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09-05-2018, 08:06 PM | #1 |
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Join Date: May 2010
Location: Granite City, Illinois
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'55 car rear end oil capacity
The shop manual says that the banjo housing requires 3-1/2 pints (that is a little less than a quart) of 90 wt gear oil. I don't see how that little amount will come anywhere near touching the rubber of the rear axle shaft seals.
I saw another source that said 1 quart. Still ??? Then I saw another source that said fill it up till it spills out of the filler plug hole in the differential housing. Well, that will certainly submerge all the oil seals. Theoretically, I would have thought that enough to go up to the center of the axle shafts would be more than plenty, since the turning of the shafts would sling the oil around and keep the seals wet. I ask this question because I am in the process of replacing my axle shaft seals, but when I pulled out the axle shafts, there was no oil pouring out of the end of the axle housing (which means that oil was not even touching the rubber part of the seals). What say you all? |
09-05-2018, 08:13 PM | #2 |
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Re: '55 car rear end oil capacity
Fill to the bottom of the filler hole
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09-05-2018, 10:58 PM | #3 |
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Re: '55 car rear end oil capacity
The builder of my avatar's rear end ('55 Ford) filled it to the filler hole as stated above by Paul.
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09-06-2018, 05:12 PM | #4 |
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Re: '55 car rear end oil capacity
What they said...^^^
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09-06-2018, 09:40 PM | #5 |
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Re: '55 car rear end oil capacity
Yup! To the bottom of the filler hole. Too much is better than too little here.
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09-07-2018, 08:55 AM | #6 |
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Re: '55 car rear end oil capacity
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09-07-2018, 10:17 PM | #7 |
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Re: '55 car rear end oil capacity
From the '55 shop manual --
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09-08-2018, 06:56 AM | #8 |
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IMO - Re: '55 car rear end oil capacity
If one plans to force fill an assy, the condition of the vent is important. A blocked/inoperative vent will cause seal(s) failures). An overfill can also lead to lubricant frothing.
If you want to be 100% certain that you have a correct fill level especially after rebuild, is to raise the car level (all four corners), and fill until the plug opening spills fluid. Put the cap back in and run the car. Check the level again and a few hundred miles afterward. You also need to find a fluid with modern characteristics as much has changed from the fifties (and don't mix - a drain and fill should be considered).
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***** - DISCLAIMER -
The above posted information is in my opinion only (IMO) and may contain copy and paste material(s). In addition, any above tech information is supplied in good faith. No responsibility implied or otherwise can be accepted for the way others use or interpret provided data. Your experience(s), opinion(s) and mileage may vary. DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
09-08-2018, 08:29 AM | #9 | |
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Re: IMO - Re: '55 car rear end oil capacity
Quote:
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09-08-2018, 10:16 AM | #10 | |||
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Re: IMO - Re: '55 car rear end oil capacity
Recently Advised Did Not Know Left From Right Quote:
Posts Nos #98 and #99- To Wit - Quote:
Quote:
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