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Class A engine access


etcetera
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It's easy. You give your credit card to the nice guy at the service counter, the sweating and grunting occurs out of sight and ear shot, easy peasy. In reality, your question should be a 2 parter. Side engine fan models are typically easier to service than rear fan models, while front engine models are just a bear. A lot of side fan pusher service can be done without entering the cabin, a little less on the rear fan pushers. Much more work on front engine models will require removal of the doghouse, and working from inside.

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8 minutes ago, etcetera said:

Supposedly removing the doghouse exposes the entire top of the engine.

It actually varies quite a bit from one make/model to the next. I doubt that any of them would be considered to be easy to access things like sparkplugs. 

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Here's a generic version; 
How to Remove the Doghouse (Engine Cover) from RV - YouTube
Most doghouses aren't a 2 piece setup, like he's showing, and usually have a bolt in each rear corner, and either a screw or buckle in each front corner. You can touch most of the top, but you'll be working from the bottom for spark plugs and things like that. Air filters are remote mounted now, as are cabin air filters. Oil filters might be engine mounted, or remote, but they're underneath work, either way.

Edited by Darryl&Rita
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