EXTERIOR NOISE EMISSIONS
Check for proper operation of radiator shutters, if provided. Shutters should be open during normal
Engine and Driveline System:
Engine sump cover - Inspect for cracks, holes and visible signs of deterioration. Sump cover should be
mechanically isolated to be effective. Check for grounding. Maintain exact location of sump cover and
check sealing at edges.
Transmission enclosure - Inspect for cracks, holes and tears. Clean any deposits such as oil, dirt and
Throttle delay devices should be checked and, if necessary, adjust as per manufacturers'
Engine valve covers and block covers are made to damp out engine mechanical noise and, if needed to be
replaced, should be replaced by recommended parts. Check for mechanical isolations.
Inspect for leaks at various joint connections and tighten clamps. Make visual inspection for cracks or
holes in muffler and tailpipe. Always replace with manufacturer recommended parts. Tailpipe elbow
orientation must not be changed from standard position as originally received.