vacationer Posted April 24, 2023 Report Share Posted April 24, 2023 Hi i purchased a used ET hitch about 4-5 years old. The bolts that hold the air bags down are missing is there any reason why they would be taken out on purpose. Also the air line can i use the air line from the slider hitch to tie into et hitch. Thanks lee Quote Link to comment Share on other sites More sharing options...
Darryl&Rita Posted April 24, 2023 Report Share Posted April 24, 2023 Is your slider switch connected to an alarm? Some trucks have an alarm that sounds as soon as the switch is energized, sending air to the slide solenoid. If not, use it, assuming your hitch has a levelling valve on it. If you don't have a levelling valve, the hitch will raise to tank pressure with the slide switch on, and drop to flat as soon as the switch is turned off. Quote I have been wrong before, I'll probably be wrong again. 2000 Kenworth T 2000 w/N-14 and 10 speed Gen1 Autoshift, deck built by Star Fabrication 2006 smart fourtwo cdi cabriolet 2007 32.5' Fleetwood QuantumPlease e-mail us here. Link to comment Share on other sites More sharing options...
rpsinc Posted April 24, 2023 Report Share Posted April 24, 2023 If you use the air source you are considering, at least on my truck, it WILL alarm as the truck doesnt like being in Drive with that air source activated. I am in the process of changing my hitch also and will be using air from my rear air bags, added a ball valve and a regulator for control of my hitch. Quote Marcel Link to comment Share on other sites More sharing options...
aknavy Posted April 24, 2023 Report Share Posted April 24, 2023 If you're singled, you should be able to use the inter-axle lock airline. It only turns on a warning light in my truck. I have it plumbed thru a gauge and control switch in the cab so I can set the air pressure. Another way of setting/controlling air pressure is a simple dial regulator, similar to what's on a compressor. Or, as mentioned, a leveling valve. Quote 2001 VNL 660 2018 DRV Fullhouse JX450 2018 Jeep Wrangler Rubicon Link to comment Share on other sites More sharing options...
rickeieio Posted April 24, 2023 Report Share Posted April 24, 2023 Our ET has a leveling valve. I thought they all did? Leveling valve negates the need for a regulator. I plumbed ours into the rear suspension. I added a ball valve and a dump valve so I can just dump the hitch. Quote KW T-680, POPEMOBILE Newmar X-Aire, VATICAN Lots of old motorcycles, Moto Guzzi Griso and Spyder F3 currently in the front row Young enough to play in the dirt as a retired farmer. contact me at rickeieio1@comcast.net Link to comment Share on other sites More sharing options...
phoenix2013 Posted April 25, 2023 Report Share Posted April 25, 2023 (edited) 14 hours ago, vacationer said: Hi i purchased a used ET hitch about 4-5 years old. The bolts that hold the air bags down are missing is there any reason why they would be taken out on purpose. Also the air line can i use the air line from the slider hitch to tie into et hitch. Thanks lee None at all, unless they were replacing airbags and did not re-bolt them. The bolts are 3/8-16, the threads in the airbags are aluminum, incredibly easy to cross thread. Bolts are engaged with fingers, if you can't finger thread them do not move on to the wrench. The bags are tilted (on purpose), because it's an arc that they follow, they are aligned straight for threading in a very particular spot height wise. I'm guessing they did it for some asinine reason and gave up, because it's not easy to put it back together. Edited April 25, 2023 by phoenix2013 Quote Link to comment Share on other sites More sharing options...
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