I have worked in the automotive service business most of my life. RV's are somewhat new to me, but there are many similarities with them and their cousins... cars and trucks. I am a long time automotive enthusiast and hope to help others by providing any info I can. In the following blogs I will attempt to describe repairs and maintenance in terms that everyone can understand.
Thanks for reading my blog!
Replacing air filter and installing Banks ram air system.
Posted 11-05-2010 at 08:46 PM by Wanabee FTer
Tags banks, f53 air filter, k&n, ram air, replace filter
On my '97 f53 chassis, the air filter is hard to get to. It sits 1/2 way between the firewall and engine compartment. I had a service receipt showing it was replaced not long ago, so I have not removed it for inspection until I upgraded it today. I have worked on many cars and trucks and I never have seen an air filter this difficult to access. To remove the filter only, I had to remove the 2 front air box top cover screws from under the hood and then remove the dog house to access the 2 rear screws. It's kind of a work by Braille sort of thing, because the top of the air box under the dog house is not visible.
At that point you can lift the top air box cover from under the hood just enough to slide the flat air filter towards the front for removal. Whew!
But I'm not stopping there. I removed the hose clamps on the 2 hoses on the left side top box cover and removed the 2 rubber air intake tubes on the rear of the top cover at the plastic hose connector. Now the air box lid can be removed from under the hood. Then just remove 2 screws holding the bottom air box to remove it.
Great, now I cleaned the bottom air box (it was filthy) and assembled the new Banks air box lid together with the K & N filter to the existing bottom air box. I also attached the 2 hoses onto the throttle body side of the air box lid.
Now the air box unit can be reinstalled into the RV from under the hood. I used silicone lubricant on all the hoses to help ease reinstallation.
Next I installed the Superscoop in the grill and connected the fresh air tube. Lastly, I installed the Banks emissions label on the air filter assembly. It has a CARB emissions number on it that will be helpful if a smog cert is required in your state.
That's it for now, time to go kick back and think about my next project.
At that point you can lift the top air box cover from under the hood just enough to slide the flat air filter towards the front for removal. Whew!
But I'm not stopping there. I removed the hose clamps on the 2 hoses on the left side top box cover and removed the 2 rubber air intake tubes on the rear of the top cover at the plastic hose connector. Now the air box lid can be removed from under the hood. Then just remove 2 screws holding the bottom air box to remove it.
Great, now I cleaned the bottom air box (it was filthy) and assembled the new Banks air box lid together with the K & N filter to the existing bottom air box. I also attached the 2 hoses onto the throttle body side of the air box lid.
Now the air box unit can be reinstalled into the RV from under the hood. I used silicone lubricant on all the hoses to help ease reinstallation.
Next I installed the Superscoop in the grill and connected the fresh air tube. Lastly, I installed the Banks emissions label on the air filter assembly. It has a CARB emissions number on it that will be helpful if a smog cert is required in your state.
That's it for now, time to go kick back and think about my next project.
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