3.7L-1V, 5.2L-2V & 2.9L-4V Federal Altitude Emission
3.7L-1V FEDERALALTITUDE EMISSIONS PACKAGE PN 4411984
Contains the following parts:
PART
ITEM QTY. NUMBER
Main Metering Jet 1 3685809
VECI Update Label 1 4275084
FIGURE 12:
REPAIR PROCEDURE
A. Remove main metering jet and install new jet, PN 3685809 (Figure 12).
B. Set new idle specification as follows:
MANUAL AUTOMATIC
Curb Idle 750 775
Propane Speed 775 800
SIS 850 875
C. Type "This vehicle has been modified with Altitude Emissions Package PN 4411984" and appropriate new specifications on the VECI Update Label.
D. Affix VECI Update Label, PN 4275084, near original VECI label.
5.2L-2V FEDERAL
ALTITUDE EMISSIONS PACKAGE PN 4411986
Contains the following parts:
PART
ITEM QTY. NUMBER
Primary Main Jet (#247) 1 4271983
VECI Update Label 1 4275084
FIGURE 13:
REPAIR PROCEDURE
A. Remove primary main jets and install new jets #247, PN 4271983 (Figure 13). Turn vacuum power valve one turn CCW (lean).
B. Reset choke specifications as follows:
Choke Vacuum Kick .150"
Choke Unloader .280"
Fast Idle Cam Position .070"
C. Set new idle specifications as follows:
Propane Speed 770 RPM
A/C Kicker RPM 850 RPM (with compressor
clutch disabled)
Fast Idle 1600 RPM (Step 2 of the cam)
D. Type "This vehicle has been modified with Altitude Emissions Package PN 4411986" and the appropriate new specifications on the VECI Update Label.
E. Affix VECI Update Label, PN 4275084, near original VECI label.
5.2L-2V CALIFORNIA
ALTITUDE EMISSIONS PACKAGE PN 4411987
Contains the following parts:
PART
ITEM QTY. NUMBER
Carburetor 1 4324632
EGR Valve 1 4287658
ESA Module 1 4419356
VECI Update Label 1 4275084
REPAIR PROCEDURE
A. Install the above listed parts.
B. Check idle specifications and correct as required. (Set timing at 650 RPM, fast idle to 1400 on Step 2 of the cam).
C. Set propane RPM to 710.
D. Type "This vehicle has been modified with Altitude Emissions Package PN 4411987" and the appropriate new specifications on the VECI Update Label.
E. Affix VECI Update Label, PN 4275084, near original VECI label.
5.9L-4V FEDERAL
ALTITUDE EMISSIONS PACKAGE PN 4411988
Contains the following parts:
PART
ITEM QTY. NUMBER
Carburetor 1 4342807
VECI Update Label 1 4275084
REPAIR PROCEDURE
A. Remove original carburetor and install new carburetor, PN 4342807.
B. Set idle speeds to the following specifications:
MANUAL AUTOMATIC
Curb Idle 750 RPM 710 RPM
Propane Speed 750 RPM 710 RPM
Fast Idle 1600 RPM 1600 RPM
(Step 2 of the cam) (Step 2 of the cam)
SIS 750 RPM 810 RPM
C. Type "This vehicle has been modified with Altitude Emissions Package PN 4419188" and the appropriate new specifications on the VECI Update Label.
D. Affix VECI Update Label, PN 4275084, near original VECI label.