B350 1 Ton Van V8-360 5.9L VIN W (1985)
FIGURE 10 - Main Metering Jet Location
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Remove existing main metering jet (Figure 10).
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Install #611 main metering jet PN 3837520.
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Reinstall air horn with new air horn gasket PN 4267140.
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Drill out concealment plug and prepare carburetor for propane idle set.
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Per instructions in appropriate service manual, perform a propane idle set. Reset the propane/curb idle speeds to 775/750 for manuals and 800/775
for automatics.
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Reset HFI to 1600 on Step 2.
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Reset choke vacuum kick to 0.120".
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Reset idle solenoid speed to 850 rpm (manual transmission) or 875 (automatic transmission).
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Type in changes made on Emission Update Label and affix in engine compartment next to VECI label.
1985 5.2L-2V Light Duty Trucks All Models With "50 States" Emissions Packages
Consisting of:
1 -
Carburetor
PN 4306453
1 -
EGR Valve
PN 4094891
1 -
EGR Valve Gasket
PN 4287938
1 -
Carburetor Gasket
PN 4095970
INSTRUCTIONS
Using procedures as outlined in the appropriate service manual, perform the following:
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Remove existing carburetor.
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Install replacement carburetor PN 4306453 and gasket.
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Remove EGR valve and scrape off old gasket material.
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Install replacement EGR valve PN 4094891 and new gasket PN 4287938.
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Start engine and check for leaks.
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Check and reset if necessary, curb idle, fast idle to VECI label specifications.
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Type in changes made on Emission Update Label and affix to engine compartment next to VECI label.
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The high altitude adjustments are now complete.