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Finnish Rebuilt Diesel Case: Coolant Entry Into the Crankcase Was Traced to a Wet-Liner Lower Seal Interface After Head and Oil-Cooler Checks Passed
2026-08-19
Finnish Rebuilt Diesel Case: Coolant Entry Into the Crankcase Was Traced to a Wet-Liner Lower Seal Interface After Head and Oil-Cooler Checks Passed Coolant Continued Entering the Oil After Common Leak Paths Were Excluded A rebuilt industrial diesel engine operating in Finland developed gradual ...
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Canadian Diesel Engine Case: Intermittent Oil-Pressure Fluctuation Was Traced to Pickup-Tube Movement After Pump and O-Ring Checks Passed
2026-08-19
Canadian Diesel Engine Case: Intermittent Oil-Pressure Fluctuation Was Traced to Pickup-Tube Movement After Pump and O-Ring Checks Passed The Lubrication System Looked Normal During Stationary Testing A commercial diesel engine in Canada developed intermittent oil-pressure fluctuation during a ...
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Polish Manual Diesel Case: Hot Gear-Selection Resistance Was Traced to Input-Shaft Bearing Drag After Clutch Release Was Verified
2026-08-19
Polish Manual Diesel Case: Hot Gear-Selection Resistance Was Traced to Input-Shaft Bearing Drag After Clutch Release Was Verified The Problem Became Worse Only After the Transmission Heated Up A manual commercial diesel vehicle operating in Poland shifted relatively normally when cold. After ...
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South African Heavy-Truck Case: Residual Pushrod Extension Was Traced to the Brake-Chamber Return Mechanism Despite Zero Air Pressure
2026-08-19
South African Heavy-Truck Case: Residual Pushrod Extension Was Traced to the Brake-Chamber Return Mechanism Despite Zero Air Pressure The Air Was Released but the Pushrod Stayed Partly Extended A heavy diesel truck operating in South African long-haul service developed brake drag at one wheel ...
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Australian Heavy-Truck Case: Rear-Axle Position Continued to Shift Despite Secure U-Bolts Until the Leaf-Spring Center Location Was Checked
2026-08-19
Australian Heavy-Truck Case: Rear-Axle Position Continued to Shift Despite Secure U-Bolts Until the Leaf-Spring Center Location Was Checked Application Background A heavy diesel truck operating in Australian mining haulage repeatedly developed rear-axle alignment changes after returning to rough...
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South Korean Cab-Over Truck Case: Steering Bind After Cab Service Was Traced to a Telescopic Steering-Shaft Spline
2026-08-19
South Korean Cab-Over Truck Case: Steering Bind After Cab Service Was Traced to a Telescopic Steering-Shaft Spline The Steering Problem Started After Cab Work A cab-over commercial diesel truck in South Korea developed steering bind after service that required tilting and repositioning the cab. ...
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Spanish Tracked-Equipment Case: Hot Final-Drive Leakage Was Traced to Floating-Seal Face Loading After Gear and Bearing Checks Passed
2026-08-19
Spanish Tracked-Equipment Case: Hot Final-Drive Leakage Was Traced to Floating-Seal Face Loading After Gear and Bearing Checks Passed The Final Drive Stayed Dry During Static Inspection A tracked construction machine operating in Spain developed gear-oil leakage around the final-drive hub only after ...
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Canadian Diesel Engine Case: Belt Tracking Shifted Only Under Accessory Load Until Mounting-Bracket Deflection Was Identif
2026-08-19
Canadian Diesel Engine Case: Belt Tracking Shifted Only Under Accessory Load Until Mounting-Bracket Deflection Was Identified Static Pulley Alignment Looked Correct A commercial diesel engine in Canada developed repeated serpentine-belt tracking problems. Inspection showed: correct belt specificatio...
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Brazilian Diesel Fleet Case: DPF Rattle Was Traced to Substrate Retention Rather Than Exhaust Restriction
2026-08-19
Brazilian Diesel Fleet Case: DPF Rattle Was Traced to Substrate Retention Rather Than Exhaust Restriction The Aftertreatment System Made Noise Without Showing a Flow Restriction A commercial diesel vehicle operating on rough regional roads in Brazil developed a metallic or ceramic-like rattle from ...
Cases
