The Fireball
Fort Myers, Florida
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Joined: 07/03/2005
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My air horns sound SICK. Instead of giving a loud warning blast, they give more of a moan. Any constructive ideas?
Thanks,
The Fireball
"ONCE A MARINE, ALWAYS A MARINE"
...OoRah...Semper Fi
The Fireball  and Missy 
Furkids - Skippy  & Skeeter 
2006 Monaco Knight 38' 4-slides, 330 Cummins
2006 Jeep Wrangler dingy
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othertonka
Stockton, CA
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Joined: 11/15/2003
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Sounds like a lack of proper air pressure, maybe an orfice in the air line is plugged somewhere. I don't know how to trouble shoot but start at the horn itself and work backwards along the air line would be my guess
Othertonka
2004 Southwind 32VS 8.1 Workhorse chassis
2002 CRV Toad
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Jamboree89
Pennsylvania
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Pull the covers off the front and make sure the trumpets are clear of obstructions.
1998 Monaco Dynasty
Scion Xb
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Supercharged
Az.
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Joined: 01/01/2005
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Would a train whistle rather then a air hour be the right thing for on my truck?
2005 Chev 5.3 Supercharged 395HP 425 T hp. Two wheels on front, 2 on back. one seat, tint windows. front and rear bumpers, headlights, windows. Door on each side. Heater, floor mats, 6 Reese candy bars, junk behind seats, some dirt. Pulls so hard.
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Boonedocks
Texas
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Here's a link for train horns
Train Horns
2003 Country Coach Intrigue towing 2006 Ford Focus. Follow our full timing adventures at The BooneDocks
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Vet Man
Ct. & Florida
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Joined: 09/28/2003
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Perhaps the pressure switch has failed. JC Witney has all the parts you will need. My press switch and solinod up to the horns needed replacing, neither comes with the kit. They are sold seperate.
2008 Itasca Sunrise 35A
2008 Honda CRV Toad
2010 ZR1 Colorado Toad
2011 Honda PCX Scooter
"We Traveled To Alot Of Different Places While On Vacation, Until The wife Asked Directions"
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ArchHoagland
Clovis, CA, USA
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The solenoid where the air hose to the horn attaches is probably dirty. It is a common problem with the Hadley system. You can remove and disassemble it and clean the corrosion out. I did that twice with mine and found that it lasted about 6 months at best.
I finally replaced the solenoid assembly. Cured it for three years so far.
Hadley Solenoid valves
2004 Monaco
La Palma 36DBD
Two Slides
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Workhorse W22 Chassis
8.1 gas engine & Allison 1000 transmission
7.1 MPG based on fuel used over 46,000 miles
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2000 LEXUS RX300 FWD 22MPG 4020 LBS
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codelld
Massillon, OH
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The reply about pulling the horn covers could be your answer. My horns sounded bad and opening them up revealed that mud daubers had made a nest inside and blocked the air flow. I did not find any insects but if any hatched they were probably deaf!
Dennis Codella
'07 HR Endeavor 40PDQ
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Tinstar
McKinney, TX
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My air tank shows psi. I would think yours does also. Check the air pressure first then check for obstructions in the trumpet.
 Never pass up a chance to go somewhere
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The Fireball
Fort Myers, Florida
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Thanks for the good advice. I think I'll start with pulling the horn covers. Wouldn't doubt if a mud dauber or a tree frog is in there.
If that doesn't fix it, where might the solenoid be located?
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