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NHTSA Campaign 81E001000

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Issued by ALLISON · Reported Dec 2, 1981 · 20,156 vehicles affected

What's wrong

IF EXCESS COMBUSTIBLE FLUIDS SUCH AS DIESEL FUEL OR LUBRICATION OIL BUILD UP IN THESE ENGINES, THE EXCESS FLUID CAN BE CARRIED INTO THE INTAKE SYSTEM THROUGH A VALVE.

Remedy

THE CRANKCASE DEPRESSION REGULATOR VALVE WILL BE REPLACED WITH A ROAD DRAFT TUBE. THIS REPAIR IS TO BE DONE AT THE SAME TIME AS THE REPAIR FOR CAMPAIGN 80C-4.

Vehicles affected by this recall

Make Model Year Units
ALLISON DIV ALLISON DIV 20,156

Source: NHTSA Campaign 81E001000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.