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#1
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Special Valve wrenchs -necessary ?
I have read most of the posts here regarding these wrenches of differing manufacture and how well they work on these cars ( OM 617 in particular)
I am about to do a valve adjustment and have not yet bought a set so I am mulling this over. How bad is it without them ? I do plan on buying a set but may not have them in time for me to do the adjustment/check while we still have nice weather. Thoughts ? Thanks Alan
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92 500E Silver 66k 82 Porsche 911SC 84K 68 Cadillac ( Gone Now ) 03 Suburban Z71 200K 85 300SD 217k From Original Owner ( Dad ) |
#2
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I think it would be nearly impossibly without the valve wrenches. You'd never be able to get the wrench on the nuts and have any torque to turn it. If you plan on having the car for a while the wrenches are a good investment. I have a set of home made type that have worked on too many adjustments to count.
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#3
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It's really bad without them. Maybe you can break out a torch and bend yourself a pair.
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#4
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no, 2 14mm will do it but you need one that is somewhat thin.
if the collar on the spring turns with the lock nut you will have to use a pliers or something to hold it while you turn the lock nut. don't 4 valve jobs that way, checked clearances 100 miles later each time. one or two were off by .01mm by then so i just adjusted them. once you set the clearances turn the engine over again to check each valve. i usually turn it over 2 times after i have set the clearances. |
#5
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DIY
Quote:
http://www.peachparts.com/shopforum/showthread.php?t=239902 .
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ |
#6
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if you can't get the wrenches, removing all the injectors makes it pretty simple to adjust the valves. but then you have to replace the fuel return lines, and the injector heat shields.
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#7
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Quote:
My ad at Benzworld. (The benzworld site is slower to open then our forum.) http://www.benzworld.org/forums/sale-wanted-trade-giveaway/1537638-f-s-valve-adjusting-wrenches-diesels.html
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84 300D, 82 Volvo 244Gl Diesel Last edited by Diesel911; 10-07-2010 at 09:16 PM. |
#8
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Thanks , I was just curious. It is not the money for the wrenches it is the time crunch to get them more than anything else. I had an 89 Rnge Rvr that they said required special wrenches to change the front hub seals. I took a cheap set of box ends and heated and bent. Great, anyway I will follow the advice given here since it has only been correct
99.9% of the time. Thanks again Really. Alan
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92 500E Silver 66k 82 Porsche 911SC 84K 68 Cadillac ( Gone Now ) 03 Suburban Z71 200K 85 300SD 217k From Original Owner ( Dad ) |
#9
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I did it with a thin wrench I took from the factory BMW motorcycle tool kit, and another standard wrench. You have to rotate the wrench in your hand to be effective, but it's not difficult if you've got nimble hands.
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1982 300TD 300,??? miles, daily driver turned donor 1982 300TD, 184,000 miles, daily driver |
#10
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Ubertino, That is kinda what I was curious about. I have factory tool sets in metric with very thin head thickness from everything from a 69 VW to an 89 BMW 3series and then a few Mitsubishi and Toyota's thrown in. As always great feedback from everyone.
Thanks Alan
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92 500E Silver 66k 82 Porsche 911SC 84K 68 Cadillac ( Gone Now ) 03 Suburban Z71 200K 85 300SD 217k From Original Owner ( Dad ) |
#11
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Here is a set in the Parts forum for sale
http://www.peachparts.com/shopforum/showthread.php?t=286018 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 |
#12
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Quote:
Head thickness on the ones I bent = 0.225 Heyco made Valve Wrench head thickness = 0.212
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84 300D, 82 Volvo 244Gl Diesel |
#13
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I just listed a great "old school" set of three wrenchs for sale!
http://www.peachparts.com//shopforum/showthread.php?p=2560364#post2560364 |
#14
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BillyBob & Charmalu, Thanks, I will have to go one way or the other and will let you know.
Thanks
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92 500E Silver 66k 82 Porsche 911SC 84K 68 Cadillac ( Gone Now ) 03 Suburban Z71 200K 85 300SD 217k From Original Owner ( Dad ) |
#15
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I hear people say it is impossible without special wrenches, but I've done it many, many times on OM621, OM616, and OM617 engines without any trouble using a couple standard open-end wrenches and feeler guage. One wrench holds the valve from turning, the other loosens the cap nut. A thinner wrench to hold the valve works better, but the cap nut doesn't need a thinner wrench. There is room to fit the wrenches in there in one orientation or another. You may get your hands oilier, but that will wash off (eventually).
I say save you money and try it with regular wrenches. If you find it troublesome, then go out and buy or make a set. |
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