On certain trucks equipped with bando belt tensioner, corrosion or rust may develop on the tensioner spindle or bushing causing the auto tensioner to become stiff or bind. This can cause the drive belt to suddenly come off, or the auto tensioner mounting...
Engine & cooling
UD UD3300 Engine problems by year
1 complaints filed with NHTSA about the UD UD3300's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
Engine recalls
On certain trucks equipped with bando belt tensioner, corrosion or rust may develop on the tensioner spindle or bushing causing the auto tensioner to become stiff or bind. This can cause the drive belt to suddenly come off, or the auto tensioner mounting...
On certain medium duty trucks, the exhaust pipe may break at the exhaust brake mounting flange.
Latest UD3300 engine complaints
Tl* the contact owns a 2006 ud ud3300 truck. The contact stated that the headlights failed. The contact inspected the headlights and found that the wires and the bulb plastic covering were melted. In addition, the headlight harness needed to be replaced. The harness was not replaced. The coolant system reservoir also failed, which prevented the coolant from returning to the reservoir to keep the engine cool. The contact replaced the reservoir hose and was able to temporarily remedy the failure. The manufacturer was not notified. The vin was not available. The failure mileage was 402,000.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data