09-17-2021, 02:49 PM | #1 |
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nasty odor
We have 39 sedan that we recently bought. A couple weeks ago we took it for a 3 mile drive to see what needed tweaking if anything. It ran fine. It was a slow speed between 25 & 40 mph. Today we wanted to do the same drive but before we got 1/4 mile down the road we had a bad odor & I almost thought I could see smoke. We took it home. I adjust the brakes a little looser hoping that was it but it wasn't. The engine & radiator are very hot so maybe it's burning engine paint. Obviously overheating. I would think that after a 1 mile drive I could touch the radiator top tank & not find it too hot. Can't do that. I don't have a temp gun, maybe I need to get one. Any ideas on what to check? thanks.
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09-17-2021, 03:00 PM | #2 |
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Re: nasty odor
Just wondering which one of the "We" ate beans before the drive.
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09-17-2021, 03:02 PM | #3 |
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Re: nasty odor
Woodie, we need more information:
Did you check the oil? Did you warm up the engine before driving? Nasty odor smelled like what? Was there steam? Did you lose any coolant? A 3 mile drive is not sufficient to prove roadworthiness. I hope you'll soon be able to take a good long drive that includes city traffic and highway speeds.
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09-17-2021, 03:06 PM | #4 |
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Re: nasty odor
Roasted mouse??
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09-17-2021, 03:09 PM | #5 |
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Re: nasty odor
The oil level is to the full mark. Can't say I warmed up the engine. Just got in & started driving. I can't put my finger on what it smelled like. That's why I thought maybe paint burning off from being too hot. I did not get steam but the previous owner has a 4 lb. pressure cap on the radiator. The coolant is almost to the point of running out the filler hole.
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09-17-2021, 03:32 PM | #6 |
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Re: nasty odor
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09-17-2021, 03:37 PM | #7 | |
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Re: nasty odor
Quote:
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09-17-2021, 03:46 PM | #8 |
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Re: nasty odor
My 8BA ran cooler with 180 stats. Have you double checked timing ? Like 38V8 said more info needed.
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09-17-2021, 03:47 PM | #9 | |
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Re: nasty odor
Quote:
Regarding thermostats, this board has advocates for everything from 190 down to "no thermostats". I take the middle road and use 170, with good success so far. |
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09-17-2021, 03:49 PM | #10 |
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Re: nasty odor
>>>has a 4 lb. pressure cap on the radiator. The coolant is almost to the point of running out the filler hole.>>>
That's good if there's an expansion tank. Leave the cap on when checking coolant level. Just make sure the coolant level in the tank covers the overflow tube cold. |
09-17-2021, 04:36 PM | #11 |
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Re: nasty odor
You say to have the coolant just covering the overflow tube, is this for a split core radiator as well? I also see mention of checking the timing, how do you do that on a v8? I thought that had to be done on a Ford tester.
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09-17-2021, 04:54 PM | #12 | |
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Re: nasty odor
Quote:
Jack ENJ: "That's good if there's an expansion tank. Leave the cap on when checking coolant level. Just make sure the coolant level in the tank covers the overflow tube cold." How do you check coolant level with the cap on? Inquiring minds want to know. Wouldn't it be impossible to cover the overflow tube? The fluid would just keep running out of the tube wouldn't it, making it impossible to cover the tube? Am I missing something here?
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09-17-2021, 05:31 PM | #13 |
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Re: nasty odor
I just let the car run for a bit so I could see the water flow in the radiator. I'm guessing the coolant is too full. I see coolant in the lower radiator pan so it must be coming out the overflow tube.
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09-17-2021, 05:59 PM | #14 |
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Re: nasty odor
Woodie,I wouldn't do a thing with it but just get in and drive it.
You're doing right by not warming it up in the driveway. Any difference in timing wouldn't cause it to smell funny. Your 4 lb radiator cap will not pressurize for you unless you have a restriction valve at the exit end of the overflow tube. You're not overheating unless you see and smell steam.
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09-17-2021, 06:30 PM | #15 |
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Re: nasty odor
I think the way I see it, the water is coming out the overflow tube with the cap on. The fluid has to go up with the cap on pushing it out the tube. That's the way I see it. I could be thinking wrong. Wouldn't be the first time.
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09-17-2021, 07:05 PM | #16 | |
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Re: nasty odor
Quote:
Woodie, you are correct. Your overflow tube is separate from cap location, and must have a restrictor valve at the bottom in order for the 4 lb cap to pressurize. Skip Haney sells one for the purpose, that holds pressure at 3 lbs. Your coolant does appear to be a pretty strong mix. It may be foaming out the overflow and dumping on the crossover exhaust pipe thereby producing the indescribable smell. Your picture shows a normal coolant level, you can't overfill that design radiator having the fill cap on the side.
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09-17-2021, 07:42 PM | #17 |
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Re: nasty odor
I'm wondering if I should go back to the non pressure original style cap.
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09-17-2021, 08:03 PM | #18 |
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Re: nasty odor
You can pick up a infrared gun at local hardware stores fairly cheap to check you engine temps.
If the radiator isn't leaking from pressure, I'd stick with the 4lbs cap. I'm guessing you are smelling a chemical type smell? Not a oil or gas smell. I'm also guessing that someone painted the motor before selling to give it a fresh look. Possibly the exhaust manifolds also. I'm also guessing that'll burn of quickly. Best of luck. . |
09-17-2021, 08:55 PM | #19 | |
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Re: nasty odor
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09-17-2021, 10:51 PM | #20 | |
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Re: nasty odor
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