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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Wed Jul 22, 2020 11:15 am Post subject: Vent Line Routing |
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I've looked through the TM and Ord manuals for a good illustration for some of the vent lines. I did find a bunch of good pictures and illustrations but still missing some pieces. From the image below, I would like to install N & R before I put my tub back on. I haven't found any good pictures or illustrations doing a Google search or searching here and on G503. Does anyone have a good picture of these two lines installed with the tub off? Looks like the same question is asked over and over here and on G503.
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4x4M38 Member
Joined: May 30, 2014 Posts: 3444 Location: Texas Hill Country
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rgmutchler Member
Joined: Sep 28, 2008 Posts: 345 Location: Caldwell, Texas
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Wed Jul 22, 2020 4:22 pm Post subject: Vent Line Routing |
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I'll take a look at the Green book when I get home tonight. I've only installed M (carb to cross over tube) so far since it's one of the easy lines. I figured that I would do O & Q once the tub is installed since the tub and air cleaner aren't installed yet.
Thank you,
Dave |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Jul 23, 2020 7:03 am Post subject: Vent Line Routing |
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It looks like I can run these lines after I put the tub on. Line R routes to the frame then back to the dash. Still not sure about line N. N (master cylendar to air cleaner) looks like it's fixed to the engine block along with line S (gas tank to air cleaner).
It's starting to get clearer. Where does R take a turn to the dash? Is the dash Tee fixed to the actual dash or the fire wall near the air cleaner? |
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Kendall Member
Joined: Feb 25, 2006 Posts: 344 Location: Wichita, KS
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Posted: Thu Jul 23, 2020 7:29 am Post subject: |
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Here is the vent line from my transfer case. Hope this helps.
Kendall
_________________ 1951 M38
1952 M38
1952 M38A1
1942 Dodge WC-55
1951 M100 trailer
1942 Ben Hur trailer |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Jul 23, 2020 8:41 am Post subject: |
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Thanks Kendall. Looks like you have a late set-up. Mine will be early. I found an illustration in TM 9-1804A showing the Transfer vent line routing on the passenger side of the shift canes. Also, the lube chart in the M38 reference book shows it to the right of the canes. The diagrams I've seen for the later set-up are like yours. |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16241 Location: Wisconsin
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Jul 23, 2020 12:27 pm Post subject: Vent Line Routing |
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Thanks Wes. I didn't see the TM 9-804 in the downloads section. I'll see if I can get a copy somewhere. |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16241 Location: Wisconsin
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Jul 23, 2020 2:09 pm Post subject: Vent Line Routing |
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The TM 9-804 looks like it has great information. Pages 28-32 have good descriptions of vent line routing. I'll see if I can locate the Factory Service Manual.
Thanks for the information. |
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Jul 23, 2020 2:19 pm Post subject: |
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Wes,
Are you talking about this one? I didn't find a pdf but I have an original copy at home I can look through.
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ocwd Member
Joined: May 14, 2007 Posts: 721 Location: Placentia, CA
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Posted: Thu Jul 23, 2020 2:34 pm Post subject: |
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Nope, I'm guessing this is it.
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16241 Location: Wisconsin
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