GM Lumina/Grand Prix/Cutlass Supreme/Regal 1988-1996

VACUUM DIAGRAMS

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Following is a listing of vacuum diagrams for many of the engine and emissions package combinations covered by this manual. Because vacuum circuits will vary based on various engine and vehicle options, always refer first to the vehicle emission control information label. Should the label be missing, or should the vehicle be equipped with a different engine from the original equipment, refer to the diagrams below for the same or similar configuration.

See Figures 1 through 46





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Fig. Fig. 1: 1988-89 2.8L (VIN W) Engine

 


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Fig. Fig. 2: 1990 2.3L (HAC) Engine-Federal

 


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Fig. Fig. 3: 1990 2.3L (HAB) Engine-California

 


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Fig. Fig. 4: 1990 2.3L (HAJ) Engine-California

 


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Fig. Fig. 5: 1990 2.5L (FJC) Engine-Federal

 


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Fig. Fig. 6: 1990 2.5L (FHZ) Engine-California

 


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Fig. Fig. 7: 1990 2.5L (FJD) Engine-California

 


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Fig. Fig. 8: 1990 3.1L (FAF) Engine-Federal

 


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Fig. Fig. 9: 1990 3.1L (FJF) Engine-Federal

 


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Fig. Fig. 10: 1990 3.1L (FJH) Engine-Federal

 


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Fig. Fig. 11: 1990 3.1L (FJJ) Engine-Federal

 


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Fig. Fig. 12: 1990 3.1L (FJK) Engine-Federal

 


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Fig. Fig. 13: 1990 3.1L (FJX) Engine-Federal

 


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Fig. Fig. 14: 1990 3.1L (FMA) Engine-Federal

 


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Fig. Fig. 15: 1990 3.1L (FJL) Engine-California

 


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Fig. Fig. 16: 1990 3.1L (FJM) Engine-California

 


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Fig. Fig. 17: 1990 3.1L (FJN) Engine-California

 


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Fig. Fig. 18: 1990 3.1L (FJP) Engine-California

 


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Fig. Fig. 19: 1990 3.1L (FMB) Engine-California

 


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Fig. Fig. 20: 1990 3.1L (FJY) Engine-Federal and California

 


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Fig. Fig. 21: 1991 2.5L (LBC) Engine-Federal

 


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Fig. Fig. 22: 1991 2.5L (LBB) Engine-California

 


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Fig. Fig. 23: 1991 2.5L (LBD) Engine-California

 


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Fig. Fig. 24: 1991 3.4L (LLB) Engine-California

 


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Fig. Fig. 25: 1991-93 3.4L Engine-Federal with automatic transaxles

 


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Fig. Fig. 26: 1991-93 3.4L Engine-Federal with manual transaxles

 


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Fig. Fig. 27: 1991-93 3.4L Engine-California with automatic transaxles

 


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Fig. Fig. 28: 1991-93 3.4L Engine-California with manual transaxles

 


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Fig. Fig. 29: 1991 3.8L (JCA) Engine-Federal

 


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Fig. Fig. 30: 1991 3.8L (JLE) Engine-Federal

 


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Fig. Fig. 31: 1991 3.8L (JLL) Engine-California

 


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Fig. Fig. 32: 1992 2.5L Engine

 


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Fig. Fig. 33: 1992-93 3.1L (VIN T) Engine

 


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Fig. Fig. 34: 1992-93 3.8L (VIN L) Engine

 


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Fig. Fig. 35: 1992-93 3.8L (VIN L) Engine, continued

 


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Fig. Fig. 36: 1993 2.2L (VIN 4) Engine

 


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Fig. Fig. 37: 1994 3.1L (VIN T) Engine

 


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Fig. Fig. 38: 1994 3.1L (VIN M) Engine

 


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Fig. Fig. 39: 1994 3.4L (VIN X) Engine

 


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Fig. Fig. 40: 1994 3.8L (VIN L) Engine

 


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Fig. Fig. 41: 1995 3.1L (VIN M) Engine

 


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Fig. Fig. 42: 1995 3.4L (VIN X) Engine

 


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Fig. Fig. 43: 1995 3.8L (VIN L) Engine

 


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Fig. Fig. 44: 1996 3.1L (VIN M) Engine

 


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Fig. Fig. 45: 1996 3.4L (VIN X) Engine

 


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Fig. Fig. 46: 1996 3.8L (VIN K) Engine

 

 
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