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09-10-2010, 10:51 AM
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#1
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Junior Member
Join Date: Aug 2009
Location: CO
Posts: 25
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2004 Journey air filter change
Has anyonee changed their engine air filter? My engine is the Cat 350 HP C7. My filter lays horizonally for and aft above the muffler. My indicator shows about 24. It appears that the filter is removed and inserted from the front of the canister.
Another question. Reading my Cat manual, it says that the reading should be taken at full governed engine speed!
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09-10-2010, 10:58 AM
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#2
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Senior Member
Join Date: Jul 2009
Posts: 1,115
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If your filter is like my 03, the "canister" that you mention is actually the filter. You remove the fittings from the ends/side and undo the clamps around the filter. It's not a difficult job but it does require some "adjusting" to get everything aligned properly.
Be sure to wear eye protection because junk will be falling on your face.
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ernieh
2012 Phaeton 36QSH
2007 Wrangler Toad
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09-10-2010, 11:01 AM
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#3
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Senior Member
Join Date: Jun 2010
Posts: 4,352
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Welcome to the forum. The air reading indicates restriction in the air flow & suggests the air filter needs replacement. I'd suggest you reset it and check it again. At one of the RV sessions I attended the technician said passing trucks or sometimes strong side winds can affect the air flow and give incorrect reading on the gauge. Can't hurt to reset it and see if it resisters a lower lever after you drive it. I haven't yet replaced one so I can not answer your specific question.
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Bob, Sandi & Marmaduke the Big Pug
SW OREGON 2004 Journey 39K, 330 Cat
If towing: a 2006 Mini Cooper or 2015 RAM Limited 4X4
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09-10-2010, 11:20 AM
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#4
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Senior Member
Join Date: Sep 2010
Posts: 344
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Quote:
Originally Posted by bglewis
Has anyonee changed their engine air filter? My engine is the Cat 350 HP C7. My filter lays horizonally for and aft above the muffler. My indicator shows about 24. It appears that the filter is removed and inserted from the front of the canister.
Another question. Reading my Cat manual, it says that the reading should be taken at full governed engine speed!
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Here's the answer to changing your filter
Journey 36G Engine Air Filter Installation
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bob
2001.5 Fleetwood Discovery 37U 330HP Cat
Toad-2008 Yamaha Royal Star Tour Delux
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09-10-2010, 01:49 PM
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#5
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Junior Member
Join Date: Aug 2009
Location: CO
Posts: 25
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Quote:
Originally Posted by bob109
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Thanks alot Bob. I had just finished the replacement an came in and read your info and pix. It took me two hours also. The hardest part was, as you said, fitting the engine side hose back on....with one hand!! I finally got it on by rotating the filter from the rear. Great slide show and I'm sure will be a great help to others.
Bernie
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09-10-2010, 01:53 PM
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#6
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Junior Member
Join Date: Aug 2009
Location: CO
Posts: 25
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Good info. I thought that might be a good idea, but hadn't done it. Anyway I'll remember that in the future and if the reading takes a big jump in a short time, I'll reset it and check it.
Thanks,
Bernie
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09-10-2010, 01:58 PM
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#7
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Junior Member
Join Date: Aug 2009
Location: CO
Posts: 25
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Quote:
Originally Posted by ernieh
If your filter is like my 03, the "canister" that you mention is actually the filter. You remove the fittings from the ends/side and undo the clamps around the filter. It's not a difficult job but it does require some "adjusting" to get everything aligned properly.
Be sure to wear eye protection because junk will be falling on your face.
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Thanks, You are correct. It's a good thing I'm not a big guy, I barely fit in the tight places.
Bernie
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09-10-2010, 06:38 PM
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#8
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Senior Member
Join Date: Oct 2008
Location: Marshfield, WI
Posts: 454
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When we were at Camp Freightliner this spring, we were shown an air cleaner that had very few miles, but had been sitting on a manufacturer/dealer's lot for several years. High humidity had softened the paper element to the point where it came apart and was ingested by the turbo. It did a real number on the turbo and cost big $ to get it repaired.
From that discussion and example, I decided to change our air filter based on elapsed time rather than miles or the differential pressure indicator. Its got be cheaper than running the risk of rebuilding a turbo.
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Denny, Connie & Shadow (former barn cat made good)
2006 Tiffin Phaeton, Cat C7, Freightliner Chassis
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10-02-2010, 10:24 AM
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#9
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Registered User
Winnebago Owners Club
Join Date: Oct 2009
Posts: 848
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We have 64000 miles on our rig, I am 70+ years old have changed ours twice, and am just getting ready to do it again; It's a job but it can be done it an hour or so. Just make sure that it is sealed all the way around; Oh you will have to losen or remove the Mounting bracket, It makes it easier to remove/replace the filter; Good luck The only bad part is the price of the filter [,,
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