Sponsored video: GM 6L80 Random Shift Issues

Sponsored video: GM 6L80 Random Shift Issues

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. The reason Higher pump volume was required to accommodate the 1.5-, 1.6- and

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.

The reason

Higher pump volume was required to accommodate the 1.5-, 1.6- and 2.0-liter turbocharged engines. Parts affected include the stator shaft support and the pump body.

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

The complaint After overhaul, a GM vehicle equipped with the 6T40 BAS Hybrid transmission has a complaint of little or no movement. A line pressure check reveals extremely low pressure. The technician disconnected the transmission case connector to see what effect that would have on line pressure, but it was negligible. Related Articles – BendPak

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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Powertrain industry profiles 2022

The following pages contain powertrain industry profiles, key people and product information from leading companies in the marketplace. These profiles serve as an introduction for companies participating in autumn trade shows. Related Articles – Shift Pointers: Reassembling GM pumps with cam failure – Valve body and component suppliers: A comprehensive list – Are you ready

A wealth of information: Recapping the TCRA Annual Seminar

The profitable and proper remanufacturing of torque converters served as the focus for the 24th annual seminars and meetings of the Torque Converter Rebuilders Association (TCRA). The two-day event was held in the Detroit area in June and drew approximately 100 participants. As has been the case since the first of these converter segment get-togethers,

Biggest takeaways from the TCRA annual seminar

June 24 and 25 brought us the annual Torque Converter Rebuilders Association (TCRA) seminar, in which the organization meets to talk technical issues, vote on its board, and hold seminars. More coverage of this event is forthcoming in TD’s July issue, but in the meantime, here are some of the biggest takeaways from seminar day.

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How the global parts supply chain comes together

Have you ever wondered, when you open up a transmission kit, how many nations all of these different parts came from? How many different journeys these parts had to make to get to where they are, sitting in your shop, ready to serve their purpose in a unit that needs them? Related Articles – Road

June Cover Feature