Use to repair a ring grooved center support. MACHINING REQUIRED. More Information
The reverse servo sleeve kit restores the function of the reverse piston and salvages the case. (Replacement seals # 56532-SK). MACHINING REQUIRED. More Information
SONNAX 56532-SK Replacement seals # 56532-01K.
Quantity 10 / Bag. More Information
Reduces delayed reverse engagement and improves line pressure rise. Boost valve and sleeve are made of highly wear resistant materials for longer life. No machining required. OEM ratio. More Information
More Information This oversize coast clutch valve kit allows the valve body bore to be refurbished to proper clearance and eliminate leakage. Reamer and jig 37947-TL33 is required.
This reamer and jig is required to use oversize coast clutch valve 37947-33K
Tool 37947-TL5 is required. This sleeve refurbishes the bore with a wear resistant sleeve which provides more support, reducing cross leaks. More Information
Corrects delayed egagement due to poor torque converter charge, low cooler flow & overheating. Replacement sleeve that mates with OEM valve. Wear in this sleeve affects converter feed and engagement. Sleeves are made of highly wear resistant materials for longer life.More Information
Reduces delayed reverse engagement and improves line pressure rise. Boost valve and sleeve are made of highly wear resistant materials for longer life. No machining required. Increased ratio kit.More Information
Prevents erratic shifting, shift timing with temperature change, gear ratio and solenoid codes.This kit contains o-ringed end plug to seal the valve bore, check balls & L-shaped valve retainers.More Information
Tool 37947-TL9 is required. This repair eliminates the inner plug by incorporating it into the sleeve, which then repairs the TCC regulator bore. High TCC slip, TCC surge, high converter temperature, code 1741, code 628.More Information
This reamer and jig is required to use 37947-05K & 37947-07K.More Information
This reamer and jig kit is required to use 37947-11KMore Information
This kit contains: EPC boost valve sleeve, forward modulation valve with Teflon seal, forward modulation valve sleeve, forward modulation o-ringed end plug, forward modulation spring, 2 reverse modulation sleeves, reverse modulation o-ringed end plug, o-ringed 2-3 shift valve end plug, o-ringed 1-2 shift valve end plug, solenoid regulator valve spring, rear lube orifice, 4 Torlon check balls, 4 L shaped retainer pins, 2 coiled spring pins and 3 extra o-rings. Tool kit 37947-TL11 is required.More Information
The Sonnax main pressure regulator springs are designed to provide an effective baseline pressure. The slight increase in spring pressure compensates for wear elsewhere in the transmission. More Information
56947J-BST 5R55N 4-3 Prestroke valve bore size tool maybe required.More Information
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This reamer and jig is required to use oversize coast clutch valve 37947-40K.More Information
Corrects poor line rise, low intermediate clutch pressure, poor 2-3 shift.More Information
Corrects poor TCC cycling, no TCC release, burned converter, engine stall.More Information
Corrects harsh TCC apply, TCC slips on apply.More Information
Corrects harsh TCC apply, low line pressure,excess TCC slip. More Information
Corrects delayed forward engagement, burned forward clutches.More Information
Prior to installing this kit, it is highly recommended to inspect the valve body for wear beyond the scope of this kit. In the event of excessive wear in critical locations, this kit should be used in conjunction with the appropriate Sonnax valve kit. Not recomended for High Mileage Transmissions. More Information
Does not include sleeves # 56361J-01KRequires Tool SERVO-FIX holding fixture More Information
Increased RatioMore Information
Tool kit # 34947-TL40 is required.More Information
More InformationInstructions
F-27741-TL13 is required.More Information
F-56947J-TL53 is required. More Information
VB-FIX is required.More Information
Requires Tool Kit F-27741-TL13 and VB-FIX Reaming FixtureMore Information
Corrects delayed forward engagement, high line pressure, low base line pressure.More Information
Corrects delayed engagement, high line pressure, low base line pressure and soft shifts. More Information
