Halley, Pistons, TOM discussed on Car Talk

Car Talk


Key in your hair. Yes. Kind of a choking side. Yeah, and of course the thing doesn't stop. It doesn't crank at all. And then when I go through the flood procedure, I usually can get it to crank up after a few tries. You can. Yes. You can get this. It just makes that one noise and stops. Doesn't make any other noise even though you have the key in the stock position. Right. Okay, so when you do, you just keep trying. You keep going. And then finally, it goes and it starts. Well, I tried a few times. I put the pedal to the floor and crank it. Any cleans out a little and jumps and so here's a question. Here's a question. I have two questions. The first question is, have you noticed a loss of coolant? And the second question is would you care? Does this ever happen when the tank is less than half full? Good question. What about the first one? Have you noticed a loss of coolant? No. No, if you looked. Jeez. Well, I would look. But I finally does start. Is it accompanied by a voluminous cloud of white smoke, white smoke coming out? Then if you look, you will notice. Tom, did you see Halley's Comet? What? This year? No, no, did you? The movie? Did you see Halley's Comet? Because you have just witnessed something as rare as that. You have witnessed my brother being right. My brother giving the right answer. Notice how I pulled it right out too. And you notice how I probed for the right issues here, and determined that it happens mostly when the tank is less than half full. That was the clue. But you have Tom is a blown head gasket. No. Yes. And what is happening is that the coolant is leaking into the cylinder. And the thing is hydro locking when you try to start it in the morning, the piston of the pistons is coming up and it's trying to compress this uncompressed wheel in the physics department. Philosophy. History. Even better. It's trying to compress this uncompressed thing which is liquid and the crankshaft stops turning. And eventually someone will seek down between the pistons and the cylinders. If assuming it's only one cylinder that's affected and eventually you'll push enough of this into the crankcase of the finally the thing will start, but there's enough residual coolant left in that cylinder so that when it does start it just blows this huge cloud of white smoke. And eventually it begins to run on all four songs, the cloud disappears. You drive it to your destination. And then when you get it home at night, it has all night for the coolant under pressure to seat back into that cylinder so that you can reproduce the symptom tomorrow morning. How long has it been doing this, Tommy? Well, I noticed in the few times last summer. Yeah, it'd be most apt to occur after you've driven the car along distance. Yeah. Actually it will occur anytime. Yeah. This is a unique. When you have the right answer boy, you could just fire those questions out. You know, you have a very predictable response. That's right. This is very rare and I hope you can appreciate the fact that we're, you know, kind of reveling in this is important, by the way, I mean, you got to have someone look at this right away because desperately terrible things are happening. One is that you own a 78 Pinto. The 78 Pinto, by the way, is a much maligned car, which is not a bad car. This is not a bad car. Neville was a bad car. Used to blow up. Medic. This explode a lot, but in terms of durability, it wasn't bad. Two things are happening. One is you're losing coolant so one of these days you're gonna melt the entire engine and secondly, the coolant part of it is going into the oil. And coolant most part of which is water is not a good lubricant, so you're going to completely destroy this engine. I don't be a sissy. Just drive it. So tomorrow morning without fail. Get it someplace. Good luck Thomas. Thanks for.

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