Chrysler Full-Size Trucks 1967-1988 Repair Guide

VACUUM DIAGRAMS

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Following is a listing of vacuum diagrams for most of the engine and emissions package combinations covered by this information. Because vacuum circuits will vary based on various engine and vehicle options, always refer first to the vehicle emission control information label, if present. Should the label be missing, or should the vehicle be equipped with an engine other than the original, refer to the following diagrams for the same or similar configuration.

If you wish to obtain a replacement emissions label, most manufacturers make the labels available for purchase. The labels can usually be ordered from a local dealer.

See Figures 1 through 54



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Fig. Fig. 1: Early 225 with 1-bbl carburetor-Federal and Canada



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Fig. Fig. 2: Early 225 with 2-bbl carburetor-California



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Fig. Fig. 3: Early 318 with 2-bbl carburetor-Federal and Canada



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Fig. Fig. 4: Early 318 with 4-bbl carburetor-California and Canada



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Fig. Fig. 5: Early 360 with 4-bbl carburetor-California



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Fig. Fig. 6: Early 360 with 4-bbl carburetor-Federal and Canada



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Fig. Fig. 7: Early 360 with 2-bbl carburetor-Federal



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Fig. Fig. 8: Early 360 with 4-bbl carburetor-Federal, California and Canada



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Fig. Fig. 9: Early 440 with 4-bbl carburetor-Federal, California and Canada



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Fig. Fig. 10: 1984 225 equipped with automatic transmission and ESA with catalyst-Federal



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Fig. Fig. 11: 1984 225 equipped with manual transmission and ESA with catalyst-Federal



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Fig. Fig. 12: 1984 225-California



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Fig. Fig. 13: 1984 225 with ESA and catalyst-Canada



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Fig. Fig. 14: 1984 318 High Altitude-California



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Fig. Fig. 15: 1984 318 equipped with manual transmission and catalyst; no ESA-Federal and Canada



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Fig. Fig. 16: 1984 318 equipped with automatic transmission and catalyst; no ESA-Canada



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Fig. Fig. 17: 1984 318 heavy duty, equipped with manual transmission-Canada



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Fig. Fig. 18: 1984 318 heavy duty, equipped with automatic transmission-Canada



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Fig. Fig. 19: 1984 360 heavy duty-Canada



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Fig. Fig. 20: 1984 360 with catalyst; no ESA-Federal



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Fig. Fig. 21: 1984 360 High Altitude, equipped with automatic transmission and catalyst-Federal



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Fig. Fig. 22: 1984 360 heavy duty-Federal



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Fig. Fig. 23: 1984 360 heavy duty-California



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Fig. Fig. 24: 1985 225-Federal



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Fig. Fig. 25: 1985 225-California



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Fig. Fig. 26: 1985 225-Canada



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Fig. Fig. 27: 1985 318 equipped with manual transmission and catalyst; no ESA-Federal and Canada



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Fig. Fig. 28: 1985 318 heavy duty; no catalyst or ESA-Canada



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Fig. Fig. 29: 1985 318 High Altitude-California



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Fig. Fig. 30: 1985 318 with automatic aspirator and catalyst; no ESA-Canada



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Fig. Fig. 31: 1985 360 High Altitude-Federal



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Fig. Fig. 32: 1985 360 with catalyst; no ESA-Federal



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Fig. Fig. 33: 1985 360 heavy duty; no catalyst or ESA-Federal and Canada



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Fig. Fig. 34: 1985 360 heavy duty-California



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Fig. Fig. 35: 1986 225 with ESA and catalyst-Federal



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Fig. Fig. 36: 1986 225 with ESA and catalyst-Canada



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Fig. Fig. 37: 1986 225-California



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Fig. Fig. 38: 1986 318 with ESA and catalyst-Federal and Canada



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Fig. Fig. 39: 1986 318 High Altitude-California



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Fig. Fig. 40: 1986 318 without ESA or catalyst-Canada



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Fig. Fig. 41: 1986 318 with ESA, catalyst and aspirator-Canada



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Fig. Fig. 42: 1986 360 with catalyst; no ESA-Federal



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Fig. Fig. 43: 1986 360 High Altitude-Federal



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Fig. Fig. 44: 1986 360 with air conditioning-California



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Fig. Fig. 45: 1986 360 without ESA or catalyst-Federal



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Fig. Fig. 46: 1986 360 without air conditioning-California



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Fig. Fig. 47: 1986 360 with air conditioning; no ESA or catalyst-Canada



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Fig. Fig. 48: 1986 360 without air conditioning, ESA or catalyst-Canada



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Fig. Fig. 49: 1988 238-all applications



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Fig. Fig. 50: 1988 318-all applications



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Fig. Fig. 51: 1988 360 light duty-Federal and Canada



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Fig. Fig. 52: 1988 360-California



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Fig. Fig. 53: 1988 360 heavy duty-Federal



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Fig. Fig. 54: 1988 360 heavy duty-Canada

 
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