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     UPDATED: May 21, 2021                       CONTACT       
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Below is a modest collection of Volvo vacuum connection diagrams I have located or created from Volvo service manuals and other sources. 
I'm always looking for more diagrams to help our fellow Volvo owners who are having a tough time locating these. 

Additional vacuum diagrams can be found in my
Under Hood Vacuum Label Collection here.
 
If you can help supply more Volvo vacuum diagrams, please write me.
CONTACT
 


Click to enlarge images
  
240 B21E/F 1975-77


240 B21F 1976-77 Ver.1

240 B21F 1976-77 Ver.2

  

240 B21E/F 1976-78

240 B21F 1976-78

240 B21E/F 1978 and later


240 B21 E/F 1978-79

240 B21E-F 1979-82
(AC Idle Compensation)

240 B21E-F 1979-82
(AC Idle Compensation)

240 B21E-F 1979-82
(AC Idle Compensation)
240 B21-B23E/F unknown years


240 B21E/F 1980-84


240-260 B21A-F, B28 1980
(Charcoal Canister, Evap Control)

240 B21A manual 1980
(Evap Control)

240 B21A auto 1980
(Evap Control)


240 B21F 1980
(Evap Control)

240 B28F 1980
(Evap Control)



            
240 B21E 1981 and later


240 B21ET-FT 1981-83
(AC Idle Compensation)

240 B21F 1981 Idle Compensation
and Warm-up Valve


260 B28F 1981

260 B28F 1981 Ver 2


240 B21F Vacuum 1981-82


240 B21FT control pressure
regulator

240 B21FT manifold

240 B21FT manifold


240 B21ET 1984-85

240 B21ET, B21FT Cruise Control


240 B21F-FT thermostatic (wax) valve

240/740 B21/B23/B230 throttle
body & evap. charcoal canister.

240/740 B21/B23/B230 throttle
body & evap. charcoal canister detail.


240 vent control diagram 1981 and later

240 B23E (approx 1983)

B230K (Solex carb) 1987


240 B23F LH
Cruise Control

B230F 1985
Cruise Control

B230F 1986+
Cruise Control


B230F (unknown year) Cruise Control

B230 EGR Component Identification
S70/V70 (850) T5 1998



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