2011 Ford F450 Super Duty Crew Cab Diesel Supplement 5th Printing - Page 19

2011 Ford F450 Super Duty Crew Cab Manual

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Page 19 highlights

Cleaning EXHAUST The visible holes in each leg of the twin tip and the holes under the shield just inboard of the right rear tire(s) are functional. The holes need to be kept clear of mud/debris or foreign material to maintain proper function of the exhaust system. Clean and remove debris or foreign material if present as needed. Spraying with a hose during regular washing of vehicle should help keep holes clean and clear of debris or foreign material. WARNING: Failure to maintain the functional holes, in the tailpipe section of the exhaust, clean and free of debris or foreign material may result in the holes becoming blocked or plugged. Do not modify or remove the tail-pipe section. Blocked or plugged holes or removal/modification of the system could result in elevated exhaust gas temperatures which may result in vehicle/property damage or personal injury WARNING: The normal operating temperature of the exhaust system is very high. Never work around or attempt to repair any part of the exhaust system until it has cooled. Use special care when working around the diesel oxidation catalytic converter and/or the diesel particulate filter (DPF). The diesel oxidation catalytic converter and/or the DPF heats up to a high temperature after only a short period of engine operation and can stay hot even after the engine is turned off. Failure to follow these instructions may result in personal injury. 19 2011 Diesel (eco) Supplement, 5th Printing USA (fus)

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EXHAUST
The visible holes in each leg of the twin tip and the holes under the shield
just inboard of the right rear tire(s) are functional. The holes need to be
kept clear of mud/debris or foreign material to maintain proper function of
the exhaust system. Clean and remove debris or foreign material if present
as needed. Spraying with a hose during regular washing of vehicle should
help keep holes clean and clear of debris or foreign material.
WARNING:
Failure to maintain the functional holes, in the
tailpipe section of the exhaust, clean and free of debris or
foreign material may result in the holes becoming blocked or plugged.
Do not modify or remove the tail-pipe section. Blocked or plugged
holes or removal/modification of the system could result in elevated
exhaust gas temperatures which may result in vehicle/property damage
or personal injury
WARNING:
The normal operating temperature of the exhaust
system is very high. Never work around or attempt to repair any
part of the exhaust system until it has cooled. Use special care when
working around the diesel oxidation catalytic converter and/or the diesel
particulate filter (DPF). The diesel oxidation catalytic converter and/or
the DPF heats up to a high temperature after only a short period of
engine operation and can stay hot even after the engine is turned off.
Failure to follow these instructions may result in personal injury.
Cleaning
19
2011 Diesel
(eco)
Supplement, 5th Printing
USA
(fus)