6L45, 6L50
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Part #
Reference #
Repair kits
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OH 6L50E 06-up Transtec
- Part #
- 2523
- Reference #
- 45002AW
- Extra information
OH 6L45E, 6L50E 07-up w/o pistons
- Part #
- KP33900LX
- Reference #
- 45002AW
- Extra information
OH 6L45E, 6L50E 2007-09 w/pist/ret
- Part #
- KP33900L
- Reference #
- 45002AWP
- Extra information
ZIP kit 6L45,6L80,6L90
- Part #
- 6L45-6L90-ZIP
- Reference #
- 45165
- Extra information
ZIP kit 6L45,6L80,6L90
- Pressure Regulator Valve Kit
- Boost Valve Kit
- Checkballs (8) .250" dia.
- Clutch Select Valve Spring Kit
- Compensater Feed Regulator Valve Kit
- TCC Regulator Valve, Spring, Shuttle Valve & End Plug
- O-Ringed End Plug Kit
- Actuator Feed Limit Valve, Sleeve & Spring
- Center Support Seal Kit
- Vacuum Test Nut
- No reaming required
- Installs quickly with no special tools required
- Uniquely designed parts address root causes of valve body complaints by sealing critical pressure circuits
- Detailed technical booklet included with in-depth rebuild and inspection tips for comprehensive valve body repair
In addition to general rebuilding tips and technical information, the technical booklet included in this kit contains vacuum testing and additional repair options for higher mileage units, or for repairing specific complaints which are beyond the scope of this kit.
Symptoms: - Burnt brake clutches
- Burnt clutches
- Delayed engagement
- Inadequate lubrication
- Low pressure
- Slips & flares
- Soft shifts
- TCC apply & release concerns
- TCC codes
Cause:
Loss of oil pressure due to worn components in critical oil circuits.
Correction:
Zip Kit seals critical pressure losses.
Clutch select/TCC valvekit 6L45, 6L80
- Part #
- 6L8-CS-TCC
- Reference #
- 45165A
- Extra information
Fits General Motors 6L45-6L90 series transmissions 2007-2014
Includes (2) New Steel Clutch Select Valves and new TCC Regulator valve
Corrects/Prevents/Reduces
Shift Solenoid Performance Codes or false PO751 due to sticking or dragging Clutch Select Valves.
Low Speed TCC “Chuggle” or Cycling during cylinder deactivation
Shiftkit 6L45, 6L80, 6L90 2006-2016
- Part #
- SK6L80
- Reference #
- 45165A
- Extra information
Fits General Motors 6L45-6L90 series transmissions 2007-2014
Includes High Temp HD Clutch rings; Drop in Pressure Regulator valve; EPC relief assembly with new Boost valve; Drop in Solenoid Regulator valve assembly and (5) Pressure Switch repair elements.
Fixes Extreme Pressure Damage Due to Worn Pressure Regulator Valve Bore, Restores proper Pressure Regulator and Solenoid Regulator valve function. Convenient drop in valves, No special tooling or machining necessary! Repairs included for blown pressure switches! Has EPC relief assembly to protect against excessively high pressure! Improves and restores correct drivability with added durability.
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Filters
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Filter 6L45E 18 panbolts BMW
- Part #
- 515993
- Reference #
- Extra information
- bmw 24117593565
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Reference #
Valvebody Components / Transmission Specialties
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Press.reg. valve 6L45, 6L80, 6L90 OS
- Part #
- 104520-07K
- Reference #
- Extra information
Press.reg. valve 6L45, 6L80, 6L90 OS
- Pressure Regulator Valve
- Matching Outer Spring
- Boost Valve
- Boost Sleeve
- Drill Bit
- Checkballs (2) 1 Extra
- Oversized pressure regulator valve and matched spring restore OE function
- Annular grooves help center valves in bore to reduce future side-load wear
- Hardcoat anodized aluminum valves combat premature wear.
Symptoms: - Burnt clutches
- Clutch slippage
- Converter concerns
- Harsh shifts
- High line pressure
- Low cooler flow
- Low line pressure
- Low line rise in Reverse
- No cooler flow
- Overheated transmission
Cause:
Continuous oscillation of pressure regulator valve results in excess bore wear, causing erratic line pressure and/or restricting cooler/lube flow. Wear at the boost sleeve induces Reverse issues.
Correction:
Recover hydraulic control and renew line pressure performance by reconditioning the bore and installing Sonnax oversized pressure regulator and boost valve kit.
Required tool:F-104520-TL7CNOTE: Pump must be removed to install this kit. Use of the VB-06 is required with the VB-FIX reaming fixture for this installation unless the stator support shaft is removed from the pump body.
Compens.reg.valve 6L45,6L80,6L90,6T40
- Part #
- 104740-09K
- Reference #
- Extra information
Compensator regulator valve 6L45,6L80,6L90,6T40
- Valve
- Sleeve
- Spring
- Retaining Clip
- Hardcoat anodized aluminum valve combats premature wear
- Highly wear-resistant aluminum sleeve provides additional valve support
- Includes calibrated spring for restoring OE compensator pressure
Symptoms: - Bind-up
- Bump shifts
- Burnt clutches
- CPC codes
- Downshift clunk
- Flare shifts
- Harsh shifts
- Overheated fluid
Cause:
Bore wear at compensator feed regulator valve allows critical pressure loss that prevents proper clutch timing and control.
Correction:
Recover hydraulic control and renew shift performance by installing Sonnax compensator feed regulator valve kit.
Manual valve 6L45
- Part #
- 104740-24K
- Reference #
- Extra information
- Some vehicles with GM 6L45 and 6L50 transmissions may exhibit no engagement when shifted into Forward or Reverse gears. Under these circumstances, it is common that the manual valve has broken into two pieces forcing the car into the Neutral position. Sonnax standard-sized manual valve assembly 104740-24K addresses this problem with additional improvements. •Hardcoat anodized valve and aluminum link •Increased stem diameter for added strength to prevent breakage •Increased spool lengths for increased stability and leakage prevention BMW 24337617803 OEM 24337617803 Note- The shape of the Sonnax manual valve linkage is substantially different than the OE version but functions identically.
TCC reg.spring 6L45,6L50,6L80E,6L90 (5)
- Part #
- 104740-45K
- Reference #
- Extra information
End plug kit 6L80E, 6L40E
- Part #
- 104740-23K
- Reference #
- 74741
- Extra information
End plug kit 6L80E, 6L40E
- End Plugs (6)
- O-Rings (9)
Contains 6 Plugs & 9 O-rings
- No special tools required
- Minimal end-plug-to-bore clearance with added O-ring for positive seal
Symptoms: - Burnt clutches
- Shift concerns
Cause:
These complaints can be caused by wear of the end plugs allowing valuable actuator/solenoid feed pressure to leak at the various regulator valves and Reverse and latch pressure to leak at the clutch select valves.
Correction:
This Sonnax O-ringed end plug kit restores correct circuit pressures. The O-ring provides additional sealing to reduce hydraulic losses at critical circuits.
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Bushings
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Bushing pump 6L80, 6L90, 6L45 PTFE
- Part #
- 104034A
- Reference #
- 45034B
- Extra information
Pump Bushing
Part No. 104034AThe OE pump bushing in GM 6L50, 6L80 and 6L90 units utilizes a PTFE-impregnated load bearing surface to support large forces and survive dry-start conditions. Replacement bushings are unavailable from GM, so when this bushing eventually wears out, builders have the choice of buying an entire bell housing to get the bushing or settling for aftermarket bushings that can't stand up in this environment. Unfortunately, it is also very common for these units to suffer internal torque converter failures which create debris that ruins this bushing.
Sonnax PTFE-impregnated pump bushing 104034A is a direct replacement OE-style bushing which should be used in these 6L units that contain a worn bushing, or one that has been damaged because of an internal converter failure.
- Sonnax bushing is impregnated with highly wear-resistant PTFE — not simply adhesive coated — providing unmatched durability
- Excellent fatigue and seizure resistance
- Precision fit and function assure long bushing life
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 1.994"
- Shaft Dia.: 1.834"
- Width: 0.782"
Bushingkit 6L45, 6L50
- Part #
- 104030-01K
- Reference #
- 450030A
- Extra information
- OE bushings in GM 6L45 and 6L50 transmissions have a tendency to wear out prematurely due to sub-optimal material composition. This wear can lead to bushing failure, harsh shifts, burnt clutches and gear ratio or solenoid codes. Sonnax bushing kit 104030-01K restores worry-free operation. Upgraded material composition outperforms OE bushings Superior wear characteristics eliminate premature deterioration
Bushing Stator Front & Rear 6L45, 6L50
- Part #
- 104036BK
- Reference #
- 450036,450037
- Extra information
- GM 6L45 and 6L50 transmissions have aluminum bushings installed at the front and rear of the stator shaft. While aluminum bushings generally have good wear characteristics, they are vulnerable during moments of low or no oil flow, such as during startup. The OE aluminum bushings in the stator shaft are prone to premature wear for this reason, resulting in scored bushings, bushing failure, TCC codes and TCC apply and release concerns. Installing improved Sonnax stator support bushing kit 104036BK restores normal operation and eliminates worries about bushing-related comebacks. Contents Front Stator Support Bushing Fits .904" (22.95mm) Journal Diameter Rear Stator Support Bushing Fits 1.201" (30.50mm) Journal Diameter
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Seals
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Seal selectorshaft TH180/400/350/700,6L8
- Part #
- 38511G
- Reference #
- 74072
- Extra information
- OEM 24235861 8L90
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Gaskets
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Pangasket 6L45E/6L50E
- Part #
- 33704XA
- Reference #
- 45300
- Extra information
- BMW 24117572618
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Washers & Bearings
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Bearingkit 6L45, 6L50
- Part #
- SBK-G45
- Reference #
- Extra information
- Bearing Kit Contents Sun Gear Input 4-5-6 Hub 1-2-3-4 Hub 2-6/3-5-R Hub Output (Front) Output (Rear)
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Electrical Components
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Hard Parts
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Tools
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Tool Press.reg. valve 6L45, 6L80, 6L90
- Part #
- F-104520-TL7
- Reference #
- Extra information
Tool Kit
- Reamer
- Reamer Jig
- Guide Pin
Tool AFL valve 6T70, 6F50 / 6L45,6L90
- Part #
- F-104740-TL12
- Reference #
- Extra information
Tool AFL valve 6T70, 6F50 / 6L45,6L90
- Reamer
- Reamer Jig
- Guide Pin
Tool Kit for 104740-12 and 124740-01
NOTE: Sonnax F-Tool kits designed to service a specific bore require the VB-FIX, a self-aligning valve body reaming fixture.
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Torque Converters
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Complete transmissions
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