The 2007 Volvo VT has 3 recalls, the most serious being a steering shaft that can separate from a loose retaining nut, causing complete loss of steering control and raising the risk of a crash.
The fifth wheel hitch assembly carries its own significant concern: the lever arm pivot bolt may have been overtightened during assembly, distorting an internal spacer sleeve and preventing the latch jaw from fully closing around the trailer king pin. A trailer that is not properly latched can detach from the truck while underway. On the fuel system side, the pre-heater built into the fuel filter base stays energized whenever the ignition is in the "on" position. If a technician performs fuel filter maintenance without switching off the ignition, the heat source can ignite diesel fuel inside the filter housing, and that fire can spread beyond the housing to the surrounding engine compartment.
At a glance
What can fail
The fifth wheel hitch lever arm pivot bolt may have been over-tightened during manufacturing, distorting the spacer sleeve. This prevents the latch jaw from closing and securing the trailer king pin.
What the fix does
Replace the pivot bolt and sleeve with a hex head shoulder bolt and washer.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
The fuel filter pre-heater can energize when the ignition is on, even during maintenance. If someone works on the fuel filter while the heater is energized, diesel fuel inside the filter housing could ignite and catch fire.
What the fix does
Dealers will inspect the fuel heater assembly and replace it if needed.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The locknut securing the steering shaft may lack its locking feature, allowing it to loosen. This can cause the steering shaft to separate, resulting in loss of steering control.
What the fix does
Dealers will replace the steering shaft pinch bolt and locknut.
Summarized — see the official notice for exact wording, dates, and contacts.
