American Truck Simulator

American Truck Simulator

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Low Air Pressure ?
I add Air Brake Simulation and then i do some sleeping. When i wake upp and start the truck to drive i get a message : Low Air Pressure// And now i cant drive agen so i need to go back and turn it of.
My Truck isin perfect condition so whay do this happend almoust everytimes ?
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Showing 1-15 of 20 comments
Delta Dart Jul 4, 2016 @ 8:13pm 
You have to put the parking brake on, leave the truck idling, and let the pressure build up. It takes a couple of minutes to do, but it'll build up.
Spooky804 Jul 4, 2016 @ 8:17pm 
put truck in neutral and rev engine to build air pressure or you can just idle the engine like the guy above said but that takes longer
Symatrix Hill Jul 5, 2016 @ 12:07am 
Ok ty.
How do this work Air Brake Simulation ? Is it any good . And what about : Automatic Engine Brake ?
vonswe Jul 5, 2016 @ 3:21am 
If you loose all air pressure while sleeping and the truck is in perfect condition you have a problem with your controller that keeps the brakes on all the time. I do not know what you use, but increasing the deadzone on the brakes to 5% should fix it.
Symatrix Hill Jul 5, 2016 @ 10:31am 
Originally posted by PTVTCvonswe:
If you loose all air pressure while sleeping and the truck is in perfect condition you have a problem with your controller that keeps the brakes on all the time. I do not know what you use, but increasing the deadzone on the brakes to 5% should fix it.

I do not know what wrong i doing : i use eigther " Parking Brake or Brake / Reverse, what is wrong whit that !

I notice something else : At the first moment my truck get just a litle damage ( not much ) then my air pressur brake stopp working and i cant drive my truck before i turn it of.
If you ask me that is not the way the game should work " go to the meny and turn of and on 2 this make nonsense to me.
Jul 6, 2016 @ 7:33pm 
Originally posted by edrog-ha:
I add Air Brake Simulation and then i do some sleeping. When i wake upp and start the truck to drive i get a message : Low Air Pressure// And now i cant drive agen so i need to go back and turn it of.
My Truck isin perfect condition so whay do this happend almoust everytimes ?

I'm trying to think of what might cause this in game, but I can't come up with an answer. I've had it happen to me as well.

IRL, it'd mean you have a leaking air line/fitting/something-or-other in the trailer somewhere.
Symatrix Hill Jul 8, 2016 @ 12:09pm 
Originally posted by RadulfTheRed:
Originally posted by edrog-ha:
I add Air Brake Simulation and then i do some sleeping. When i wake upp and start the truck to drive i get a message : Low Air Pressure// And now i cant drive agen so i need to go back and turn it of.
My Truck isin perfect condition so whay do this happend almoust everytimes ?

I'm trying to think of what might cause this in game, but I can't come up with an answer. I've had it happen to me as well.

IRL, it'd mean you have a leaking air line/fitting/something-or-other in the trailer somewhere.

I stay away fro this bugged Air Pressure Brake, and i hopes they fix it or take it away.
Shurenai Jul 8, 2016 @ 4:05pm 
The air pressure isnt bugged, it seems that the first time you sleep after enabling the option it resets your air tank. If you look on your dashboard at this point, you'll see a meter with a red light (At least on the kenworth W900, should have a meter at the very least on the others) that is mostly/completely empty, Thats your air pressure gauge, Just switch to neutral, and rev your engines for a bit, and you can watch it climb up.

Once you have it about halfway its safe to drive, Never ever spam the brakes if you can avoid it. Every time you engage and disengage you use a chunk of your air, no matter how long you used them for. For your average braking needs, you'll get more than enough air just driving around after that initial buildup, and after that first sleep it -shouldnt- reset the air tanks again.
Last edited by Shurenai; Jul 8, 2016 @ 4:12pm
Chris Jul 8, 2016 @ 7:14pm 
Very Rare you will ever find a truck that holds air over night with the engine shut down in real life ,, Not even a brand new one ..
Originally posted by Chris:
Very Rare you will ever find a truck that holds air over night with the engine shut down in real life ,, Not even a brand new one ..

this... i had to go through the procedure every morning... on every truck i had the pleasure to drive...
Last edited by Jackrabbit_V6/ RSProduxx; Jul 8, 2016 @ 7:20pm
Jul 8, 2016 @ 7:20pm 
Originally posted by Jackrabbit_V6:
Originally posted by Chris:
Very Rare you will ever find a truck that holds air over night with the engine shut down in real life ,, Not even a brand new one ..

this... i had to go through the procedure every morning...
*headdesk*
Chris Jul 8, 2016 @ 7:31pm 
Originally posted by RadulfTheRed:
Originally posted by Jackrabbit_V6:

this... i had to go through the procedure every morning...
*headdesk*
LMAO Watch you will get a headache from beating it off the desk ,, 8 airbags no make that 10 air bags , a air ride seat 100s of items to leak off air all night .. Im glad they do leak off , Least the Engine gets a chance to warm up some before some jackass hot dog takes off with a bone cold engine like a nascar race LOL
Symatrix Hill Jul 9, 2016 @ 7:44am 
Originally posted by Chris:
Very Rare you will ever find a truck that holds air over night with the engine shut down in real life ,, Not even a brand new one ..

So whay do we want to use it ? And if it any good whay not turn it on and of , just a question.
( i have give it upp)
Symatrix Hill Jul 9, 2016 @ 7:47am 
Originally posted by Shurenai:
The air pressure isnt bugged, it seems that the first time you sleep after enabling the option it resets your air tank. If you look on your dashboard at this point, you'll see a meter with a red light (At least on the kenworth W900, should have a meter at the very least on the others) that is mostly/completely empty, Thats your air pressure gauge, Just switch to neutral, and rev your engines for a bit, and you can watch it climb up.

Once you have it about halfway its safe to drive, Never ever spam the brakes if you can avoid it. Every time you engage and disengage you use a chunk of your air, no matter how long you used them for. For your average braking needs, you'll get more than enough air just driving around after that initial buildup, and after that first sleep it -shouldnt- reset the air tanks again.


So whay do we want to use it ? And if it any good whay not turn it on and of , just a question.
( i have give it upp)

Ty for your advive by the way.
crsh Jul 9, 2016 @ 9:43pm 
Originally posted by edrog-ha:
Ok ty.
How do this work Air Brake Simulation ? Is it any good . And what about : Automatic Engine Brake ?
Air brake simulation on is basically all of the pressure being released from your trucks brake system, as thats what the brake rely on to stop, pressure, so when you let all of the pressure out, your truck cannot move due to reasons. Automatic engine brake is when you throw the truck into cruise and when your truck goes above the limit, it activates the Jake. For instance, when youre going down a hill, and you have the cc at 55 but because of gravity you are now going 60, the jake will activate so that you dont go over speed so much you get a ticket. Works like a retarder but a retarder is in the trans, engine brakes, also known as Jake brakes (guy who invented it his name was Jake), or engine brakes, are in the motor, and from my knowledge use combustion to slow the motor down. Hope that helped, I am not a professional with trucks, so if I got any info wrong let me know.
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Date Posted: Jul 4, 2016 @ 8:09pm
Posts: 20