GM Cavalier/Sunbird/Skyhawk/Firenza 1982-1994

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 53





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Fig. Fig. 1: 1983 2.0L (VIN P) engine with manual transaxle - Federal

 


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Fig. Fig. 2: 1983 2.0L (VIN P) engine with manual transaxle and cruise control

 


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Fig. Fig. 3: 1983 2.0L (VIN P) engine with automatic transaxle and without cruise control

 


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Fig. Fig. 4: 1983 2.0L (VIN P) engine with manual transaxle and without cruise control

 


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Fig. Fig. 5: 1984 1.8L (VIN O) engine without cruise control - California

 


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Fig. Fig. 6: 1984 1.8L (VIN J) engine - Federal

 


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Fig. Fig. 7: 1984 1.8L (VIN J) engine - California

 


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Fig. Fig. 8: 1984-86 2.0L (VIN P) engine - Federal

 


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Fig. Fig. 9: 1984-86 2.0L (VIN P) engine - California

 


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Fig. Fig. 10: 1984 1.8L (VIN O) engine - Federal

 


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Fig. Fig. 11: 1984 2.0L (VIN B) engine with 2bbl carburetor and manual transaxle - Canada

 


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Fig. Fig. 12: 1984 2.0L (VIN B) engine with 2bbl carburetor and automatic transaxle - Canada

 


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Fig. Fig. 13: 1987 2.0L OHC engine - Except Turbo

 


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Fig. Fig. 14: 1987 2.0L OHC Turbo engine

 


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Fig. Fig. 15: 1987 2.0L OHV engine

 


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Fig. Fig. 16: 1987 2.8L (VIN W) engine with manual transaxle

 


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Fig. Fig. 17: 1987 2.8L (VIN W) engine with manual transaxle

 


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Fig. Fig. 18: 1988 2.0L OHC engine - Except Turbo

 


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Fig. Fig. 19: 1988 2.0L OHC Turbo engine

 


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Fig. Fig. 20: 1988 2.0L OHV engine

 


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Fig. Fig. 21: 1988 2.8L (VIN W) engine

 


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Fig. Fig. 22: 1989 2.0L OHV engine

 


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Fig. Fig. 23: 1989 2.0L OHC engine - Except Turbo

 


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Fig. Fig. 24: 1988 2.0L OHC Turbo engine

 


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Fig. Fig. 25: 1989 2.8L (VIN W) engine

 


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Fig. Fig. 26: 1990 2.2L OHV engine

 


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Fig. Fig. 27: 1990 2.0L OHC engine - Except Turbo

 


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Fig. Fig. 28: 1990 2.0L OHC Turbo engine

 


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Fig. Fig. 29: 1990 3.1L (VIN T) engine

 


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Fig. Fig. 30: 1991 2.2L OHV engine

 


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Fig. Fig. 31: 1992 2.0L (VIN H) engine - Federal

 


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Fig. Fig. 32: 1992 2.2L (VIN 4) engine - Federal

 


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Fig. Fig. 33: 1992 2.2L (VIN 4) engine - California

 


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Fig. Fig. 34: 1992 3.1L (VIN T) engine - Federal

 


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Fig. Fig. 35: 1992 3.1L (VIN T) engine - California

 


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Fig. Fig. 36: 1993 2.0L (VIN H) engine - Federal

 


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Fig. Fig. 37: 1993 2.0L (VIN H) engine - California

 


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Fig. Fig. 38: 1993 2.2L (VIN 4) engine - Federal

 


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Fig. Fig. 39: 1993 2.2L (VIN 4) engine - California

 


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Fig. Fig. 40: 1993 3.1L (VIN T) engine - Federal

 


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Fig. Fig. 41: 1993 3.1L (VIN T) engine - California

 


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Fig. Fig. 42: 1993 3.1L (VIN T) engine - California alternate

 


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Fig. Fig. 43: 1993 3.1L (VIN T) engine - Federal alternate

 


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Fig. Fig. 44: 1994 2.0L (VIN H) engine - Federal with manual transaxle

 


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Fig. Fig. 45: 1994 2.0L (VIN H) engine - Federal and California

 


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Fig. Fig. 46: 1994 2.0L (VIN H) engine with automatic transaxle

 


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Fig. Fig. 47: 1994 2.2L (VIN 4) engine

 


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Fig. Fig. 48: 1994 2.2L (VIN 4) engine with manual transaxle

 


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Fig. Fig. 49: 1994 2.2L (VIN 4) engine with automatic transaxle

 


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Fig. Fig. 50: 1994 2.2L (VIN 4) engine - California

 


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Fig. Fig. 51: 1994 2.2L (VIN 4) engine - Federal

 


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Fig. Fig. 52: 1994 3.1L (VIN T) engine - Federal

 


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Fig. Fig. 53: 1994 3.1L (VIN T) engine - California

 

 
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