Pour at least one quart of ATF into the torque converter before installing it into the transmission. The torque converter can be very difficult to install into a freshly rebuilt transmission. However, gravity can be your friend here, and it may be necessary to stand the transmission on end.
Here, I have strapped the bellhousing to one of the lift posts to install the torque converter. When fully seated in the transmission, there should be very little room between the back of the torque converter and the oil pump. The torque converter must be installed and fully seated in the transmission before it can be installed in the vehicle. This may take several minutes, because you need to align the input shaft, stator shaft, and oil pump drive. Turn the converter while pushing it rearward at the same time.
Use a retaining strap to keep the torque converter from falling out of the transmission until you are ready for the installation. Once you have installed the torque converter, spin it several times to make sure there are no tight spots or binding. Do not attempt to install the transmission unless the converter is fully seated. Any attempt to pull the transmission up to the engine with the bellhousing bolts can damage the oil pump.
Place the transmission on the jack and secure it with a chain or strap. Adjust the transmission jack so the transmission is angled back slightly while it is raised into position. If you are working by yourself, you may want to install one bolt and a piece of flat bar bent in slightly temporarilyto hold the torque converter in the transmission.
Determine if the filler tube needs to go in before lifting the transmission into place, or if there is room to install it afterward. With many modern vehicles, the curve of the bellhousing and proximity to the firewall does not allow the tube to be installed after the transmission is in place and bolted to the engine.
If the stock torque converter is being replaced, it should be test-fitted to the back of the crankshaft to make sure the hub fully seats.
If a new torque converter is being installed, be sure to measure the front hub on the torque converter and the recess on the back of the crankshaft. Before installing the transmission, a test fit between the two components is a good idea. Check the size of the holes in the flex plate before installing the transmission. Some aftermarket converters require larger bolts and the flexplate must be drilled to accept them.
Find this out before installing the transmission and bolting it in place! The converter should fit tightly into the crankshaft, but still seat fully and turn freely. This step is extremely important, because the relationship between the converter and crankshaft maintain perfect alignment between the parts. Cut off the end and slot it to accept a flat-blade screwdriver for easy removal once the transmission is in place.
The upper bellhousing bolts can be difficult to access. To help support the socket, wrap it with a piece of electrical tape as shown. Scott , Jan 29, Joined: Jul 11, Posts: Profile Page. Just put the o-ring back on and put a little grease to lube it up before you put it in, there are no other seals that I'm aware of. Joined: Apr 3, Posts: Profile Page.
It might sound dumb but is the old oring out? Joined: Sep 4, Posts: Profile Page. Wrap the tube with teflon tape. I have done it several times and it works. Joined: Oct 7, Posts: 8, Profile Page. Clean the bore in the transmission good, clean the tube good, put "3M Right Stuff " liberally on the tube, insert, and let it set up for a day or two.
It will never leak again. That stuff is amazing. Don's Hot Rods , Jan 29, Joined: May 24, Posts: 1, Profile Page. You can replace the "o" ring seal with a "top hat" rubber boot seal. TH dipstick tube top hat seal. Share This Article. Product Description CT - Can't stop the leaking at the bas e of your filler tube?
Product Videos. Custom Field. Great product and fast service. You May Also Like You said it was a "rebuild" so I thought it was the same outer case. You need a different dipstick tube to fit the top hat seal this transmission uses. Mar 8, 8. Oops, I did not even notice the O-Ring on your tube. And to be honest I've never even seen one of those. I've swapped out probably 8 transmissions over the years and the hat style is the only one I've ever seen. Mar 8, 9. Thanks for the replies.
I didn't realize there were two styles, but the one that I took out was definitely older.
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