4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

94 xlt 4.0

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Old 01-19-2018
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94 xlt 4.0

Any one have a pic of their 94 4.0 vacuum lines and where they go? Tryna make sure all lines are connected where they should be
 
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Old 01-20-2018
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Don't have a pic but I found this.
94 xlt 4.0-91-94_ranger_vacuum_hose_diagram.gif
http://www.therangerstation.com/tech...se_diagram.gif
 

Last edited by Grumpa; 01-20-2018 at 08:14 AM.
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Old 01-20-2018
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Thanks

Originally Posted by Grumpa
i cant really follow the schematic on it ive been struggling to find one that fits my motor exactly
 
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Old 01-20-2018
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All will be schematics like found on rad support in engine bay.

You basically will have 2 larger vacuum hoses, one for power brakes and one for PCV Valve.

Smaller hoses go to
EVAP Solenoid(usually drivers side engine bay, will have 2 vacuum hoses, in/out, and 2 wire electrical connector)
Fuel Pressure Regulator(behind alternator, has Fuel line, return line, attached to it)
Vacuum reservoir(on top of fan/blower box on most 1994's)
(FPR and reservoir can share one hose, and there will be a "T" on it splitting it to the two devices)

Vacuum reservoir will have another black line(looks like a wire) coming out and running thru firewall, and a Grey line coming out of firewall(maybe) right next to it, grey hose runs to heater hose valve "IF" so equipped
This Black line is for running the Vents inside the cab, i.e. floor, panel, defrost selector for air flow

Optional hoses
EGR solenoid(calif. only, or if so equipped)
Cruise control, if so equipped
 

Last edited by RonD; 01-20-2018 at 12:13 PM.
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Old 01-21-2018
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Originally Posted by RonD
All will be schematics like found on rad support in engine bay.

You basically will have 2 larger vacuum hoses, one for power brakes and one for PCV Valve.

Smaller hoses go to
EVAP Solenoid(usually drivers side engine bay, will have 2 vacuum hoses, in/out, and 2 wire electrical connector)
Fuel Pressure Regulator(behind alternator, has Fuel line, return line, attached to it)
Vacuum reservoir(on top of fan/blower box on most 1994's)
(FPR and reservoir can share one hose, and there will be a "T" on it splitting it to the two devices)

Vacuum reservoir will have another black line(looks like a wire) coming out and running thru firewall, and a Grey line coming out of firewall(maybe) right next to it, grey hose runs to heater hose valve "IF" so equipped
This Black line is for running the Vents inside the cab, i.e. floor, panel, defrost selector for air flow

Optional hoses
EGR solenoid(calif. only, or if so equipped)
Cruise control, if so equipped

thanks that helps out a little better. Thats why i was asking more so for a picture of an engine bay so i could trace em out. Im getting a chatter almost like a predetonatiom chatter tryna check small things first
 
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