ActionGrant Posted July 26, 2013 Report Share Posted July 26, 2013 Hi Everyone, long time no post! I have a 1951 DeSoto Custom (S15) with a 250.5 L6 and a two range Fluid drive transmission. Currently the issue I'm having is that when driving the car, when its cold there are no problems, but as it heats up I start to notice a squeaking coming out of what sounds to be the transmission. This only happens when I am driving along after the car has shifted out of underdrive and I am not accelerating any more. I notice a squeaking that is speed dependent (faster if I'm driving faster) when I let off the gas to coast along. Any thoughts on what this might be? Quote Link to comment Share on other sites More sharing options...
Don Coatney Posted July 26, 2013 Report Share Posted July 26, 2013 Is everything full of oil including the differential? Quote Link to comment Share on other sites More sharing options...
John Reddie Posted July 26, 2013 Report Share Posted July 26, 2013 Hello and welcome. The noise that you describe could possibly be a universal joint. I am not sure of the type that your DeSoto is equipped with but I remember that my 1949 Chrysler Windsor had the cross type instead of the trunion type with the rubber boots. You may have one that the grease has dried up on and is letting you know it. Good luck to you. John R Quote Link to comment Share on other sites More sharing options...
Solution Frank Elder Posted July 27, 2013 Solution Report Share Posted July 27, 2013 Another misaligned emergency brake rubbing??? Quote Link to comment Share on other sites More sharing options...
ActionGrant Posted July 27, 2013 Author Report Share Posted July 27, 2013 Don: I actually haven't checked the fluid levels. I was under the impression that the rear differential was sealed and doesn't have a fill plug on this year. Other issue I have is, when I had the carpet installed the shop glued it to the floor even over the access panel for the transmission and I tackled that particular issue yet... John: I'm pretty sure it is a cross type. I have to jack the car up and check it to see if it looks dry or feels loose. I've parked it for now as I've been quite busy with work and classes but I hope to take a look at it next week. Frank: When you say another, do you mean this happened to you as well or there was another topic on it? It doesn't seem to make the sound when it is in underdrive. Also of note, I forgot to mention that the sound stops immediately if I push in the clutch while coasting along. Thank you for the responses! Quote Link to comment Share on other sites More sharing options...
ActionGrant Posted July 31, 2013 Author Report Share Posted July 31, 2013 Frank, you were exactly right! It was the emergency brake making the squeaking! Thank you everyone for your input! Quote Link to comment Share on other sites More sharing options...
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