Pete Huscher
Pete Huscher
66RFE, Are Your Plugs in Place?
In this issue of Keep Those Trannys Rolling, we’re going to take a look at a 2013 Dodge/Ram R2500 that was towed into the shop with a “no move” condition. Our 2013 Dodge/Ram R2500 is equipped with a 5.7L engine and a 66RFE transmission. According to the customer, he had taken his vehicle to a local automotive repair shop to diagnose a delayed engagement and an erratic shift concern. The c...

ZF8, Just in Case
In this issue of “Keep Those Trannys Rolling”, we are going to take a look at a 2016 Land Rover Range Rover with a 3.0L engine and a ZF8HP70 transmission that has a persistent transmission leak. According to the customer, his Range Rover had been to several shops for a persistent transmission oil leak, but no one seemed to be able to fix it. The customer had copies of several repair orders ...

Conquering the Ghosts of an AS68RC
In this issue of “Keep Those Trannys Rolling”, we’re going to take a look at a 2010 Ram 5500 Cab and Chassis truck that was having erratic transmission operation and turning on the malfunction indicator light (MIL) at times. This 2010 Ram 5500 Cab and Chassis truck is equipped with a 6.7D and an AS68RC transmission. The Ram 5500 (Figure 1) was towed into our shop due to erratic transmissi...

Raptor with a Rumble
In this issue of “Keep Those Trannys Rolling”, we’re going to take a look at a 2017 Ford F150 Raptor that was experiencing a “rumble” sensation at times while driving. Our 2017 Ford F150 Raptor is four wheel drive and is equipped with a 3.5l twin-turbo Eco-boost engine and a 10R80 transmission. We first encountered this vehicle when the customer contacted us complaining about a rumble...

8HP70 Lack of Power and No Upshift
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In this issue of Keep Those Tranny’s Rolling, we’re looking at a 2017 Jeep Grand Cherokee that’s experiencing a lack of power and no upshift concern at times. Our 2017 Jeep Grand Cherokee is All Wheel Drive and is equipped with a 5.7L engine and a ZF8HP70 transmission. We first encountered this vehicle when a customer arrived at our shop one morning, complaining that his Grand Cherokee wa...

Diagnosing Subaru's Shift Lock System
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In this issue of “Keep Those Trannys Rolling”, we are going to take a look at a “Key Stuck in Ignition” problem on a 2015 Subaru Outback. This 2015 Subaru Outback was at a shop and is equipped with a 2.5l engine, a TR580 CVT transmission, a floor shifter assembly and does not have the “Push to Start/ Stop” option. The customer may also state that the problem is intermittent. The sto...

Ford's Park Detect System
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In this issue of Keep Those Trannys Rolling, we’re going to take a look at a 2015 Ford Explorer with a “Transmission Not in Park” message displayed in the Message Center of the Instrument Panel Center (IPC), and the Shift to Park light is on. Our 2015 Ford Explorer is equipped with a 3.5 L engine, a 6F55 transmission, a floor shifter, and has the Push to Start/Stop option. Our Explorer wa...

Diagnosing Ford's Intelligent AWD System
Understanding and diagnosing today’s domestic all-wheel drive systems can be quite intimidating. They’re designed to operate in conjunction with many of today’s on-board systems, such as the engine performance system, the transmission control system, and the antilock brake system, which may also include the vehicle ride and stability control systems. In this issue of Keep those Trannys Ro...

Getting to Know Today's Domestic AWD Systems
Today’s domestic all-wheel drive (AWD) systems are designed to operate in conjunction with many of today’s vehicles’ on-board systems, such as the engine performance system; transmission control system; antilock brake system, which may also include the vehicle ride and stability control systems; and other systems throughout the vehicle. In this article, we’ll look at the different types...

Honda's 2015 CRV All-Wheel Drive Systems
In this issue of Keep Those Trannys Rolling, we’re going to look at the 2015 Honda CRV all-wheel drive systems and what it takes to keep them rolling down the road. The 2015 Honda CRV is equipped with a 2.4L engine, a continuously variable transmission (CVT), a power transfer unit, and either a dual pump system (DPS 4WD), rear differential assembly, or an electronically controlled coupler sys...

A Look Inside the MP3010 Transfer Case
In previous issues of Keep Those Trannys Rolling, we looked at the Magna Performance MP3010 transfer case control system and the diagnostic routines needed to keep this four-wheel drive system rolling down the road. In this issue, we’re going to look inside the transfer case, to see how to disassemble, repair, and reassemble it. DESCRIPTION The Magna Performance MP3010 transfer case is a si...

Diagnosing Magna's MP 3010 Transfer Case Control System
Last time, we looked at Magna Powertrain’s MP3010 transfer case system and what it takes to control its four wheel drive system. In this issue, we’re going to look at the diagnostic routines that help keep this four wheel drive system rolling down the road. Transfer Case Shift Control Module (TCSCM) The MP 3010 transfer case system is controlled by the transfer case shift control module (TCS...

Magna's MP 3010 Transfer Case
The Magna Powertrain model 3010 (MP 3010) transfer case (figure 1) has been the heart of GM’s four-wheel drive truck line since it was introduced in 2011 to replace the New Venture Gear transfer case system. The MP 3010 transfer case is an electronically controlled, one-speed automatic, active transfer case, which provides three modes of operation: Auto 4WD, 4HI, and 2HI. Software cali...

Hyundai/Kia’s A6 Family of Transmissions
Hyundai/Kia Motor Company introduced its first, internally designed-and-manufactured A6 six-speed automatic transmission in 2009. Designing and manufacturing this new transmission was an enormous undertaking for them, with more than 150 engineers spending nearly four years to bring it to market. With over 300 patents and over 600 individual parts, the transmission’s compact design is on its w...

Raptor's Hill Descent Control System
In this issue, we’re going to look at Ford’s Hill Descent Control system, found on the new 2017 Ford F150 SVT Raptor. Ford has been using Hill Descent Control or HDC on the F150 Raptor, SVT, FX4, XLT, Lariat, and King Ranch models since year model 2013, but most of us aren’t aware of how the system operates. WHAT IS HILL DESCENT CONTROL? Hill Descent Control or HDC was originally designed ...

The Future of Automatic Transmissions
In this issue, we’re going to look at what the future holds for the automatic transmission industry. Fuel Economy Drive the Industry Since the introduction of the Corporate Average Fuel Economy (CAFE) standards in 1975, automakers have been at odds with the U.S. Department of Transportation (DOT) and the Environmental Protection Agency (EPA) to improve the gas mileage in cars and light trucks ...

UPDATE: 6L90E: No Line Rise after a Rebuild
In this issue, we’re going to look at a 2007 GMC K2500 equipped with a 6L90E that had no line rise after being rebuilt. But first we’re going to take a brief look at what makes the 6L80/90E transmission tick. Getting to Know the 6L80/90E The General Motors 6L80E and 6L90E 6-speed transmissions were introduced in the late 2005 General Motors truck line as a successor to the 4L60E and 4L80E....

Allison Inhibiting Gear Ranges or Shifts
In this issue of Keep Those Trannys Rolling, we’re going to look at one of the most common problems plaguing Allison’s LCT transmission group: inhibited gear ranges or shifts. These conditions are usually a result of the Transmission Control Module (TCM) receiving incorrect inputs from onboard sensors. The TCM monitors inputs from several onboard systems to operate the transmission properly....