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Old 05-09-2021, 08:38 AM   #1
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Join Date: Jan 2020
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Tiffin Allegro Red 33AL oil change

Would like to do the engine oil change on our 2020 33AL, however, I crawled under the coach and discovered the bottom of the oil filter is two inches above a coolant line blocking access to the oil filter. Definitely, not a lot of room surrounding this oil filter. I am hoping to find someone who has tackled this situation on this particular coach. I am not a fan of removing that coolant line. For those who have changed the engine oil on your 2020 33AA model have you run into the same problem as well.
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Old 05-09-2021, 09:23 AM   #2
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Tiffin Owners Club
Join Date: Apr 2011
Location: Stuart, Florida
Posts: 285
I found that the filter was a little difficult to access the first time I changed my oil. On mine the filter will clear however it holds a lot of oil so I slightly loosen the filter and then I punch a hole in the bottom of the filter and allow the oil inside to drain before removing it so it can be tipped to clear without spilling everywhere. When replacing the new filter I only fill it half way so it can be tilted without making a mess. Hope this helps.
2018 Tiffin Allegro RED 33AA, 2016 Wrangler, 2013 Harley Electraglide
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Old 05-09-2021, 11:25 AM   #3
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Thatís pretty much what I had to do also. Definitely make sure to loosen filter before punching (or drilling) a hole in it!

2020 Tiffin Allegro RED340 33AL
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Old 05-11-2021, 05:41 PM   #4

Tiffin Owners Club
Join Date: Sep 2020
Location: Houston, Texas
Posts: 61
I have the 2019. Same rig. Mine has the same line. Iíve done all of the maintenance on mine myself so far except change the oil. I was in a pinch then, so I had it done by a shop. Iíve communicated with someone that changed his own, and he indicated he did the same as others here. Loosened, punched a hole, tilted out to remove it. Sounds like my experience changing the air filter and fuel filters was easier than changing the oil. Iíll be doing it next time for sure.
Tommy & Franci - Houston, TX
2019 Allegro Red 340
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