This 4th valve in the serial valves. Shows very excessive wear. Hydraulic pressure is almost nonexistent inside the transmission. This is usually the case when somebody drives the vehicle until it doesn’t move anymore.
The second valve illustrates slight wear on the pressure regulator valve causing low line pressure. At this stage of the game, you’re starting to feel a shudder when applying.
I’m going to touch base on the most common problem that I see with this transmission. It is a worn pressure regulator valve. This valves in the pump and the transmission needs to be removed for access.
It is not uncommon for repair facilities, especially dealerships, to suggest replacing the transmission. Experiences. We have done more repairs on these than replacements.
Another issue is the sleeve moving inside the drum. It will allow the sealing ring on this hub to get forced out of the groove.
The next few blogs will have some insights on the Ford 10 Speed automatic transmission (10R80 & 10R140). This transmission is installed in many vehicles, from Ranger, F150’s, Expedition, Bronco, Mustang and Ford Super Duty trucks.
We encourage you to have some phone conversations with an independent shop to see what makes you feel comfortable.
What we want to do is make an honest inspection that shows the proper heading that fits the vehicle's needs.
These inspections may point out critical areas that need attention right away and/or potential future items that need attention.
We hope our repair facility meets your needs. I look forward to continuing to blog about what we do here and share insights into the auto repair field.