Sonnax has provided the following guide on the critical wear areas and vacuum test locations found in the Chrysler 948TE and ZF9HP48 models. Technicians working on these models should find this guide helpful.
Special tools are often needed when diagnosing transmission problems and overhauling units.
The modern automatic transmission and attached drivetrain system has many “mechatronic” parts that control and protect the traditional clutches and planetary gears. These devices shift the gears, lock the clutches and regulate the fluid pressures. Most of these items can be diagnosed and replaced while the transmission is still in the vehicle.
By now you may have heard of, or even experienced, a GM 8L45 or 8L90 transmission with a no-move or no-pressure condition. Conditions of no movement or no pressure after repair have plagued this unit since its inception. Here’s what you can do about them. Related Articles – Are you ready to rock in 2023?
As the installer was pumping fluid into the transmission from the right side of the vehicle, he was having a difficult time getting it full.
Sometimes, finding the cause of a complaint isn’t as straightforward as one would expect; sometimes, these causes can be very elusive.
It’s no secret that the auto industry is making big moves these days, but while a lot is new, one thing that never changes is that the men and women servicing vehicles need to be learning almost constantly in order to do their jobs safely and effectively. Everybody knows not to touch hot exhaust parts,
Sonnax highlights its line of pump vanes for GM 6T70/75 (Gen. 1), 10L60/80/90 (Gen. 1 and 2), Ford 6F50/55 and 10R60/80/90 transmissions. Sonnax touts this pump vane (part no. 124533) as a cost-effective alternative to replacing an entire pump rotor assembly. Related Articles – Rotary introduces XA12 Alignment Scissor Lift – ILI introduces Lubegard engine
Sonnax has introduced a new input housing forward sleeve kit (part no. 77733-52K), which the company says can increase input housing torque capacity and maintain OE forward piston apply area in GM 4L60, 4L60-E, 4L65-E and 4L70-E transmissions. Related Articles – Alto releases filter for Nissan GR-6 dual clutch transmissions – Alto introduces steel plate
The drop-in K1 apply boost valve kit and lockup boost valve kit are available from Sonnax.
At the recent PRI show in Indianapolis, Sonnax announced the release of its Smart-Tech drum module for racing GM TH400 transmissions. Related Articles – GFX adds new hard part for JF015E, REOF11A – Alto offers filter kit for GM TR-9080 DCT – GFX adds new pump for vintage Powerglide models According to Sonnax, this drum
