Circle D Transmission Rebuild Kit 6L80 Level 4

$3,590.00

Product Details

Rated up to 1000 RWHP, HP ratings are contingent on numerous factors, such as tune, vehicle weight, power adder, use, etc. | Detailed Instructions Included | FREE UPS Domestic Ground Shipping

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Details

  • Transmission holding fixture
  • Calipers
  • Dial Indicator Set
  • Bushing Drivers & Arbor Press for Bushing Installation (Bushings should only be replaced as needed)
  • Sealing Ring Protector and Sizer
  • Various Clutch Spring Compressors
  • Output Carrier/Shaft Lifting Tool
  • 1-2-3-4 & 3-5-R Clutch Housing Installer
  • Large Snap-Ring Pliers
  • Pump Alignment Tool

Upgraded Parts If you have an early pump cover (stator) that does not utilize anti-rotational tabs on the sealing rings or an early 1-2-3-4/3-5-R clutch housing that does not have the matrix stamp you will need to install a factory upgraded pump cover and clutch housing.

Transmission Tuning Please understand that proper tuning of the TCM and ECM are mandatory. All 6L80/90’s are torque base shifted units. The torque signal is calculated thru the ECM. Therefore, transmission performance & longevity are directly dependent on the delivered torque signal that’s calculated in the ECM. If this is not done properly, you will experience premature transmission failure. We also do not recommend maxing out pressures or deleting torque management completely because it will cause seal failure and/or hard part breakage.

Flushing Cooler & Lines We cannot stress enough the importance of flushing the transmission cooler(s) and lines, even if they are new. We recommend using a Hot Flush Machine Flush Machine or something comparable.                                      

Auxiliary Cooler You need to install a stacked plate auxiliary transmission cooler (not a tube & fin style cooler) rated for 25,000 GVW. The ideal operating temperature for this transmission is 180°or less. These transmissions have a tendency to run very hot – the cooler will lower operating temperature and recovery time which in turn will extend the life of your transmission.

Circle D Transmission’s Rebuild Kits carry a 1 year, parts only warranty, exclusively against manufacturer’s defects. Warranty period begins at date of purchase. There is no warranty under the conditions listed below. This includes, but not limited to:

Improperly Stored
Improperly Installed
Improperly Tuned (EMC or TCM)
Misapplication
Altered, either by Owner or Their Technician
Torque Converter Failure
Inadequate Flushing of Transmission Cooler
Improper Fluid Level
Water/Engine Coolant in Transmission
Excessive Power
Accident
Neglect

Circle D Transmission will not pay for any fluids replaced in the event of a Kit failure.
Under no circumstances shall there be any labor warranty or other warranty coverage on Circle D Transmission Kits beyond the replacement of individual Kit components. We will not provide you with any cash refund except as many be required by law. Consequential and incidental damages are not recoverable under this warranty and are expressly excluded.

There is no warranty on broken parts such as, but not limited to: twisted splines, broken shafts or broken planetaries.

Warranty issues will be considered on an individual basis.

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