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#1
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Bent my turbo oil line... ?
I am getting ready to pull the Garrett turbo from my '84 300D. I think I already messed up. Instead of holding that solid oil supply line back with a bungee, I bent it back. Is this bad?? See image below
https://picasaweb.google.com/lh/photo/aG5hWSRrnkVzOG6LMTKZxNMTjNZETYmyPJy0liipFm0?feat=directlink Where do I go from here? Do I run a new braided stainless line from the banjo on the oil filter housing? For those who are interested, here is the story. Inspired by Doktor Bert's modifications to his 300SD, I am planning to rebuild this turbo with new seals, bearings, the upgraded thrust bearing, new Stage I ex. turbine, new compressor wheel, port and mild polish, and digital boost & EGT gauge. Already done: cam timing advanced 2 degrees above stock using a woodruff key, IP timing advanced 3 degrees using the drip method, new glowplugs & valve adjustment, ALDA screw backed out all the way, IP delivery valve holders adjusted using my own twist on the millivolt method ( you can search all you want on this topic right on this forum ), modded rack limiter. Last edited by kestreltom; 01-28-2013 at 10:02 AM. Reason: new info |
#2
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Bad idea. Time for a trip to the P n P.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#3
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You could certainly braze on some AN fittings on the turbo lines and use AN Hose fitting on some stainless braided oil hose but I would agree that a trip to the PNP is the better solution
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#4
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Any decent brake or radiator shop should be able to braze a new section in place of the bent piece. Be sure to clarify that the oil pressure hits 200psi, and yes you know that most common cars only hit 60psi.
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$60 OM617 Blank Exhaust Flanges $110 OM606 Blank Exhaust Flanges No merc at the moment |
#5
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However, ForcedInduction on another Form siad you need some sort of restricted Fitting if you go to the Hose. I don't know about that so cannot comment on it. Personally I think he is better off getting another Tubing from the Junk Yard.
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84 300D, 82 Volvo 244Gl Diesel Last edited by Diesel911; 01-28-2013 at 01:11 PM. |
#6
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I agree with replacing the oil line. It would be difficult to bend it back and have it line up properly. there is the possibility of kinking the line.
The oil line vary between the om617 in a W126 and in a W123, and especially the oil line used in the Kali 85. The oil line used in the 78 - 80 W116 may be different also. Be sure to replace the connection at the rear of the head. If you only connect the ends and not attach this mount, the line will vibrate and crack. The oil line is around $10 from PNP. I copied the picture of the bent oil line, as later on it won`t be available when the account is deleated, and there is a search on this later on. Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#7
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Heat it with a torch, you should be able ot get it back. That's a pretty soft curve
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$60 OM617 Blank Exhaust Flanges $110 OM606 Blank Exhaust Flanges No merc at the moment |
#8
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Thanks for answering my question...
to everyone who has offered solutions.
I am leaning toward installing a braided line, since the local PnP does not have any turbo diesels. After struggling for 40 minutes getting the air cleaner mount off, I literally lost my patience and bent the oil line out of pure stupid-angryness... This job is not going to go well unless I get humble and patient fast. I can see lost of impossible to reach frozen bolts. Lets see.,. where's my propane torch and PB Blaster? |
#9
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The clamp on the back of the head is awkward, but usually comes free easily. The banjo bolts on the oil filter housing should as well (It did on both my car and the JY car I robbed from)
Look at it this way: you will have fresh oil seals and a nice new line so no worries once you're squared away
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$60 OM617 Blank Exhaust Flanges $110 OM606 Blank Exhaust Flanges No merc at the moment |
#10
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Here is a good picture showing the oil line from the back side of the engine.
Picture borrowed from "1960MOG" Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#11
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You can find kits on eBay for doing flex lines for T4 turbo feed and/or drain. These are very standard, easy to find and widely used. Here's just one example of a line and fittings. Going this route would eliminate one welded joint by replacing the entire turbo fitting with a made up one. Just search something like "T4 turbo oil line" on eBay for options.
You'll still need to braze a fitting on the other end. It would be something like this fitting I made up for my oil cooler lines when converting to AN fittings (note I ended up not using this setup, opting to modify the oil cooler and using a 90 fitting instead, but others have gone this exact route with great success) Seems like -4 hose and fittings would work, but I think -6 would be what you would want to use if you decide to modify your existing hard lines. Good luck
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#12
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Clean engine there!
Thanks Charlie!
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#13
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That's a good idea Mach4
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One thing though... the adapters shown in the photo will not work on the OM617a because the hose connection needs to come off the side of the fitting in order to make clearance for the stock air filter. I needed, I can make a custom one for this purpose, or adapt the existing fitting. |
#14
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But as long as you need to braze one end, might as well do do both. See my build thread for how to make oil cooler and oil line modifications. 380SL Diesel Conversion Project - especially posts 180, 185, 197, 203, 213 and 217
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#15
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Ya - you're right
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Holy maccaroni ! I remember that SL diesel conversion... didn't realize it was yours - nice work! I read up on that a while ago simply because it was a fascinating mechanical feat. Reminding myself of your prowess will keep me humble and focused through the skinned knuckles and misc. mechanical mishaps. Since I am breaking out the map gas torch and AN fittings, I might as well braze fittings onto both ends the the cut supply line and be happy that I can just flop the oil line aside next time I pull the turbo. |
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