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Old 10-13-2014, 09:13 AM   #1
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Mystery Bang

So Saturday after 6 hours of Interstate towing through Texas and Arkansas we turned off I-40 and headed north on winding 40 amphibious highway towards Village Creek State Park. At about 10 miles we were rounding a sharp curve and heard a loud report that sounded like someone had thrown a concussion grenade in the bed of the pickup. Fearing a blowout we pulled off into a country church parking lot. Long story short, I have checked all tires, all systems, TV and can find nothing amiss. The only thing I can think of is that the number of curves after all the relatively straight Interstate driving may have caused the anti-sway friction device to bind up and then release with a bang? Anyone had this happen or have thoughts ?

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Old 10-13-2014, 09:14 AM   #2
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Mph not amphibious Why do they call these Smart phones lol


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Old 10-13-2014, 09:33 AM   #3
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You may find out later just what it was. I hope it's no big deal when you do.
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Old 10-13-2014, 09:33 AM   #4
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Don't know, but my guess is you have it right with the friction anti-sway bar. I've had them bind and act like that before especially after they've gotten wet.
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Old 10-13-2014, 09:34 AM   #5
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Did you feel anything through the truck when you heard the bang?

Was the curve also on a hill? Maybe the combined angles of the curve and gradient?

What WDH are you using. If an Equalizer maybe you should check the torque on all the bolts. Is there a gap between the rivet head and washers. Maybe the head slipped bit on the shank.

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Old 10-13-2014, 10:35 AM   #6
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Using an EZ wdh

Really didn't feel anything. Just a very loud bang. Towed from Village Creek to Seven Points just east of Nashville yesterday and everything was fine Tundra went up that last big grade on I40 just west of Nashville like nobody's business so I know it wasn't anything with TV. I loosened the antisway bar a bit just in case and it towed fine. The only other thing I can think is that on the curves and inclines one of the chains might have got into a bind and chose that moment to free itself


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Old 10-13-2014, 10:39 AM   #7
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Are you sure the noise originated with your vehicles? Could it have been someone else?
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Old 10-13-2014, 10:47 AM   #8
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I thought about that. Maybe somebody's car backfired just the instant I drove by


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Old 10-13-2014, 10:59 AM   #9
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No bullet holes anywhere?

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Old 10-13-2014, 11:01 AM   #10
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On my 310 motorhome, years ago, I was climbing a long grade in Utah red rock country. A terrific explosion occurred inside the rig somewhere, but there was no loss of power, nothing was different, but it was mega scary. When I got to the top of the grade there was a pull off and I was able to stop and check things out.

What I finally found was a spare can of R 12 refrigerant which was stored beside the auxiliary heater under the couch had overheated due to the high temp of the heater hose it was resting against. The cans have a vent tab in the bottom if the internal pressure gets too high. The huge bang was the can vent opening an venting a pound of refrigerant out in one gush. No smoke, fumes or odors, just a big explosion sound.

It has nothing to do with your noise of course, but it is a fun story I tell now and then.
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Old 10-13-2014, 12:51 PM   #11
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so you're the one responsible for the hole in the ozone and the resultant global warming....
Way to go. If it weren't for the manmade global warming fiction, all those newly graduated climatologists would be telemarketers. Good move.
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Old 10-13-2014, 01:16 PM   #12
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Hey Gringo, I know you are way, way above sea level . . . But could we focus here ⛵️


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Old 10-14-2014, 05:29 AM   #13
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have you looked at the battery?
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Old 10-14-2014, 05:58 AM   #14
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It could be that a bolt somewhere on your trailer (suspension?) sheared through and when the shear force was released all at once, you heard a bang.
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