What engine does this vacuum hose routing diagram cover?

The decal states it applies to the 5.9L-4 engine (5.9 liter with 4-barrel carburetor).

What is the Chrysler part number of this vacuum routing decal?

The decal is labeled Vacuum Hose Routing Diagram 4405730.

What emissions components are shown in the diagram?

It shows the EGR valve, EGR amplifier, PHV/EGR solenoid, air pump with upstream/downstream air and air switch relief valve (ASRV), PCV valve, dual vapor canisters, thermal and electric bowl vent valves, T.I.D.C. valve, spark delay valve, trap door delay valve, heated air temp sensor, heated air diaphragm, and CVS5P valve.

What do the dashed lines in the diagram indicate?

Per the legend, dashed lines indicate optional vacuum-operated accessories.

Where do the vacuum lines to accessories route?

The diagram shows lines going to the cruise control, to the heater A/C control, to the air cleaner, and to the fuel tank (from the vapor canisters).

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Dodge 5.9L 4-BBL Vacuum Hose Routing Diagram - Chrysler Decal 4405730

Chrysler 5.9L V8 vacuum hose routing diagram label showing carburetor, EGR and emissions hoses

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Chrysler vacuum hose routing diagram label for a 5.9L V8 detailing carburetor, EGR valve and emissions vacuum lines.

AI caption September 2011 · Photo 161 of 653

This is a photograph of a factory Chrysler Corporation vacuum hose routing decal, part number 4405730, affixed under the hood (apparently on the underside of the hood or a panel) of a truck. The decal applies to the 5.9L-4 engine (5.9 liter with 4-barrel carburetor) and shows the complete emissions and vacuum hose routing. Components illustrated and labeled include the carburetor, PHV/EGR solenoid, ASRV solenoid and filter, distributor, heated air temperature sensor, EGR amplifier, EGR valve, breather cap, bleed, power heat valve (PHV), trap door delay valve, trap door, heated air diaphragm, bowl vent, power snorkel, PCV valve, T.I.D.C. valve, spark delay valve, air pump with upstream/downstream air routing, air switch relief valve (ASRV), CVS5P valve, dual vapor canisters with line to fuel tank, and thermal and electric bowl vent valves. Connections to the cruise control and heater/A-C control are indicated, and a dashed-line legend denotes optional vacuum-operated accessories. A reader can use this decal to verify or restore correct vacuum hose routing for the emissions system on this 5.9L 4-barrel Chrysler/Dodge engine. Portions of an adjacent jack/storage decal ('...STORAGE', '...WHEEL DRIVE') are also visible.

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Frequently asked questions

What engine does this vacuum hose routing diagram cover?: The decal states it applies to the 5.9L-4 engine (5.9 liter with 4-barrel carburetor).
What is the Chrysler part number of this vacuum routing decal?: The decal is labeled Vacuum Hose Routing Diagram 4405730.
What emissions components are shown in the diagram?: It shows the EGR valve, EGR amplifier, PHV/EGR solenoid, air pump with upstream/downstream air and air switch relief valve (ASRV), PCV valve, dual vapor canisters, thermal and electric bowl vent valves, T.I.D.C. valve, spark delay valve, trap door delay valve, heated air temp sensor, heated air diaphragm, and CVS5P valve.
What do the dashed lines in the diagram indicate?: Per the legend, dashed lines indicate optional vacuum-operated accessories.
Where do the vacuum lines to accessories route?: The diagram shows lines going to the cruise control, to the heater A/C control, to the air cleaner, and to the fuel tank (from the vapor canisters).