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Part Identification


pinche_rudy

New Member
Joined
Jun 14, 2011
Messages
1
Vehicle Year
1984
Transmission
Manual
Good morning all, I need some help ID'ing a part. I replaced my alternator over the weekend, and noticed a part that I have no idea of its purpose. It looks like a coffee can, sits on top of the wheel well of the passenger side front tire. It has a connector with two red wires, running from the electrical center (also above the front passenger wheel well) to the engine block. It is rusted and has holes in it (very likely the original part, from 1984 when the truck was sold). I tried autozone, napa, even googling the part, and get no results finding the part name or number. Does anyone here know what I am referring to?
 
Its like an evaporation can, its part of the emissions stuff. My dads got a hole in it and gas would come out of it when ever the engine would run and killed mileage. He soildered the hole shut and was good until he and like may others (including me) got rid of the factory emissions and feedback carb setup and went to the Duraspark setup.

Depending on where you live and if your state doesnt do emissions testing, I recommend going to the Duraspark setup.
 
I'm not near any manuals, but the evaporator/charcoal filter is on the drivers side, no wires.
The only 'coffee can' type thing - about 4" in diameter by about 7" long - is a vacuum reservoir, but again no wires, only plastic vac lines. That can sits about where you describe and has and plastic vac line running to the solenoid cluster (smog stuff on the passenger fender next to the starter solenoid.
I agree that a pic would help.
 
Last edited:
Well we clearly know what he's talking about. I would just try to solider the holes shut or go to the JY and try to find one. I know that the f150s of the time and early 90s have them too.
 
It sounds like the vacuum reservor. those are vacuum lines not wires and if it has a hole in it the computer controls/solenoids are doing nothing. If you are still using the computer replace the cannister with any good one disconnect the battery for 1/2 an hour and start it up, make sure all the vacuum lines are in the proper place before you start. If you dont need to pass emissions do the duraspark conversion and eliminate all of the emission crap vacuum lines and 95% of all the wires on the engine.
 

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