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1948 Dodge Sedan overheating Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive World>> Antique Car Talk kcgdmd New User Aug 29, 2009, 4:28 PM Post #1 of 4 (3055 views) 1948 Dodge Sedan overheating Sign In I have a 1948 Dodge Sedan and everytime I run the car it overheats and starts spraying steam. I recently had it into a car shop to fix the problem. I had replaced the thermostat about 9 years ago but never got the car running due to overheating issues still continuing. I've recently started the project of fixing up the old car. They said that they flushed the radiator and that I shouldn't have any more problems but I still do. I can drive the car some distance but the whole time it gets hot and overheats, there is a tube connected to the radiator that releases steam along with any fluid in the radiator. I'm not sure what i should check next. I'm not very smart when it comes to cars so this whole thing is a learning experience. Any input would be greatly appreciated. Tom Greenleaf Ultimate Carjunky / Moderator Aug 30, 2009, 7:19 AM Post #2 of 4 (3047 views) Re: 1948 Dodge Sedan overheating Sign In At the age a lot is possible but radiator is primal. Send it out to be acid boiled if you can find a good old radiator shop. Those can be unsoldered and rodded out if I recall of any debris. Don't use strong anti-freeze either with these or anything. Max - 50% EG and no more, T kcgdmd New User Aug 30, 2009, 3:11 PM Post #3 of 4 (3039 views) Re: 1948 Dodge Sedan overheating Sign In Thanks Tom, I'll try that. I'm going to be driving it in a parade this weekend and I don't think there is time to get it done before then. But I'm glad you let me know about the concentration of the solution to use. Also, someone mentioned that the fan may be too small (not enough blades). He had a similar car and it always overheated until he replaced the fant with one that had more fan blades. I've also been told that I should remove the thermostat for now since I won't be driving it in the winter just yet. I did have one other question - the fluid drive - does anyone know how to check the level of the mineral oil in it to make sure it has enough? The car feels like it is slipping in forward motion but works just fine in reverse. I don't think the fluid level in the fluid-drive has been checked. Thanks again Tom Greenleaf Ultimate Carjunky / Moderator Aug 30, 2009, 7:49 PM Post #4 of 4 (3036 views) Re: 1948 Dodge Sedan overheating Sign In Know this about Anti-freeze: Too strong doesn't transfer heat well so weaker is better or even plain water for just the parade would work better. You might find an aftermarket fan that will fit that's more aggressive also. Don't leave it with plain water as the anti-corrosion qualities of anti-freeze is muchly needed for long term. These radiators didn't use overflow tanks but generic aftermarket ones should still be available. That just means you (when a closed system rad cap is utilized) takes full advantage of the expansion area of the radiator as it's always full - not down a 1/2 gal or so leaving room to expand before it throws up on ground! IDK - if this was intended to be ZERO pressure system get a ZERO pressure cap for a closed system if you try that - NAPA should have what you want or find the right radiator shop to help you if unique. Trans?? Hope you have instructions for checking level and what fluid to use if needed. I plain can't help with that one. Good luck with the parade! T   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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