volvo — Volvo VN VHD Operator's Manual Maintenance Service

98 Maintenance Turbo and Charge Air Cooler General WARNING DO NOT remove, attach or tighten turbocharger air intake ducting while the engine is operating, or operate the engine while the ducting is removed. Working around the turbo with the ducting removed may cause severe personal injury. Visually inspect turbo mountings, intake and exhaust ducting and connections for leaks on a daily basis. Check oil inlet and outlet for leaks or signs of restrictions to oil flow. Check for unusual noise or vibration. If any faults are detected, do not operate the engine until the cause is determined and repaired.

DANGER If oil leaks internally from the turbocharger to the engine intake, the oil acts as a fuel. Watch for excessive exhaust smoke. DO NOT operate engine until problem is corrected. There is no way to regulate the engine speed if it runs on oil and it may over speed. Loss of control of vehicle may lead to an accident causing severe personal injury or death. Periodically inspect the front of the radiator/charge-air-cooler package for buildup of dirt, mud, insects, etc. Over time, there may be a build-up of dirt, mud, insects, etc., between the radiator and charge-air-cooler. Inspect for build-up and remove the cooler package to clean, if necessary.