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A failed swing parking brake solenoid and contaminated hydraulic tank breather caused delayed brake release and cavitation
A cracked main control valve housing and worn cylinder piston seals caused simultaneous pressure loss and load drop
A seized vacuum pump and cracked brake booster diaphragm caused excessive engine drag and loss of braking assist
A stuck-open EGR valve caused unburnt fuel to recirculate, suffocating the engine under heavy load
Worn feedback spool in the priority flow control valve caused insufficient pilot oil pressure to the steering metering unit
Worn tilt cylinder mount bushings and air in the hydraulic system caused mechanical play and spongy steering response
A clogged air filter and a failed turbocharger wastegate actuator caused the engine to run rich and lose power under load
A stuck load-sensing compensator valve in the main hydraulic pump caused the system to default to low-flow standby mode
Worn orbital motor couplings and a failed steer axle pivot bearing caused excessive play and grinding noise
A sheared timing gear key and blocked fuel tank breather caused RPM droop and loss of power during simultaneous operations
