Product Details

Sonnax Part Number: AODE-4R75E-ZIP

Replaces the discontinued SC-AODE-1

Transmission Model: AODE, 4R70W, 4R70E, 4R75W, 4R75E

Year Range 1996-up

The Sonnax Zip Kit transmission shift correction helps cure the following complaints:

• 4-3 Neutral
• Trouble Code 628
• Delayed converter lockup
• Forward clutch failure
• Intermediate roller clutch failure
• Low line rise
• Low Reverse boost
• Mechanical diode failure
• No 4th gear
• Overdrive band failure
• Poor shift quality
• Soft shifts
• TCC lockup apply & release concerns

The Sonnax AODE-4R75E-ZIP kit targets the root cause of multiple concerns by sealing critical circuit pressure losses in the valve body. The kit contains uniquely-designed parts to prevent the loss of pressures within the main line, solenoid regulator, converter clutch and overdrive servo circuits. The kit also contains components to address forward and intermediate clutch failure, overdrive servo failure, soft shifts, intermediate roller clutch/mechanical diode failure, and low clutch apply pressure. No separate special tools are required for installing these parts.

The Zip Kit instructions provides clear and easy instructions on one sheet to get the unit sealed up and back on the road quickly. In addition to general rebuilding tips and technical information, the technical booklet included in this kit contains vacuum testing information and locations at other key areas of the valve body.

• No reaming required
• Installs quickly with no separate special tools required
• Uniquely designed parts address root causes of valve body concerns by sealing critical pressure circuits
• Detailed technical booklet included with in-depth rebuild and inspection tips for comprehensive valve body repair

The kit contains the following valve body, front pump and re-assembly parts:

• Input Shaft Seals (2)
• Main Pressure Regulator Valve
• Boost Valve Kit
• Bypass Clutch Control Plunger Valve Kit
• 2-3 Shift Valve O-Ringed End Plug
• Solenoid Regulator Valve Retainer
• Overdrive Servo Regulator Valve Kit
• Checkballs (8)
• Valve Body Retainer Plate Kit
• Overdrive Servo Pin Kit
• Pump Cover Seals (2) Early
• Output Shaft Seals (2)
• Intermediate Clutch Spiral Retaining Ring Kit
• Pump Cover Seals (2) Late

This Sonnax Shift correction kit fits the following vehicle applications:

• Colony Park 1996-2010
• Cougar 1996-1998
• Crown Victoria 1996-2012
• E150, E250, E350 1996-2012 (14 bolt pan)
• Expedition 4.6L 1997-2002 (2003-2006 all)
• Explorer 5.0L 1996-2001
• F150, F250 1996-2010 (14 bolt pan)
• Grand Marquis 1996-2010
• Mark VIII 1996-1998
• Mark LT Truck 2006-2009
• Mountaineer 5.0L 1997-2001
• Mustang 1996-2004
• Thunderbird 1996-1997
• Town Car 1996-2011