Diesel Data: Automotive Repair

Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection



Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection


Tools Required
* J 41623-B Cooler Quick Connect Tool
* DT-47731 1/2 Inch Quick Connect Release Tool



Removal Procedure





1. Install the J 41623-B or the DT-47731 onto the transmission oil cooler (TOC) pipe.




2. Slide the J 41623-B or the DT-47731 toward the TOC pipe fitting.





Important: Rotate the J 41623-B or the DT-47731 to engage the TOC pipe fitting's retainer slots.


The J 41623-B or the DT-47731 should be nearly flush with the fitting.


3. Connect the J 41623-B or the DT-47731 onto the TOC pipe fitting.




4. Rotate the J 41623-B or the DT-47731 until the retainer clip (1) rises above the fitting retainer seat.




5. Pull back on the TOC pipe to disengage the pipe from the TOC pipe fitting.
6. Remove the J 41623-B or the DT-47731 from the TOC pipe.



Installation Procedure






Important: Inspect the TOC pipe fitting and retaining clip for signs of wear or damage. Replace the components if necessary.


1. Install the TOC pipe into the TOC pipe fitting.
A distinct snap should be heard or felt when assembling the TOC pipe to the fitting.
2. To ensure the cooler line is properly installed, give the cooler pipe a gentle pull.