Thread: 700R4 Drippy Dipstick
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02-04-2023 11:45 AM #1
700R4 Drippy Dipstick
When the cold weather set in I parked the roadster in the barn, tossed a couple of rodent repellent pouches into the interior & trunk and covered the top & window area with a tarp to contain the scent of the repellent. After a couple of months the tranny fluid has drained back, I'm thinking from the radiator cooler ans/or the torque converter, overfilling the case into the dipstick tube. My LOKAR transmission dipstick is leaking, apparently between the braided SS plastic insert tube and the trans tube fitting that fits into the case. The picture clearly shows the fluid in/on the braided SS to trans tube joint. The fluid level, by the dipstick, is up in the tube more than an inch and may be 2 to 3 inches. I'm thinking that if I had started the engine & dropped the tranny into gear every week or so it might have prevented this, but wondering if anyone has an idea how to seal the LOKAR tube? I've asked LOKAR, but haven't got a reply yet.
I'm considering starting it up to circulate fluid, than pulling the dipstick and verifying that the trans tube adapter is tight on the SS braided tube, cleaning the adapter & case with thinner/cleaner and applying a thin bead of RTV on the adapter to be sure it's sealed to the case. Wondering if there is a way to seal the inner plastic tube of the dipstick to the adapter fitting. Any ideas?
Also, a friend says that in an unheated space, with the tranny full and dipstick sealed in place (3 o-rings) as the tranny gets colder it shrinks the air in the case and actually pulls fluid back to the case, overfilling it. I can see the concept, but not sure if it's true or not. Again, any thoughts? Would it eliminate this whole issue if I start the engine & circulate fluid every few weeks? I KNEW I should have put a TREMEC in this one!!
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20230204_130212.jpgRoger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
We managed to get a couple of other small things taken care of. One was blacking out the front of the core support. When the sun hit the front of the car just right that green paint on the core...
1968 Plymouth Valiant 1st Gen HEMI