2004 Unimog U500 Problems: 0 Complaints, 3 Recalls

The worst 2004 Unimog U500 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Power train: automatic transmissionReported November 30, 2006 · 80 vehicles affected

What is wrong: On certain trucks equipped with the eas transmission option, a programming logic error in the transmission automatic shift system may prevent the vehicle's clutch from disengaging when the vehicle is operated in working group or crawler gear range (low-low range).
Risk: The brake system is not capable of overcoming the engine torque transmitted to the wheel ends when the vehicle is operated in working group or crawler gear range. If the clutch fails to disengage the engine must be shut-down in order to bring the vehicle to a stop potentially resulting in a vehicle crash or personal injury.
Remedy: Dealers will modify the automatic shift system to provide reduced engine torque when the brakes are applied while the vehicle is operated in working group or crawler gear range. The gear shift electronic control unit will be replaced and two relays will be added. The recall began on march 28, 2007. Owners may contact freightliner at 1‑800‑547‑0712.

Recall number 06V457000 · Recall details

Power train: clutch assemblyReported July 3, 2006 · 54 vehicles affected

What is wrong: On certain trucks equipped with automatic shift, air may leak into the clutch hydraulic system at the central release bearing seal preventing the clutch from opening completely and potentially preventing the transmission from shifting into neutral.
Risk: Failure of the clutch to open completely or the transmission to shift into neutral could make the vehicle difficulty to bring to a complete stop or cause the vehicle to roll forward while stopped increasing the risk of a crash.
Remedy: Dealers will replace the central release bearing and update the clutch actuation electronic control unit (ecu) software free of charge. The recall began on august 24, 2006. Owners may contact freightliner at 1‑800‑547‑0712.

Recall number 06V237000 · Recall details

TiresReported November 8, 2004 · 45 vehicles affected

What is wrong: On certain trucks equipped with michelin 365/85 r20 tires, the tires may not be compatible with the maximum load and maximum speed ratings.
Risk: Vehicle over-loading and tire under-inflation will result in vehicle rollover and injury to occupant.
Remedy: Dealers will replace the tires with michelin 395/85 r20, and an updated gross axle weight ratings (gawr) certification label will be affixed to the vehicle. The recall began on december 3, 2004. Owners should contact freightliner at 1‑800‑547‑0712.

Recall number 04V537000 · Recall details

Is the 2004 Unimog U500 reliable?

Owners have filed 0 complaints about the 2004 Unimog U500.

What is the most common problem with the 2004 Unimog U500?

There are not enough complaints to tell.

How many recalls does the 2004 Unimog U500 have?

3 recalls, covering power train and tires.

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