Sonnax Center Support Seal Kit for 6L45, 6L50, 6L80, 6L90
In GM 6L45, 6L50, 6L80, and 6L90 transmissions, the rubber seals between the center support and the valve body can deteriorate over time, leading to line pressure loss, lube flow loss, and clutch apply leakage in Reverse, 2nd, and 6th gears. The Sonnax center support seal kit 104740-14K addresses these issues by preventing leakage caused by gaps between the OE rubber seals and the valve body or center support. The kit includes drop-in Zip Valve™ parts for quick and easy installation.
Symptoms Addressed:
- Burnt clutches
- Loss of lube oil
- Overheating and reduced lube feed
Cause:
Wear of the rubber face seals leads to leakage of critical circuit pressure and loss of lube oil flow.
Solution:
The Sonnax center support seal kit provides press-in-place steel inserts that bridge the leakage at the OE rubber face seals.
Kit Contents:
- Valve Body Seal Inserts (4) Non-Grooved & Non-Threaded
- Springs (2) Short, .250"
- Springs (2) Medium, .380"
- Springs (2) Tall, .560"
- Center Support Seal Inserts (4) Grooved & Threaded
Transmissions: 6L80 (MYC,6L80E) 2006-UP, 6L50 (6L50E,MYB) 2007-UP, 6L45 (6L45E,MYA) 2007-UP, 6L90 (MYD,LY6,6L90E) 2007-UP
Vehicle
BMW
1-SERIES 2006-2013 6 SP RWD L4 1.6L 2.0L L6 3.0L
X1, Z4, X1, Z4 2009-2016 6 SP R/4WD L4 2.0L L6 3.0L
5-SERIES 2006-2010 6 SP R/4WD L6 2.5L 3.0L
6-SERIES 2007-2013 6 SP RWD L6 3.0L
Z4 ROADSTER 2009-2011 6 SP R/4WD L6 3.0L
BUICK
PARK AVENUE 2010-2013 6 SP R/4WD L4 2.0L V6 2.8L 3.0L 3.6L
CADILLAC
CTS 2007-2016 6 SP R/4WD L4 2.0L V6 2.8L 3.6L V8 6.0L
ESCALADE 2007-2016 6 SP R/4WD V8 6.2L
ESCALADE ESV 2008-2016 6 SP R/4WD V8 6.2L
XLR/XLR-V 2005-2009 6 SP RWD V8 4.4L 4.6L
ATS 2012-2016 6 SP R/4WD L4 2.0L 2.5L V6 3.0L 3.6L
CTS COUPE 2010-2014 6 SP R/4WD V6 3.6L V8 6.2L
CTS SPORT WAGON 2009-2014 6 SP R/4WD V6 3.0L 3.6L
SRX, XLR 2006-2009 6 SP R/4WD V8 4.6L
STS 2006-2013 6 SP R/4WD L4 2.0L V6 3.0L 3.6L V8 4.4L 4.6L
CHEVROLET
AVALANCHE 2008-2013 6 SP R/4WD V8 5.3L 6.0L
C-1500 2013-2015 6 SP 4WD V8 5.3L
CAMARO 2009-2015 6 SP RWD V6 3.6L V8 6.2L
CORVETTE, SILVERADO HD 2007-2016 6 SP RWD V8 6.2L
EXPRESS 2009-2016 6 SP R/4WD V6 4.3L V8 4.8L 5.3L 6.0L 6.6L
SILVERADO, SUBURBAN, TAHOE 2008-2016 6 SP R/4WD V6 4.3L V8 5.3L 6.2L
VAN FULL SIZE 2500 2009-2011 6 SP RWD V8 4.8L 5.3L
CANYON, T-SERIES 2014-2016 6 SP R/4WD L4 2.5L 2.8L V6 3.6L
COLORADO 2011-2016 6 SP R/4WD L4 2.5L 2.8L V6 3.6L
S-10, TRAILBLAZER 2012-2016 6 SP R/4WD L4 2.8L
SUBURBAN 2500 2006-2013 6 SP R/4WD V8 6.0L
VAN FULL SIZE 3500 2010-2011 6 SP R/4WD V8 4.8L 6.0L 6.6L DIESEL
GMC
SAVANA 2009-2016 6 SP R/4WD V8 4.8L 5.3L
SIERRA DENALI 2008 6 SP R/4WD V8 6.2L
YUKON 2006-2016 6 SP R/4WD V8 5.3L 6.0L 6.2L
YUKON XL 2008-2016 6 SP R/4WD V8 5.3L 6.2L
SIERRA 2009-2016 6 SP R/4WD V8 4.8L 5.3L 6.2L
SIERRA HD 2007-2016 6 SP R/4WD V8 6.0L
HOLDEN
CAPRICE 2012-2016 6 SP RWD V6 3.6L V8 6.0L
COMMODORE 2006-2016 6 SP RWD V6 3.0L 3.6L V8 6.0L 6.2L
SS PERFORMANCE 2013-2016 6 SP RWD V6 3.6L V8 6.0L
PONTIAC
G8 2007-2010 6 SP RWD V6 3.6L V8 6.0L 6.2L
TATA
ARIA 2015-2016 6 SP R/4WD L4 2.2L
Alternate Words: Automatic Transmission, Reprogramming, Improvement , Correction, Shift , Valve Body Rebuild Kit