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Old 02-22-2012, 12:19 PM   #1
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Default 1983 F150 4WD 5.0L 2BL 8cyl Vacuum/Emission Diagram

Hi Everyone,

I'm having a difficult time trying to figure out the vacuum/emissions diagram (i.e. dotted lines, solid lines, different colors, acronyms etc..) on my 83 f150. Does anyone have a better diagram and/or pictures? Could you point me in the right direction?

Your feedback is greatly appreciated!
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1983 F150 4WD 5.0L 2BL 8cyl Vacuum/Emission Diagram-vacuum-diagram.jpg  
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Old 02-22-2012, 06:01 PM   #2
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Quote:
Originally Posted by 83fordf150 View Post
Hi Everyone,

I'm having a difficult time trying to figure out the vacuum/emissions diagram (i.e. dotted lines, solid lines, different colors, acronyms etc..) on my 83 f150. Does anyone have a better diagram and/or pictures? Could you point me in the right direction?

Your feedback is greatly appreciated!
Hope this helps. This is by no means a complete list.

VACUUM DIAGRAM ACRONYMS

A/CL: Located in the air cleaner
A/CL DV: Air Cleaner Diverter Valve
A/CL BI MET: Air Cleaner Bi-Metallic Valve
A/CL CWM: Air Cleaner Cold Weather Modulator
ACV: Air Control Valve
AIR: Ford calls this the Thermactor, short for Thermal Reactor. CA vehicles are installed with it as standard. Air Injection Reaction is what it stands for.
AIR BPV: Air Bypass Valve (aka Thermactor Air Bypass TAB)
BV: Bowl Vent (on top of the float tanks)
CARB: Carburetor
CPRV: Canister Purge Valve
DIST:
EGR: Exhaust Gas Recirculator
EFCA:
FLTR: Filter
FPR: Fuel Pressure Regulator
IVV: Thermactor Idle Vacuum Valve
MAN VAC: Indicating Manifold vacuum-Vacuum source
MAP: Manifold Absolute Pressure
SOLV: Solenoid Valve
SV-CBV: Carburetor Fuel Bowl Solenoid Vent Valve
VAC:
VCKV: Vacuum Check Valve
VRESER: Vacuum Reservoir Solenoid Valve
VRV:
V CK V: Vacuum Check Valve
VRDV: Distributor Retard Delay Valve
TVS: Throttle Valve Solenoid (aka Solepot, Dashpot)
TVV: Thermostatic Vacuum Valve (aka Ported Vacuum Switches)
PURGE CV: Vapor Canister Purge Valve



Color Codes to do Vacuum Diagram
Red = Main vacuum
Green = EGR function
Orange = Heat control Valve (exhaust & intake) (AKA heat riser but more complex)
Yellow = Distributor advance
White = EGR vacuum (source)
Black Broken= Mainly used for the Evaporative emissions control
Black = Thermactor ACV or Diverter valve
Blue = Throttle Kicker control
Pink = Thermactor Air Bypass Valve (BPV)

This is what I have come up with so far. Does any one know what a VRV is? Or how about an EFCA is? I'm still searching.
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"Some people spend a lifetime wondering if they've made a difference, Marines don't have that problem." President Ronald Regan 1985
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Old 02-23-2012, 10:08 AM   #3
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I put this list together last night. Note the VRV and EFCA acronyms... There's also a good website which helps out with automotive terms. Check it out... http://www.motorera.com/dictionary/index.htm


A/CL: Located in the air cleaner
A/CL DV: Air Cleaner Diverter Valve
A/CL BI MET: Air Cleaner Bi-Metallic Valve
A/CL CWM: Air Cleaner Cold Weather Modulator
ACV: Air Control Valve
AIR: Ford calls this the Thermactor, short for Thermal Reactor. CA vehicles are installed with it as standard. Air Injection Reaction is what it stands for.
AIR BPV: Air Bypass Valve (aka Thermactor Air Bypass TAB)
BV: Bowl Vent (on top of the float tanks)
CARB: Carburetor
CPRV: Canister Purge Valve
DIST:
EGR: Exhaust Gas Recirculator
EFCA: Electronic Fuel Control Assembly
EXH HCV: Exhaust Heat Control Valve
FLTR: Filter
FPR: Fuel Pressure Regulator
IVV: Thermactor Idle Vacuum Valve
INT HCV: Heat Vacuum Control Valve Intake
MAN VAC: Indicating Manifold vacuum-Vacuum source
MAP: Manifold Absolute Pressure
PURGE CV: Vapor Canister Purge Valve
SOLV: Solenoid Valve
SV-CBV: Carburetor Fuel Bowl Solenoid Vent Valve
VAC:
VCKV: Vacuum Check Valve
V REST: Vapor Valve
VRESER: Vacuum Reservoir Solenoid Valve
VRV: Vacuum Regulator Valve
V CK V: Vacuum Check Valve
VCV: Vacuum Control Valve
VRDV: Distributor Retard Delay Valve
SA-FV: Separator Assembly Fuel/Vacuum
TVS: Throttle Valve Solenoid (aka Solepot, Dashpot)
TVV: Thermostatic Vacuum Valve (aka Ported Vacuum Switches)
PV: Pressure Vacuum
TCP:
Temperature Compensated Pump

Color Codes to do Vacuum Diagram
Red = Main vacuum
Green = EGR function
Orange = Heat control Valve (exhaust & intake) (AKA heat riser but more complex)
Yellow = Distributor advance
White = EGR vacuum (source)
Black = Mainly used for the Evaporative emissions control
Black = Thermactor ACV or Diverter valve
Blue = Throttle Kicker control
Pink = Thermactor Air Bypass Valve (BPV)

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Old 02-23-2012, 10:09 AM   #4
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I'm still having a hard time trying to figure out what "T" means on the carb?
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Old 02-23-2012, 10:57 AM   #5
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Quote:
Originally Posted by 83fordf150 View Post
I put this list together last night. Note the VRV and EFCA acronyms... There's also a good website which helps out with automotive terms. Check it out... http://www.motorera.com/dictionary/index.htm


A/CL: Located in the air cleaner
A/CL DV: Air Cleaner Diverter Valve
A/CL BI MET: Air Cleaner Bi-Metallic Valve
A/CL CWM: Air Cleaner Cold Weather Modulator
ACV: Air Control Valve
AIR: Ford calls this the Thermactor, short for Thermal Reactor. CA vehicles are installed with it as standard. Air Injection Reaction is what it stands for.
AIR BPV: Air Bypass Valve (aka Thermactor Air Bypass TAB)
BV: Bowl Vent (on top of the float tanks)
CARB: Carburetor
CPRV: Canister Purge Valve
DIST:
EGR: Exhaust Gas Recirculator
EFCA: Electronic Fuel Control Assembly
EXH HCV: Exhaust Heat Control Valve
FLTR: Filter
FPR: Fuel Pressure Regulator
IVV: Thermactor Idle Vacuum Valve
INT HCV: Heat Vacuum Control Valve Intake
MAN VAC: Indicating Manifold vacuum-Vacuum source
MAP: Manifold Absolute Pressure
PURGE CV: Vapor Canister Purge Valve
SOLV: Solenoid Valve
SV-CBV: Carburetor Fuel Bowl Solenoid Vent Valve
VAC:
VCKV: Vacuum Check Valve
V REST: Vapor Valve
VRESER: Vacuum Reservoir Solenoid Valve
VRV: Vacuum Regulator Valve
V CK V: Vacuum Check Valve
VCV: Vacuum Control Valve
VRDV: Distributor Retard Delay Valve
SA-FV: Separator Assembly Fuel/Vacuum
TVS: Throttle Valve Solenoid (aka Solepot, Dashpot)
TVV: Thermostatic Vacuum Valve (aka Ported Vacuum Switches)
PV: Pressure Vacuum
TCP:
Temperature Compensated Pump

Color Codes to do Vacuum Diagram
Red = Main vacuum
Green = EGR function
Orange = Heat control Valve (exhaust & intake) (AKA heat riser but more complex)
Yellow = Distributor advance
White = EGR vacuum (source)
Black = Mainly used for the Evaporative emissions control
Black = Thermactor ACV or Diverter valve
Blue = Throttle Kicker control
Pink = Thermactor Air Bypass Valve (BPV)
Your list is more complete than mine. Thanks for the link

Quote:
Originally Posted by 83fordf150 View Post
I'm still having a hard time trying to figure out what "T" means on the carb?
That line runs to the Throttle Valve Solenoid, Distributor Retard Delay Valve, then Air By Pass Valve and is black so it might be for Timing to control the vacuum advance. With that said T is throttle or timing, maybe. Just a guess.
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1985 F150 XLT Lariat 5.8L (351w) HO 4bl 4X2 ext cab. 8 foot bed.
"Some people spend a lifetime wondering if they've made a difference, Marines don't have that problem." President Ronald Regan 1985
D.A.V. USAF 1976-1992.
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Old 08-18-2014, 11:39 AM   #6
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Click the image to open in full size.

here is the diagram from my truck, it's a California truck so emissions standards are higher and there fore more stuff in there.
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Old 08-18-2014, 11:39 AM
 
 
 
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