December 2005 Issue - Transmission Digest

December 2005 Issue

Issue Summary: The RE4RO1A underwent significant changes in many of the internal parts beginning with the 2001 model year. A Toyota/Lexus vehicle may exhibit shift-feel and drivability complaints after the transmission has been overhauled or replaced. Failure of the E-clutch piston in ZF 5HP24 (A5S 440Z) transmissions can cause flared 1-2 and 2-3 shifts. ZF Industries now offers a valve-body reconditioning kit for the ZF 5HP24.

Dealing with PCM fault codes on the Ford 5R110W

The complaint A 2005 Ford F350 with the 6.0 liter diesel engine and 5R110W transmission has set a P0753 “Pressure Control Solenoid A – Electrical Fault” code and a P2700 “Transmission Friction Element A – Apply Time Out Of Range” code. After a prolonged drive time, DTC P0752 “Pressure Control Solenoid A – Stuck On”

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The complaint

A 2005 Ford F350 with the 6.0 liter diesel engine and 5R110W transmission has set a P0753 “Pressure Control Solenoid A - Electrical Fault” code and a P2700 “Transmission Friction Element A - Apply Time Out Of Range” code. After a prolonged drive time, DTC P0752 “Pressure Control Solenoid A - Stuck On” and P0973 “Pressure Control Solenoid A - Circuit Low” also set.

Ford FNR5 slipping or no reverse hot

The complaint A Ford vehicle equipped with the FNR5 transmission has a complaint of a severe slipping condition in reverse. As the transmission approaches normal operating temperature, reverse movement is non-existent. Related Articles – Diagnosing AS68RC intermittent pressure switch/linear solenoid performance codes – Another needle in a haystack: Locating wiring problems – Shift Pointers: A

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FCA 62TE missing caged needle bearing

The complaint When the Low Clutch Housing is removed from the Underdrive Center Shaft of a 62TE transmission, one notices that the caged needle bearing located on the shaft between the sealing rings was missing (Figure 1, above).  Related Articles – Chrysler ZF8 generations 1 and 2 identification guide – When a transmission problem isn’t

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FCA 62TE slipping in second and fifth

The complaint Immediately after overhaul, a 2013 Chrysler Town and Country with a 3.6L engine and a 62TE transmission faults to limp mode. The scan tool reveals trouble codes P0732 “Second Gear Ratio Error,” P0735 “Fifth Gear Ratio Error,” P0792 “Compounder Speed Error,” and P1790 “Fault After Shift” are set. During the overhaul procedure, the

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Comparing the pumps on Ford 6F35 generation 1 and 2

The change For the 2013 model year, the Ford 6F35 transmission received a high-volume pump which increased the intake channel in the stator shaft support from 0.432” to 0.520”. The pump body intake channel was also increased to the same matching dimensions. Related Articles – Shift Pointers: No ball, no reverse – The multi-functional Clutch

Other Posts

What to do when a GM 6T40 BAS Hybrid loses line pressure

After overhaul, a GM vehicle equipped with the 6T40 BAS Hybrid transmission has a complaint of little or no movement.

Keep an eye out for 6L80/90 defective oil pumps

The complaint After replacing the pump assembly in a 6L80/90 transmission with a new GM pump the vehicle returns with symptoms that would appear to be caused by a low fluid condition: it falls out of gear at a stop and has low line pressure. Upon further inspection the sump filter, which was also a

Avoiding 4L60-E harsh shifts and engagements

The complaint The complaints are harsh engagements and shifts. The scan tool data reveals that there is no amperage command to the EPC solenoid therefor the line pressure is at maximum. There are no transmission codes stored, there are lean codes stored in the ECM. The ABS or the VSC (vehicle stability control) lights may

Fixing 4L60-E 1-2 shift issues

The complaint A 1993 Chevrolet 1500 with the 5.0-liter engine and 4L60E transmission has a complaint of second gear starts. The truck seemed to start off in first gear on an initial cold start but would stay in second gear at a stop or even when shifted out of Drive to Park or Reverse and

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