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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Vacuum reservoir?

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Old Jan 15, 2008 | 09:24 PM
  #1  
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Red face Vacuum reservoir?

Funny question(sort of), what's the coffee can thing on my passenger fender skirt under the hood? It has 2 vacuum lines connected to it. 1990 f150. Is this some sort of vacuum reservoir? Thanks
 
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Old Jan 15, 2008 | 10:40 PM
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Yes it is the vacuum reservoir.
regards
rikard
 
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Old Jan 16, 2008 | 07:49 AM
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Vacuum reservoir.... just as a sidenote (I haven't done this yet but I thought I'd pass on the idea / tip). I have two Fords with these rusty-old-can lookin' things. If you can handle a GM part on your Ford.... a lot of GM trucks and vans have round plastic canisters (plastic = NO RUST EVER). Have been thinking about swapping mine out just for the sake of not having to wonder if-and-or-when it's going to leak / start leaking....
 
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Old Jan 16, 2008 | 08:28 AM
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Some of the 96s and maybe 95s have a plastic resv too.
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rikard
 
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Old Jan 16, 2008 | 08:42 AM
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Originally Posted by rikard
Some of the 96s and maybe 95s have a plastic resv too.
Yep.. I pulled a plastic resovoir off a mid '90's F-Series junkyard truck to replace the rusted juice can thingy on my truck.
 
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Old Jan 20, 2008 | 05:03 AM
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Does anyone know what the effects will be If I eliminate it?
 
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Old Jan 20, 2008 | 05:53 AM
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Mine was leaking on my 95, it caused the EGR valve not to work properly. At least it threw a code for it.
 
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Old Jan 20, 2008 | 07:37 AM
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I never looked at yard for a plastic one. Mines fine but nice to know
 
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Old Jan 20, 2008 | 08:53 AM
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Originally Posted by Bricks88
Does anyone know what the effects will be If I eliminate it?
Your emission system will not work at WOT.
It is the vacuum reservoir for the emission system.
 
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Old Jan 20, 2008 | 09:00 AM
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From: western pa,zelienople
some are for egr others (351w) have extras for the cruse control.
 
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Old Jan 20, 2008 | 12:43 PM
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the reservoir is an added measure to help supply the extra vacuum needed for the number of items that require the vacuum. in the old days I had a car that had vacuum whippers and under hard acceleration and low to no vacuum in the engine they would stop, the canister that is properly sealed and large enough will eliminate that trouble, the autos today use a large amount of vacuum to operate different items. The 95 aerostar has plastic system too though I think its to small for practical use.
 
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Old Jan 20, 2008 | 01:15 PM
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I bought a tomato juice can for 69 cents to replace mine. cut the bottom off new can to install the vacumm mechanism, fastened in place and caulked. Then tig welded a piece of sheet metal back on the can.

DSCF1459.jpg?t=1200856465DSCF1458.jpg?t=1200856427
 
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Old Jan 20, 2008 | 01:15 PM
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Should have bought a can of V-8!! LOL!!
 
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