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THM 4L60-E ACCUMULATOR PISTON WEAR

Posted on by Amos

COMPLAINT: When the accumulator piston wears with an "Egg-Shaped" hole where the accumulator piston strokes, it can create a delayed engagement to drive, slipping condition in forward gears, slipping 1-2 shift, slipping 3-4 shift, depending on which accumulator...

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NISSAN RE4FO4A OR VILLAGER 4F20E SLIPPING OR NO 2ND GEAR

Posted on by Amos

COMPLAINT: Before and/or after rebuild, the vehicle exhibits a condition of no upshift into second gear, or a slipping condition into 2nd gear.For more Auto Equipment? CAUSE NO. 1: One cause may be insufficient spring tension on the 1-2 accumulator piston,...

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MAZDA/FORD GF4A-EL - HARSH UPSHIFTS (ELECTRICAL)

Posted on by Amos

COMPLAINT: Vehicles equipped with GF4A-EL transmissions may exhibit harsh shifts, accompanied by a trouble code 56 or OBDII code P0710, Transmission Temperature Sensor Fault. NOTE: These trouble codes may or may not flash the M.I.L. CAUSE: The cause may...

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FORD 4R44E/4R55E/5R55E DELAYED ENGAGEMENTS AND / OR SLIPPING

Posted on by Amos

COMPLAINT: Some vehicles equipped with the 4R44E/4R55E may exhibit delayed engagements in forward and / or a slipping condition. Get more Car Scanner? CAUSE: One cause may be, that the Extension Housing Lube Orifice may have been left out of the valve...

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FORD AX4N - NEW PUMP SPACER PLATE TO VALVE BODY GASKET

Posted on by Amos

CHANGE: A new design pump spacer plate to valve body gasket was implemented during the 1998 model year for all models of the AX4N transaxle. REASON: To eliminate the possibility of unsupported gasket material breaking off and sticking valves in the valve...

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THM 440-T4 - DELAYED 2-3 SHIFT

Posted on by Amos

A long and/or delayed 2-3 shift on THM 440-T4 transaxle may be caused by a leaking 3rd clutch inner seal (Figure 1, Item 635A). A new, thicker seal is used in production and available for service replacement. The new seal can be recognized by a small...

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THM 200-4R - 325 - 325-4L - No Reverse And No Up-Shift

Posted on by Amos

COMPLAINT: No Reverse no upshifts, low gear only. CAUSE: Stripped splines on the sun gear shell as shown in Figure 1. CORRECTION: Replace the sun gear shell. If the vehicle is used in heavy duty operation (police-taxi) a new hardened shell is available....

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Torque Converter Identification

Posted on by Amos

With the many different stall speed converters that are available on late model GM and Ford vehicles it is important to be able to find a way to identify them. By examining the embossing or hatch marks on the converter shell you can determine whether...

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FORD AXOD - AXOD VALVE BODY GASKET CHANGES

Posted on by Amos

Since the start of production in 1986, the pump and valve body gaskets have changed for every model year on the AXOD. There are now a total of 12 gaskets for this transaxle, 4 for each model year, and they WILL NOT INTERCHANGE. Use the chart provided...

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FORD ATX - LOW/REVERSE BRAKE HUB SNAPRING

Posted on by Amos

The ATX low and reverse brake hub snap ring is not used when the transaxle is initially assembled at the plant. When servicing the ATX low and reverse brake hub, technicians may install a snap ring (E7GZ-7D483-8) to aid in assembly of the transaxle, however...

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