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Old 08-29-2024, 11:22 PM   #1
Mini-Skoolie
 
Join Date: Jul 2023
Location: On the roads
Posts: 46
Year: 2000
Coachwork: BlueBird AA RE
Chassis: Pusher
Engine: 8.3 cummins 24
Rated Cap: 70+
Failed air filter?!

So heading up over a mountain pass heading east outside of Republic WA We lost power and pulled over just before a big climb. I checked the engine bay and found the new air filter canister I installed a month prior was deformed and being sucked into the turbo intake.
Not sure what could of caused it but any input would be welcome. It’s s Wix filter made in Brazil
Also the glue inside the canister seemed warm and soft almost runny…turbo is stock and not turned up…yet?
Bought it at orilyeys and they did not have any answers why it failed but they returned it no questions.
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Old 08-30-2024, 11:18 AM   #2
Bus Nut
 
Join Date: Oct 2018
Location: Central Alabama
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Year: 1998
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Chassis: TC/2000
Engine: 5.9 Cummins 12-valve
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I may be looking at this wrong, so can you post a pic of how the new one is installed? To me it looks as if there was some back pressure causing a blow out and the heat melting the glue. I am not familiar with the RE 8.3.

Edit: Unless the intake was attached to the black part and not the silver part, which would explain the issue.
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Old 08-30-2024, 07:53 PM   #3
Mini-Skoolie
 
Join Date: Jul 2023
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Year: 2000
Coachwork: BlueBird AA RE
Chassis: Pusher
Engine: 8.3 cummins 24
Rated Cap: 70+
It is attached to the black part . That’s the only way it will fit.
Here’s pics of new one installed. BTW these canisters are almost 400.00 a pop! Thinking about building a box to be able to replace just an element and not a whole canister…
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Old 08-30-2024, 09:12 PM   #4
Bus Nut
 
Join Date: Oct 2018
Location: Central Alabama
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Year: 1998
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Chassis: TC/2000
Engine: 5.9 Cummins 12-valve
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Looking at pictures online of different year models, some have the cannister (filter housing) mounted on the compartment back wall (which would be towards the interior). The cannister you have looks to be that style. However the year models around 2000 have the cannister mounted in a similar location as yours, but the cannister is shorter and mounted vertically. The brackets would be on the right side of the compartment, not the top as it appears to me. Has someone reconfigured the compartment?
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Old 09-08-2024, 12:39 AM   #5
Bus Nut
 
Join Date: Jun 2021
Location: Baja often, Oregon frequently
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Year: 1996
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Chassis: Ford CF8000 ExpeditionVehicle
Engine: Cummins 505ci mechanical
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a)
Your word 'canister' does not compute on my end.
Are you referring to the housing or the replaceable air-filter insert?
.
b)
As long as a replacement air-filter has adequate flow, any filter housing should be as effective and efficient as the original.
.
I wonder about visiting a heavy-truck dismantlers.
I bet they might have a filter housing for a semi-truck with an engine double the size of your Cummins 8.3.
Fabricate a bracket and plumbing, and you should have more than enough flow.
With adequate flow, the housing has zero reason to collapse.
.
Who spent $400 on the housing in your photographs?
Why was it replaced?
.
We have a 1996 Cummins 8.3.
Our engine is a 12-valve mechanical.
In my wildest dreams, I cannot imagine any reason for my air-filter housing to collapse.
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Old 09-08-2024, 06:56 AM   #6
Bus Geek
 
Join Date: May 2009
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that style filter is typically designed to have the air sucked into the outside and pulled in through the center..



this is so that the pleats are catching the dirty air and you have much more surface area than if you have the dirty outside air hitting the center.. the canister housing is designed to have clearance around the outside edges so that air travelling in from the pleated side (black in your case).. can travel around the canister to clear spots in the pleat and go into the intake..



by sucking the outside air into the center first you have very little surface area to catch dirt, so it clogs up extremely quick and you have a "blowout".. which is essentially so much negative pressure on the turbo side of the filter that you have positive pressure from the outside and pop! ..



that canister housing shou;d have a replaceable element inside of it.. never seen one of these that was disposable.. but anyway it doesnt look like the right part for the job..


edit: i just looked.. i guess the housing is disposable.. sad that they make something nice like this without a replaceable filter..



I would definitely build something that can take the correct air filter for your engine..


the reason these engines typically have such a big barrel or canister is that diesel engines move a LOT of CFM through them. and you want as little negative pressure as you can get at the air filter level and also longevity... thus why you dont see flat air filters on trucks and busses.. the filter surface area is designed so that the filter lasts a long time just remember when you build your air box you want the air to hit the pleated side of te filter first..
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