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Tool Kit for 56947J-15K
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The Ford A4LD, 4R44E/55E and 5R44E/55E bell housing bushing is not separately serviced because the assembly requires the bushing to be finished in place to achieve...Read More
Sonnax offers replacement pinion washer 46580A-W for OD planetaries with 38-tooth sun gear in Ford 5R55W/S/N transmissions.
Tool Kit for 56947J-09K
Restores or increases line pressure up to 10 psi. Replaces lost original springs. No harsh shift effects of high line pressure. Drop-in installation requires no modifications.
The OE valve springs are subject to breakage, bending or fatigue failure. Broken portions of the spring can cause the associated valve to stick in either the fully...Read More
Sonnax vacuum test plate kit seal 56947J-VTP-S is a replacement silicone seal for a worn or damaged original seal in vacuum test plate kit 56947J-VTP.
Tool kit for 56947J-19K
Tool Kit for 27741-13K, 56947J-23K, 56947J-29K, 56947J-56K & 56947J-59K
Sonnax offers replacement pinion washer 46580-W for OD planetaries with 24-tooth sun gear in Ford 5R55N/W/S transmissions.
Tool Kit for 56361J-01K
Reverse pressure from the manual valve in Ford 5R55N transmissions is routed through the reverse engagement valve prior to applying the direct clutch. Excessive we...Read More
Sonnax plastic stator cap FD-WP18-OE replaces worn or damaged stator caps in Ford 5R55N, 5R55W and 5R55S converters.
Sonnax offers torque converter rebuilders direct OE replacement solid piston seal FD-O-21 for the late Ford 5R55N, 5R55W and 5R55S torque converters. An expansion ...Read More
Complaints of no 4th or 5th Gear, codes 734 and/or 735 and solenoid C codes can occur on the Ford 5R55N due to a broken 4-3 pre-stroke valve spring. The 4-3 pre-st...Read More
Rebuilders now have a no-hassle option of replacing worn or contaminated 5R55N, 5R55W and 5R55S solenoid blocks with Sonnax 56954L-RRP, 56954K-RRP and 56954N-RRP r...Read More
In Ford 4R44E, 4R55E, 5R44E and 5R55E transmissions, both the early- and late- style EPC limit valves allow excessive high pressures which can result in harsh shif...Read More
The Ford 5R55N, 5R55W and 5R55S converter is prone to weak and/or broken spring clips, and a worn mating piston causes noise in this unit. Bending or replacing the...Read More
Debris and constant oscillation of the pressure regulator valve in listed Ford units can create casting bore wear and scratches on the critical valve spools. This ...Read More
Debris and constant oscillation of the inner reverse modulator valve in listed Ford units can create casting bore wear and scratches on the critical valve spools. ...Read More
Debris and constant oscillation of the outer reverse modulator valve in listed Ford units can create casting bore wear and scratches on the critical valve spools. ...Read More
’97-Later with 4.0L
Chances are, you have experienced the frustration of TCC application codes and/or the check engine light that never seems to go out. Eliminate your frustration wit...Read More
Ford 4R44E, 4R55E, 5R44E and 5R55E units often suffer shift abnormalities caused by excess wear in the solenoid regulator valve bore. This wear allows fluid loss w...Read More