2022 Tiffin Allegro problems: recalls, complaints and what to check
NHTSA has 5 recalls and 3 owner complaints on file for the 2022 Tiffin Allegro. Here is what they are, what a technician checks for each kind of fault, and how to look one over before you buy it.
LP gas and gas appliances: 2 recalls
Recall 21V545000 (20/07/2021): FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2021-2022 Allegro Bus and Phaeton motorhomes, equipped with certain Cummins L9 diesel engines. A fuel leak may occur from the fuel hose between the fuel pump and remote filter head.
Fix: Dealers will replace the fuel hoses, free of charge. Owner notification letters were mailed September 10, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-117.
Recall 22V511000 (20/07/2022): EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2021-2023 Allegro, Red 340, 2021-2022 Phaeton, Breeze, Allegro Red 360, and 2022 Bay motorhomes. The output line on the LPG tanks may not connect properly to the service valve, which can cause a propane leak.
Fix: Dealers will inspect and replace the service valves, as necessary, free of charge. Owner notification letters were mailed September 18, 2022. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-124.
What a tech checks: Regulator, lines and fittings, then the appliances: furnace, water heater, range. A proper pressure-drop leak test is the first thing a tech does on an LP complaint. Before you buy: Smell for gas with the tank open; have a shop do the leak test.
LP and furnace lessons · Furnace guide · Furnace 3D lab · Water heater 3D lab
Structure, roof and leaks: 1 recall, 1 complaint
Recall 22V273000 (22/04/2022): STRUCTURE:BODY
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2021-2022 Allegro and 2022 Allegro Bay motorhomes. The slide-room may extend out 6 to 8 inches while parked or possibly while moving, due to defective seals in the hydraulic cylinders.
Fix: Dealers will replace the hydraulic cylinders, as necessary, free of charge. Owner notification letters were mailed June 1, 2022. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-122.
What a tech checks: Roof sealant, seams, window and slide seals, and the frame. Water intrusion shows up as delamination, soft floors and stained ceilings months after the leak started. Before you buy: Press the sidewalls and walk the floor; look at every seam and seal.
Roof, leaks and body lessons · Seals and leaks guide
Doors, windows, steps and lights: 1 recall
Recall 21V680000 (05/11/2021): SEAT BELTS:REAR/OTHER:ANCHORAGE
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2018-2022 Allegro Breeze, Allegro Red, Allegro, Allegro Bus, Phaeton, and 2018-2021 Zephyr recreational vehicles. The sofa seat belts may not have been installed correctly, which could result in unsecured passengers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."
Fix: Dealers will inspect and repair the seat belts as necessary, free of charge. Owner notification letters were mailed October 29, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-118.
What a tech checks: Mostly adjustments and wear: steps that stop halfway on a bad switch, doors out of alignment after a slide shifted, exterior lights with a corroded ground. Before you buy: Every door, lock, window and light.
12 volt and 120 volt electrical: 1 recall
Recall 22V068000 (08/02/2022): ELECTRICAL SYSTEM
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2018-2022 Allegro and Allegro Breeze motorhomes. The buss bar may be improperly secured, which can cause electrical components in the DC Distribution Panel to overheat.
Fix: Dealers will replace the buss bar with a cable, free of charge. Owner notification letters were mailed March 18, 2022. Owners may contact Tiffin customer service at 1-256-356-0261. Tiffin's number for this recall is TIF-120.
What a tech checks: Voltage drop, grounds, the converter and the transfer switch. Melted shore-cord plugs and bad grounds cause most of the electrical complaints techs actually see. Before you buy: Battery at rest, converter output on shore power, GFCI test, every outlet.
12 V electrical lessons · 120 V and generator lessons · Wiring diagrams
Other: 3 complaints
What owners reported to NHTSA
05/24/2023, STRUCTURE,EQUIPMENT: Large slide will come out from wall of coach four to six inches while parked and driving. National safety problem issued by manufacturer. Repair was done, lasted five months then reoccurred. Trying to get fixed again. Out of service total of six months and counting. Dealer and manufacturer know no recourse will be taken. Filed CAP RV told not eligible due to being second owner. Problem was not disclosed prior to pur
02/23/2024, UNKNOWN OR OTHER: Purchased this RV motorhome in December 2021. From day 1 of this purchase, I have experienced what is being called the "creepy slide syndrome". When the motorhome is parked on in motion, the two hydraulic slides will creep (extend) out about 2-4 inches and at times have been extended as far as 6 inches. Have had more than 5 service repairs, including one national recall performed and the problem still exists. Bee
01/09/2024, UNKNOWN OR OTHER: Both hydraulic forward slide rooms creep out at will. This unit was purchased new in July 2023 and was in the shop for 3 months having issues addressed. The main issue is that these slide rooms creep/drift out on their own. The dealership says that we don't have the cylinders that were part of a recall. So they bled the existing cylinders and told us to hold the retract button for four seconds after the room slid
Looking at a 2022 Tiffin Allegro?
The Buyer's Check walks you through it on your phone: what to ask, the outside walk-around, water damage, every system on every power source, with the recalls above built in. You get a report that says what's a walk-away and what to negotiate on.
Checked against NHTSA 2026-10-23. Recall repairs are free at an authorized dealer. Complaints are owner reports to NHTSA and are not verified.