870 and overheated converters. Exhausting apply pressure also diminishes line pressure, which can result in burnt clutches. Excess wear at the isolator valve bore reduces TCC apply pressure.
Reconditioning the bore and installing Sonnax TCC regulator and isolator valve kit 77754-03K restores normal TCC operation by shoring up the hydraulic integrity of this circuit.
- 10% Higher apply pressure
- Isolator valve lengthened to operate in unworn portions of the bore
- Sleeve manufactured from highly wear-resistant aluminum
- Hardcoat anodized aluminum valves combat premature wear
- Annular grooves help center valves in bore to reduce future side-load wear
Suncoast TCC Regulator & Isolator Valve Kit