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Torque Converter Question |
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fmahannah
AMC Addicted Joined: Nov/20/2010 Location: Dahlonega, GA Status: Offline Points: 520 |
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Posted: Apr/09/2017 at 6:10am |
I am replacing the torque converter on my 74 Javelin with a 304/904 with a stock aftermarket one. I have never done this before. I noticed that the old one had a drain plug but the new one does not. My question is do I have to somehow pre-fill the converter with tranny fluid or does the tranny pump it full through the hole in the transmission shaft?
Also, is there anywhere I can get pre-formed transmission cooler lines for the 904 transmission? Mine had been cut and spliced and leak and I want to replace them. Bought a set from inline tube and they are for a 727 and the ends for the transmission side are very different from the ones from the 904. I don't want to have to cut, bend, and flare if I don't have to. Or is there a flexible type line that will work? Thanks for any info you can provide Forrest |
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74 Javelin AKA Ghost
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mixed up
AMC Addicted Joined: Jun/16/2015 Location: Monroe mich Status: Offline Points: 2177 |
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you can fill the convertor thru the shaft one or two qt is fine make sure you replace the tran seal a few dollars will save you the head ache later so you don't have to pull the trans when its leaking
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69 amx 290 auto
65 220 290 4spd 80 ford fairmont |
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fmahannah
AMC Addicted Joined: Nov/20/2010 Location: Dahlonega, GA Status: Offline Points: 520 |
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So I have to pre-fill the converter or will the tranny fill it once the engine is running?
I ask only because like an idiot I already have he tranny attached to the motor and ready to go in. Converter I bought had no labels or instructions saying to add any fluid, and no drain plug either. Thanks Edited by fmahannah - Apr/09/2017 at 8:23am |
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74 Javelin AKA Ghost
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304-dude
AMC Addicted Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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I always make sure a converter has fluid in it. Helps push fluid back into the system quicker. As fluid goes to the converter and then to lubrication. If the converter is dry, no pressure will build until the converter is filled.
It don't matter about the drain plug. Not all converters had them. And if serviced, you can drain back out from the snout. Or have one added when rebuilt. Mine has a wee one added, which really does not function once the flexplate is installed. |
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16611 |
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the pump will fill the converter. put it in neutral, and check it in neutral. (Put about 3-4 quarts in before you start it, then put in a few more quarts 3-maybe 4 and check it. if the old converter has a drain plug, means it was probably rebuilt.
Ive started them with empty converters. many many times.
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Mopar_guy
Supporter of TheAMCForum Joined: Jun/07/2009 Location: Ohio Status: Offline Points: 4832 |
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X2! |
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"Hemilina" My 1973, 5.7 Hemi swapped Javelin |
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fmahannah
AMC Addicted Joined: Nov/20/2010 Location: Dahlonega, GA Status: Offline Points: 520 |
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Thanks guys, we went ahead and pulled it back apart and put fluid in the converter. Found mfg specs online and they said at least 6-8 ounces.
What about a source for either prebent 904 oil cooler lines or a braided line kit that will work for the 904? |
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74 Javelin AKA Ghost
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