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Has anybody added a drain bung to a Torqueflite oil pan? Jump to page : 1 Now viewing page 1 [50 messages per page] | View previous thread :: View next thread |
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56D500boy |
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Expert 5K+ Posts: 9912 Location: Lower Mainland BC | Seems like it would be a good idea. The filler tube hole sits about 1/2" above the bottom of the pan. Looks to me like it would be possible to add a drain bung to the front (deep end of the pool) of the pan, i.e. a big flat nut and a nice hole in the pan sealed with an oil pan drain bolt or the like. As shown below: (PotentialLocationOfATorqueFliteDrainBung.jpg) Attachments ---------------- PotentialLocationOfATorqueFliteDrainBung.jpg (232KB - 215 downloads) | ||
wizard |
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Board Moderator & Exner Expert 10K+ Posts: 13054 Location: Southern Sweden - Sturkö island | Yes, it would be a good position, BUT - When the transmission fluid is to be changed, I always recommend to pull the pan and clean the pan from eventual clutch and band residue - there will always be something in the pan. Just draining the fluid would mean that you pour in fresh fluid that might agitate the residue and conterminate the fresh fluid. So, the proper service would be to pull the pan, clean it out - check the shift cable adjustment - mount the pan with a new gasket - drain the torque converter - fill up with Dexron III fluid according to the proceedure in the fsm. Adjust the bands and the throttle valve linkage after the specs in the fsm. | ||
mikes2nd |
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Expert 5K+ Posts: 5006 | yeah who is changing their trans oil that often? | ||
56D500boy |
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Expert 5K+ Posts: 9912 Location: Lower Mainland BC | Thanks Sven and Mike. I will leave the pan alone and service it properly (but messily) in the future. | ||
Phil_the_frenchie |
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Elite Veteran Posts: 915 Location: Pau, S-W France | I've one since restoration of car. The only benefit is to drain the oil pan before removing it so you have less oil on you when you remove the last bolt ... | ||
57chizler |
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Expert Posts: 3779 Location: NorCal | On the iron TF I have always used the fill tube to drain the pan, gets enough out so that it doesn't slosh over when removing the pan. | ||
56D500boy |
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Expert 5K+ Posts: 9912 Location: Lower Mainland BC | Phil_the_frenchie - 2019-03-23 12:20 PM I've (had?) one since restoration of car. The only benefit is to drain the oil pan before removing it so you have less oil on you when you remove the last bolt ... I think that is what I was thinking. Drain the oil first, then remove the pan. | ||
56D500boy |
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Expert 5K+ Posts: 9912 Location: Lower Mainland BC | Just bought a very dirty (on the outside) cast-iron TF pan that has fewer dints (two small one) for US$25 that is going to cleaned up, de-dinted and a new drain bung, just for fun. This: (eBayTransPan_1_small.jpg) (eBayTransPan_2_small.jpg) Attachments ---------------- eBayTransPan_1_small.jpg (142KB - 188 downloads) eBayTransPan_2_small.jpg (144KB - 187 downloads) | ||
jboymechanic |
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Expert Posts: 2196 Location: Muskego, WI | The first TF trans had a separate drain plug from the factory, like on my late production 1956 Imperial. | ||
56D500boy |
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Expert 5K+ Posts: 9912 Location: Lower Mainland BC | jboymechanic - 2019-03-23 7:10 PM The first TF trans had a separate drain plug from the factory, like on my late production 1956 Imperial. Any photos that you can share? | ||
jboymechanic |
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Expert Posts: 2196 Location: Muskego, WI | I'll see if I can find one for you. If not, I'll have to crawl under the care and take one. | ||
local2Ed |
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Extreme Veteran Posts: 580 | If the fill hole sits only 1/2 inch off the bottom, I don't think there is much to gain from installing a drain plug on the side of the pan. Just leave the drivers side pan bolts loose and let the passenger side hang down as low as possible to drain as much fluid out. Edited by local2Ed 2019-03-28 8:45 AM | ||
57chizler |
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Expert Posts: 3779 Location: NorCal | Or just unscrew the fill tube nut and let it drain from there. | ||
56D500boy |
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Expert 5K+ Posts: 9912 Location: Lower Mainland BC | 57chizler - 2019-03-28 9:35 AM Or just unscrew the fill tube nut and let it drain from there. Sure but that still leaves about 1/2" of oil in the bottom of the pan. The tilting of the pan off the driver's side bolts and using the fill tube hole to get the final drain before removing the pan seems to be the answer. | ||
57chizler |
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Expert Posts: 3779 Location: NorCal | When you take into consideration the radius at the floor/side intersection, a drain plug added on the side like shown in your pic won't completely drain the pan either. A 1/2" left on the bottom will make less of a mess than trying to remove a full pan. | ||
jboymechanic |
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Expert Posts: 2196 Location: Muskego, WI | Here is the factory drain plug location, on my 1956 Imperial with factory original TF. On the driver side of the pan, more toward the rear of the pan. (IMG_3535.jpg) Attachments ---------------- IMG_3535.jpg (143KB - 220 downloads) | ||
wizard |
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Board Moderator & Exner Expert 10K+ Posts: 13054 Location: Southern Sweden - Sturkö island | This would leave approximately the same amount of fluid as is the filler tube is removed. The advantage is that it's more easy to drain off a certain volume for to change the neutral starter switch or the shift cable. The filler tube is very often subject for small leakages. | ||
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