I've never worried about or looked up what those 'seemingly' useless chambers are suppose to do. But I've kinda theorized they had something to do with the dynamics of the air flow. They wouldn't serve any other purpose otherwise.
Shrug, never thought that much about them, nothing to wear out and nothing to replace in them.
Just keep the squirrals and mice out of them....nutt'n else left to do.
cold air intake i do believe. think there should be a filter some place in there..but that's just a guess. i know it's for the intake to cool the engine down..a good idea to help with torq and/or milage and other fun things in a diesle (they are the best!) is to check out this cold air intake CAI website..it should be able to answer your questions and offer some fun toys for your truck. think you can call them and ask about the rattle sound too.
Sorry Stephanie,
Go back to diesel 101.
Cool air is not for cooling an internal combustion engine.
In fact with a diesel you have to work at keeping them hot enough to be able to get the best performance, mileage and longevity out of them.
There is nothing but air (and sometimes mice and squirrals) inside those plastic boxes.
The reason cold air is used is really just basic physics.
If my diesel truck loved cold/cool air. IT WOULD START AT -20F , with out being pluged in. Then I would not freeze for half an hour before it would give me some heat.
The reason it has a hard time starting in very cold air is because the low grade fuel can't vaporize enough for ignition.
Remember the engine is just as cold as the outside temp. ergo you have what's known as glow plugs for cold and semi warm starts, to help vaporize the fuel.
That it takes so long to warm up the coolant temp to get some warm air to your frozen feet is a testament to how little heat is generated by a diesel.
But it has nothing to do with how cold the air at the intake is.
And yes once it gets to temp, that engine thinks all that cold air is great.
Yep, that fuel does want to gel at relatively warm temps. Makes it kinda hard to atomize.
It's like trying to shoot jello from a squirt gun.
Then guess what happens when you do manage to get some out of the nozzle and it hits the cold walls of the combustion chamber.
In those kind of temps you must have some preheating of the fuel going on even after the engine starts.
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Re: Diesel truck question, whatthe heck is this thing?
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, with out being pluged in. Then I would not freeze for half an hour before it would give me some heat.
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