March 2014 Issue
In This Issue
6L90 Reverse Delay: Is a Partial Repair Appropriate?
4L60E harsh 1-2 shift: New builders, old problems
AW55-51SN Valve Body Issues: Valve Body – Replace or Gamble?
February 2014 Issue
A customer arrived at the shop with the complaint of an inconsistent check engine light, or MIL (malfunction indicator light). The vehicle was a 2008 GMC Acadia with a 3.6L engine and 6T70 transmission. It had 112,700 miles on it; however, the transmission did not exhibit any drivability problems. A scan tool was connected and
January 2014 Issue
In This Issue
Vehicles that hang out too long – going bad sitting still
6R140 upshift squawk – the noises that transmissions make
U140/U240: harsh engagement – friction sizes and shapes
Aftermarket hang-ons – and the problems they can cause
December 2013 Issue
In This Issue
6HP/6R60 solenoids: No end to changing colors
November 2013 Issue
In This Issue
4L60-E 3-4 clutch failure: Another contributing factor
4T40E 1-2 shift condition: Read between the lines
Crankshaft sensor or flex plate: Which item is it?
Axle-seal leaks: Choose the right seal
October 2013 Issue
In This Issue
Dodge Caliber CVT glitch – or a non-transmission issue?
Jatco JF613E FWD 6-speed
September 2013 Issue
In This Issue
Automatic transmissions in three-wheel vehicles
DCT 02E: erratic engagements, no-start condition
Mercedes 722.9: poor shift quality
August 2013 Issue
In This Issue
Cooler-line flushing: Is it an art or a science?
Diagnostic-trouble-code lights: They donʼt always mean what they say
4T80-E lockup failure: Donʼt overlook the basics
July 2013 Issue
In This Issue
Start-stop vehicles: The end game is fuel economy
A604 no-shift problem: Is it moving or not?
Mercedes maintenance: Pick the right tube
Hard-riding SUV: No more bounce to the ounce
June 2013 Issue
In This Issue
Rebuilding the Mercedes 722.9
6L80 shift issues caused by checkballs
Nissan CVT malfunction caused by throttle body
May 2013 Issue
In This Issue
45RFE/68RFE: A bit of change is good?
4L80-E lockup issue: Trouble codes donʼt convey everything
6F50/55 AWD leak: Know the source
722.6: No upshift – How many contributors are there?
April 2013 Issue
In This Issue
6R60/6R80: changes related to addition of one-way-clutch
A4AF3: avoiding catastrophic bearing failure
4R70/75: design changes to address planet failures
RE0F10A: harness connection problems
