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Allegro/P-30

A place to share information about and to get help with your Tiffin Allegro and its P-30 Chevy chassis. I'm amazed at the seemingly infinite combinations of floor plans throughout the years. 

Members: 24
Latest Activity: Oct 3

Discussion Forum

Last camp or for the year 2 Replies

Well it was cold and rainy but fun. The furnace works great after I put a new circuit board in her. Good thing because it snowed on us the last night.

Started by Philip Wolsonovich. Last reply by Daniel Long Feb 8.

Another successful trip

Well another successful trip. This one to colonial Williamsburg VA. Had a great time and no incidents at all.

Started by Philip Wolsonovich Jul 6, 2018.

Redoing Onan genset wiring an such.... 3 Replies

In the next few weeks I've made the decision to pull the BFA 4.0 genset from the Allegro and get it into the workshop. Too many past splices to the wiring, the remote panel works half the time, now…Continue

Started by Daniel Long. Last reply by Daniel Long May 4, 2018.

Removed the Roof Rack 3 Replies

Well after years of contemplation, I finally decided to remove the roof rack. I love the classic Allegro look, but I just couldn't keep up with the leaks anymore. From the factory, there are 44…Continue

Started by Jim Stoltz. Last reply by Jim Stoltz Oct 4, 2017.

Comment Wall

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Comment by Daniel Long on August 14, 2017 at 7:45pm

This engine has about 3 hoses hooked up to the air filter housing. One looks like a breather (foam filter on the 10 position) and two other plastic pieces at 3 and 5 o'clock. These hook up into some belt-driven unit in front of the air filter. Guessing some kind of emissions system.

Comment by Daniel Long on August 14, 2017 at 7:30pm

I was wondering on the EGR. I have her parked and running and you can detect a low whistle. Put her in gear and the vacuum drops a bit. I would consider it a great victory if I could just stop that giant sucking sound when driving.

Comment by Lakota Wolf on August 14, 2017 at 7:01pm

FYI,, on additional Air Leak,,,,, Check your EGR valve,,, a quick test is to remove the hose from the EGR and plug it and take a test drive,,, 90% of additional air whistles I have diagnosed was the EGR..    Hope this is your solution....

Comment by Jim Stoltz on August 14, 2017 at 6:37pm

Well the vacuum leak takes a back seat now. I pulled it out of its spot because the ramps were sinking. I noticed something dripping on the driveway. Black tank is leaking. Looking at it, it's an old crack repair that has opened back up. I have no idea how it happened, or maybe it was just due. It wasn't a great repair. So I'm looking at Plasti-Mend ABS repair. The problem may be that the crack isn't even - there's a lip on one edge. I tapped it with a rubber mallet hoping it would pop back together but no dice. I guess it's been like that for a long time. Good news is that there's just some fresh water and sanitizer in there. I need to drain it and figure out what to do next.

Comment by Daniel Long on August 14, 2017 at 6:14pm

Yeah, it's something like an additional air noise that starts after running quiet and normal, like someone opens up an air valve. The strange thing is that the vacuum gauge doesn't show an appreciable change. With old BMW's and K-Jet I'm familiar with vacuum leaks and will swap out any of the lines I can get to before the next trip.

Comment by Jim Stoltz on August 13, 2017 at 10:08pm

Yes it does sound like a vacuum leak. I have a similar issue but haven't investigated. I have a curious "whistle" at times. I most recently heard it in this vid from one of my surveillance cameras: https://video.nest.com/clip/e61ee876224947dabc336519e2c2952e.mp4

It has to be some sort of vacuum leak. It will also load up as it idles. I need to rev it up to clear it out. Another thing on the to-do list.

Comment by Philip Wolsonovich on August 13, 2017 at 9:14pm
Daniel, it sounds like a vacuum leak. Check your vacuum line. If it's not that hopefully it's not the intake. We're up here just north of Bath south of Keuku lake.
Comment by Daniel Long on August 13, 2017 at 4:06pm

Got back from Watkins Glen KOA and had just about everything working as planned... RV'wise anyway. I am getting a strange air sucking noice off the engine while driving. this happens only occasionally and it ramps up the cabin noise a bit. I suspect it's something to do with the carb and taking in too much air.

Comment by Daniel Long on July 27, 2017 at 9:34pm

What was private? The website? Okay, the logo stuff will be uploaded to DropBox because the file sizes for the front RV logo turned out to be 42 megs. It's slightly curved due to the scanner pulling in a 4' strip into it but it's not bad. I even peeled a bit off and the glue is still good!! Anyway, I'll send you the invite to the DropBox site so you can go there and also send it to your sign guy. Have a good one!

Comment by Martha Toler on July 26, 2017 at 10:39pm

Unable to see it Daniel, says private! Still would like dimensions even though you sent logos PDF. Thanks

 
 
 

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Last camp or for the year 2 Replies

Started by Philip Wolsonovich. Last reply by Daniel Long Feb 8.

Another successful trip

Started by Philip Wolsonovich Jul 6, 2018.

Redoing Onan genset wiring an such.... 3 Replies

Started by Daniel Long. Last reply by Daniel Long May 4, 2018.

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