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51 desoto
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Author:  JonFisher [ Fri May 14, 2010 2:52 pm ]
Post subject:  51 desoto

I just purchased a 51 desoto and had a couple questions,

it has tip toe m6 semi automatic, I was reading some articles and previous posts on here and wanted to be sure I had it right about the fluid types...the gear box itself with the side fill and empty plugs takes 10w non det? and the fluid drive unit itself take hydraulic #34? How do I drain the fluid drive unit. Also I bought a new engine oil filter element from napa and they gave me the #1071 filter is this correct as the one currently in the canister is a little bit of a wider cartrige, the 1071 looks like it will fit.

Any input will be helpful

Thank you

Author:  lesfairbanks [ Fri May 14, 2010 10:10 pm ]
Post subject:  51 DeSoto

Hi Jon, the transmission and fluid coupling use the same fluid. The replacement fluid for both is 10 wt. non-detergent motor oil as you said. But, it is getting hard to find. I read an article several years ago by someone that is supposed to know a lot about the transmission that said the hydraulic fluid is actually better than 10 wt. oil He made a very compelling case backing up what he was saying. I put hydraulic fluid in the transmission in my 52 several years ago and it has worked well. The fluid coupling still has whatever was in it when I bought the car about 13 years ago. Unless there is some problem or you suspect someone has put the wrong fluid in the fc, I don't think it is necessary to change it. To drain the fc, turn the engine until the fill/drain plug shows in the access hole on the right side of the floor board, remove the plug and turn the engine until the hole is on the bottom and let it drain. Then turn it up to the top to fill it and fill it until fluid runs out of the fill/drain hole. Suggestion, before you take the plug out, put a rag in the opening so the plug can't fall into the bell housing if you accidently drop it. Les

Author:  PaulMurkowicz [ Sat May 15, 2010 3:21 am ]
Post subject:  51 desoto

Jon, I have a 53 and its drive is simialr to your 51. I put 10W in both as Les stated. The hydraulic oil may be fine but you need to make sure the numbers are the same as what Les has been using successfully. I can corrobate what Les has told you. If you want to use the 10W non detergent, I can provide you a source for it.

Author:  JonFisher [ Sun May 16, 2010 9:04 pm ]
Post subject: 

Thanks for the info this will help out a lot. I was able to get a case of 10w non det from I will let you know how the transmission oil change comes out I am just enjoying the car now in the nice weather, hope to get around to changing the oil this week on it. This site is very helpful, am going to definatly join this club.

Author:  JerryBlakey [ Mon May 17, 2010 12:33 pm ]
Post subject: ... il-0801210

Author:  JerryBlakey [ Mon May 17, 2010 11:29 pm ]
Post subject: 

if you have a 6 it should use the fram C134PL oil filter at rock auto for $5.04 .the next name brand filter is $7.

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