2021 Editions Archives - Transmission Digest
Manuals today: A specialty option

Manual gearboxes have become much less common in vehicles over the past few decades. The automatic shift transmission became popular—and later dominant—during the 1960s. And, as sure as thunder follows lightning, the business of repairing manual units has decreased steadily as there are fewer of them. Once considered more fuel efficient, manuals have, over time,

Solving Ford 6F35 transmission fluid overheating issues

With 14 years of being on the road, the Ford 6F35 transmission has a sizeable list of issues requiring repair associated with it. Generation one units are the worst offenders as they have an additional problem to contend with: Ford no longer provides new solenoids for them. This means the hunt for good used solenoids

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

Shop profile: The success story of ACE Transmission

“I don’t know of another shop that does nothing but transmission work that has 23 bays going,” says Marvin Gott, founder of Springfield, Missouri-based ACE Transmission. Add to Marvin’s description the fact that the bays are full, the lot is full of more vehicles and there’s a large ACE reman facility across town building units

Reman U: The importance of company culture

Deep-rooted culture. Shared values. Common goals. Teamwork. Family. Friends. Commitment. These are just some of the things that make us successful. When we hire a new employee, we look so much further than the basis of “Can this person do the job?” We bring people in who we’d like to have a beer with, someone

Reman-U-Generic
Remanufacturing Is Surging

“Reman” has been around since the early days of automatic units, but the use of remans has exploded in the past 20 years.

A 6T70 IMS Invalid Range Signal

There are four inputs to the TCM from the position switch assembly, that indicate which transmission gear range has been selected.

Speedy’s Transmission Races Ahead of the Pack

Speedy’s works on all types of vehicles, from late-model vehicles with complex electronic controls to decades-old cars with complicated linkage.

ZF9HP48, 948TE Line Pressure Control and Diagnostics

The units are utilized in the Acura TLX and MDX, Chrysler 200 Fiat, Honda CR-V, Jeep Cherokee KL and Renegade, Range Rover, and Land Rover, to name a few.

A 5R110W With Transmission Overheating

A laser gun was used to check the temperature of the oil pan sump, confirming an overheating condition did exist.

Taking It Up A Notch

Few people have spent more time with torque converters than Joe Rivera of ProTorque Performance Products. Joe tells us he started working with transmissions at the age of 12. His father, Joe Sr., operated one of the earliest Lee Myles shops on Long Island. Last month, we discussed the profitability potential for transmission shops that

Recalibrating Nissan CVT8

Over the last decade and a half, the industry has become very familiar with the Nissan/Jatco CVT. The market has been flooded with these affordable commuter and passenger cars providing impressive fuel economy. It is partly achieved through the efficiency of these transmissions, but they also have become known for failing within 100,000 miles. These