A needle in a haystack: Finding and diagnosing intermittent problems
A customer brought in a 2013 Ram 3500 6.7L Diesel with the following issues: a CEL, a transmission temperature display on the instrument cluster reading incorrectly, and harsh shifting that would go into limp mode. This customer informed us that he just took delivery of the truck from a Dodge dealership. The dealership was aware of
Easy fixes to common transmission problems
Transmission makers are always throwing the repair industry curveballs. The challenges seem endless. Sometimes manufacturers will let us know of changes they are doing, while other times they let us figure it out as we go. I would like to go over a few examples we’ve encountered that may help you on a simpler installation
What to do when the right fault codes aren’t set
In this situation, we replaced the transmission in a 2004 Chevrolet Trailblazer and when the owner returned for a 15-day recheck, he mentioned that he had felt a hard shift at times. During my checks I found P0748 (Pressure Control Solenoid A Electrical) stored in the PCM history along with P0455 (Evaporative Emission Control System
You can’t learn everything from a manual: Ram ProMaster City test case
Today’s adventure starts with a customer coming into the shop with a 2015 Ram ProMaster City van with a 2.4L 4-cylinder engine and a 948TE 9-speed transmission. The customer came to our shop because the battery went dead, and after the new battery was installed, a bunch of warning lights came on. The odometer was
R&R Tech: 62TE transmission not shifting correctly
This article is in reference to a 2012 Chrysler Town & Country equipped with a 62TE transmission and 3.6L engine. While this might not be a technological breakthrough, this case is worthy of discussion as we have seen this issue on numerous occasions over the years. The transmission in this vehicle was one of our
Hyundai CV axle / PTU: A fresh set of eyes
One of the things I have always enjoyed about this job is when we are able to help another shop out with a problem that they have been fighting for a while and just have not been able to find the source of the problem. The following story is one of those situations, while it
545RFE Transmission with Hard Forced 3-2 Shifts
A while back, one of our retail locations received a 2011 Dodge Ram 2500 equipped with the 545RFE transmission and the 5.7L engine with a neutral condition in higher gears. The customer stated that the transmission has had shifting issues for some time but did not elaborate on those issues. As I began the verification and
Scoped Out
Chris Adams, Certified Transmission diagnostician, shares the story of a 6R140 and stresses the importance of control.
A New Surprise Around Every Corner
Paul Loch discusses a NAG1 transmission that wasn’t shifting correctly.
Snowplow Diagnostics
Mike Greer breaks down an AS68RC, bearing a snowplow, with diagnostic issues.
Unresolved
Mike Greer breaks down a 42RLE that has trouble leaving park.
Trouble in Reverse
When I first started the engine, the car jerked and moved forward 5’ and then neutralized. I noted a hydraulic pump whine also, and when I brought it into the shop I first checked the fluid and found transmission. This Mustang had 96,000 miles on it, so I thought surely this wasn’t a serious electrical issue.
