The 2006 Tiffin Allegro Bus has 4 NHTSA recall campaigns affecting an estimated 6,472 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
Recall campaigns
TRAILER HITCHES09V0690002009-02-271,408 affected
Defect
TIFFIN IS RECALLING 1,408 MY 2006-2009 ALLEGRO BUS, MY 2007-2009 PHAETON AND MY 2005-2009 ZEPHYR VEHICLES BUILT ON SPARTAN CHASSIS AND EQUIPPED WITH PUTMAN HITCHES. CERTAIN TRAILER HITCHES MAY FRACTURE WHICH COULD RESULT IN THE LOSS OF THE TRAILER.
Consequence
SUSPECT HITCHES MAY DEVELOP FRACTURES AND SUBSEQUENT SEPARATION MAY OCCUR, RESULTING IN A VEHICLE CRASH, PROPERTY DAMAGE OR PEDESTRIAN HARM.
Remedy
TIFFIN IS WORKING WITH SPARTAN AND SPARTAN IS HANDLING THE REMEDY FOR THIS CAMPAIGN (PLEASE SEE 08V-567). THE TRAILER HITCH WILL BE REPLACED FREE OF CHARGE. OWNERS MAY CONTACT SPARTAN AT 1-517-543-6400 OR TIFFIN AT 256-356-8661.
EQUIPMENT08V5090002008-10-073,507 affected
Defect
TIFFIN IS RECALLING 3,507 MY 2004-2007 ALLEGRO, ALLEGRO BAY AND ALLERO BUS, MY 2004-2005 PHAETON AND MY 2005-2007 ZEPHYR MOTOR HOMES EQUIPPED WITH A TWO-DOOR REFRIGERATOR MANUFACTURED BY THE DOMETIC CORPORATION. THE REFRIGERATOR MAY HAVE A DEFECT IN THE BOILER TUBE. PRESSURIZED COOLANT SOLUTION COULD BE RELEASED…
Consequence
RELEASE OF COOLANT UNDER CERTAIN CONDITIONS COULD IGNITE AND RESULT IN A FIRE.
Remedy
TIFFIN WILL BE WORKING WITH DOMETIC IN ORDER TO REPAIR THESE REFRIGERATORS (PLEASE SEE 08E032). DOMETIC WILL REPAIR THESE REFRIGERATORS BY INSTALLING A SECONDARY BURN HOUSING, A THERMAL FUSE, AND A MELT FUSE FREE OF CHARGE. DOMETIC HAS RETAINED STERICYCLE INC. TO MANAGE THIS CAMPAIGN. STERICYCLE WILL ASSIST THE…
STEERING08V0270002008-01-251,292 affected
Defect
CERTAIN MOTOR HOMES BUILT ON FREIGHTLINER CHASSIS AND EQUIPPED WITH ZF MODEL 8018 STEERING GEARS MAY HAVE BEEN ASSEMBLED WITH THE INCORRECT RECIRCULATING BALL SPACER. THIS COULD POTENTIALLY ALLOW THE RECIRCULATING BALLS TO ESCAPE FROM THE RECIRCULATING BALL CIRCUIT RESULTING IN A LOSS OF STEERING.
Consequence
THE OPERATOR MAY NOTICE HIGHER REQUIRED STEERING WHEEL INPUTS, OR THE NEED FOR MORE STEERING WHEEL ADJUSTMENTS WHILE DRIVING IN A STRAIGHT LINE IN COMBINATION WITH METALLIC CRACKING NOISES PRIOR TO A LOSS OF STEERING. LOSS OF STEERING COULD RESULT IN A VEHICLE CRASH.
Remedy
TIFFIN IS WORKING WITH FREIGHTLINER TO REPLACE THE STEERING GEAR FREE OF CHARGE (PLEASE SEE 07V343 AND 07E049). OWNERS MAY CONTACT FREIGHTLINER AT 1-800-547-0712 OR TIFFIN AT 256-356-8661.
ELECTRICAL SYSTEM05V3070002005-07-05265 affected
Defect
ON CERTAIN MOTOR HOMES CONTAINING A 50 AMP TRANSFER SWITCH BUILT BY INTELLITEC, THE MATERIAL USED FOR THE WIRE LUGS WAS CHANGED FROM NICKEL PLATED TO COPPER LUGS. THE COPPER LUGS ARE SOFTER THAN THE NICKEL PLATED AND DO NOT RETAIN THE TORQUE OF THE SCREW THAT CLAMPS THE WIRE CONNECTOR.
Consequence
WHEN THE TORQUE IS RELAXED, THE LUGS CAN BECOME LOOSE RESULTING IN EXCESSIVE HEAT WITHIN THE CONNECTED WIRE THAT COULD RESULT IN A FIRE.
Remedy
DEALERS WILL REPLACE THE CHANGEOVER BOX. THE RECALL BEGAN ON JULY 21, 2005. OWNERS MAY CONTACT TIFFIN AT 1-256-356-8661.
Complaints by component
ENGINE AND ENGINE COOLING:ENGINE:DIESEL
1
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
1
1injuries
POWER TRAIN
1
Total complaints3
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Nhtsa campaign number: 07e033000 cummings engine serial number 46565687 on 6/02/2015 the wrist pin failed on this engine that fall in the serial number range 46543077 to 46603939. The wrist pin failed while driving on la 1 about to turn onto i49 causing catastrophic engine failure. The engine had…”
“Isl cm850 engine stop engine now and other problems. Customer states that the #6 wrist pin was bad. The wrist pin was replaced. Then consumer was informed that the manifold gasket was out of line. That was realigned. *kb once the gasket was re-adjust, the engine knock disappeared. *jb”
“Dt*: the contact stated when the motor home was exposed to hot weather there were strong fumes present believed to be formaldehyde. The fumes were very irritating to the eyes of all occupants. The contact's spouse was hospitalized for five days due to respiratory problems, asthma, pneumonia and a…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2006 Tiffin Allegro Bus as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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