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vacuum line connection |
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motorhead_1 
AMC Addicted 
Joined: Apr/16/2014 Location: AZ Status: Offline Points: 1006 |
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 Topic: vacuum line connectionPosted: Apr/01/2020 at 12:58am |
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not sure if this is the right area to post. car is a '79 v8 concord
the 2 hard lines i suspect are for the missing charcoal canister. the other 2 vacuum lines, i don't know where they go? were these foe the smog pump and emissions stuff? do they need to be plugged? or do they help to operate the ac vents? thx for the help!   |
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69 SC/Rambler tribute 401/th400, 68 Rebel SST LSA, 66 F100 460/c6, 88 Merkur Xr4Ti, 71 Jaguar XJ6 LS1, 08 Supercharged Tundra
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waltl
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Joined: Sep/07/2012 Location: illinois Status: Offline Points: 131 |
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Posted: Apr/02/2020 at 9:00am |
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Top pic is fuel supply and return line to/from tank. Yea disconnect them at the tank ans seal the tank side connections.
Lower pic is vacuum supply for HVAC mode panel in cab. In the top pic, what the heck is that rubber hose with the splice and two hose clamps?? That is so wrong and that hose is going to fail. Hope it carries no pressure, ever, or whatever is in that hose is coming out.
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Walt L.
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motorhead_1
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Joined: Apr/16/2014 Location: AZ Status: Offline Points: 1006 |
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Posted: Apr/13/2020 at 10:51pm |
thanks for the reply. where are those vacuum lines supposed to be connected to? straight manifold vac? T'd into a vacuum canister along the firewall? and good eye on the spliced hose! it's on my list to fix. there's a lot not right on this car that needs to be sorted.
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69 SC/Rambler tribute 401/th400, 68 Rebel SST LSA, 66 F100 460/c6, 88 Merkur Xr4Ti, 71 Jaguar XJ6 LS1, 08 Supercharged Tundra
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FSJunkie
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Joined: Jan/09/2011 Location: Flagstaff, AZ Status: Offline Points: 4742 |
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Posted: Apr/14/2020 at 1:42am |
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Of the two hard lines on the shock tower, the larger one is the fuel return line from the original fuel filter and the smaller line is the vapor vent from the gas tank to the charcoal canister. They should both be plugged if they are not hooked to their respective proper equipment.
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1955 Packard
1966 Marlin 1972 Wagoneer 1973 Ambassador 1977 Hornet 1982 Concord D/L 1984 Eagle Limited |
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maximus7001
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Joined: Jun/27/2011 Location: Winnipeg,Canada Status: Offline Points: 1086 |
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Posted: Apr/14/2020 at 3:46pm |
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Beware that if the vent line to the tank is plugged the tank will have no venting anymore. so what will happen is the car will make it a few miles away from the gas station then stall and not start. That is what happened with my Concord. Solution was just sit the gas cap on the filler and not tighten it in any way.
Edited by maximus7001 - Apr/14/2020 at 3:48pm |
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1968 Javelin SST
1997 GMC Safari AWD 2001 Daewoo Nubira SX (Winnipeg only model) 1997 Honda Accord EX (Canadian Model) Winnipeg, home of the Jets. |
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waltl wrote: