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Can someone confirm the part # for the vacuum reservoir for the 87 F150 4.9. The one on truck has a pin hole in it somewhere have not located it to see if it is fixable yet.
I have 1 number and 1 place shows it as coffee can not in stock and another is showing the same number as a plastic box that looks to be the charcoal canister. Another place showing it as the can in stock but does not fit the truck.
Just remember to use fitting from old can, it has check valve in it that is needed, to keep the vacuum in the can, my check valve went bad, and vacuum couldnt even open the EGR when commanded.
01 to 12 Escape Vac tank. Same as a lot of Mustangs which NPD sells for about $125.
I paid $5, maybe 10 @ my local PAP
Has a slide/snap bracket that will bolt to inner fender in stock location if you want it to.
You'll need the check valve that's with it.
I found 3 trucks with fairly new coffee cans still had paint on them as they looked replaced in last couple of years. And all of them had a bad check valve in the can. Not a big deal as you can always add it external as the 1 in the Escape. All the plastic ones in the newer trucks were gone. I am going to make a trip up to the car pick an pull and find me a plastic one. I was at the truck only place this past weekend.
Does the OE plastic tank have a check valve inside ? 2 ports come off it, one says vac and the other doesnt , which one does what and where is its check valve
Does the OE plastic tank have a check valve inside ? 2 ports come off it, one says vac and the other doesnt , which one does what and where is its check valve
From what I have read and testing on mine. The manifold side of the coffee can has a check valve. The check valve will close at WOT or loss of vacuum from engine to keep that little puff of vacuum for the EGR,TAB an TAD solenoids.
I could be 100% wrong but that is my theory after testing and reading.
It was raining here so I left the P&P so will be heading back again.
From what I have read and testing on mine. The manifold side of the coffee can has a check valve. The check valve will close at WOT or loss of vacuum from engine to keep that little puff of vacuum for the EGR,TAB an TAD solenoids.
I could be 100% wrong but that is my theory after testing and reading.
It was raining here so I left the P&P so will be heading back again.
The reason I ask is that I have been fixing some broken vac lines and also been monitoring my live data and I already know that my check valve for the HVAC is bad because i can be driving a long and it will just un-positiion the doors. I think so at least. The truck is running much ebtter overall but I cannot tell if things are "just" right. But I still have a broken canister so no proper usage of tank fumes, so I could be fighting that possibly.
Blend doors or defrost,vent floor switching will be because of loss of vacuum. Had that problem on my son's 99 F350.His leak was at the canister and also his auto 4WD hubs would not work. I played a couple days on that rascal on/off with the mightvac until I got all of his leaks fixed.
The charcoal canister on this 87 is still good after 34 years so I was lucky on that part not being split from old age.
Does the OE plastic tank have a check valve inside ? 2 ports come off it, one says vac and the other doesnt , which one does what and where is its check valve
Looking at the 1 from the Escape in picture the check valve is external in the line.
Do not quote me but I believe the 1 marked VAC is your source of vacuum from engine.
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