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#1
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Driveshaft Wrenches
All,
Going to be replacing my flex discs, center bearing and support, etc on the driveshaft in the next couple of weeks. I see by the write ups that I need a 41 mm and a 46 mm wrench to use on the nuts to separate the driveshaft havles. My question is where can I purchase them reasonably priced? I don't want to spend a ton of money on two wrenches I only see myself using once in a great while. Those of you that have done the job, did you use specific wrenches, or could I get by with some adjustable crescent wrenches or a pipe wrench? Thanks for any advice, Glenn
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2012 Mercedes ML350 Bluetec 91K (hers) 2005 Corvette 55K (fun car) 2002 VW Jetta TDI 231K (mine) 1998 Volvo S70 T5 Turbo 196K (kids) 1994 Ford F150 4WD 249K (firewood hauler) 1983 Mercedes 300D 376K (diesel commuter) |
#2
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I've seen lots of mention of using pipe wrenches on here for this particular job. Should be fine.
I chose to get the specific wrenches because I found them for about $25/ea on eBay. I haven't done the job yet. But I do have several of these cars, so I'll use them a few time. Then, I'll keep one in the trunk of each of my cars for those kneecap kind of days
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1979 300D 040 Black on Black - 1985 300D Maaco job (sadly sprayed over 199 Black Pearl Metallic) on Palamino http://i.imgur.com/LslW733.jpg The Baja Arizona Oil Burners Send a message if you'd like to join the fun Left to Right - UberWasser, Iridium, Stuttgart-->Seattle,, mannys9130 Visit the W123 page on iFixit for over 70 helpful DIY guides! |
#3
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I picked up a set from my local Harbor Freight. Was long enough ago that I don't remember the price, only that they were cheap.
were I to do it again, I'd check the Amazon price for just the 2.
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1991 300D |
#4
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Use a large pair of CHANNEL Lock pliers, or some times referd to as Water Pump pliers. Put trans in gear to hold shaft, and then turn the 46mm nut.
This wrench has been mentioned also 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 |
#5
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I used a Chain Type Pipe Wrench to loosen the Collar Nut and I cannot remember what I used in place of the 41mm Wrench.
When I assembled it I had bought a large US Size Combination Wrench that = 46mm at a cheapie tool store and I was supposed to cut it but never did. I managed to use it to tighten the Collar Nut. I don't think I uses anything where the 41mm Wrench would have gone as all Wheels were on the Ground and I could barely squeeze under the Car to tighten the Collar Nut. The Collar Nut has a specific Torque but no one I read of has ever done that and it does not seem to make a difference. A lot of issues should be covered in the below Repair Links: Fast navigation http://www.peachparts.com/shopforum/diy-links-parts-category/146034-fast-navigation-do-yourself-links.html DIY Links by Parts Category - PeachParts Mercedes ShopForum PeachPartsWiki: Do It Yourself Articles - Mercedes Vehicles
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84 300D, 82 Volvo 244Gl Diesel |
#6
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Quote:
toilet pliers - also great to use to remove fuel tank strainer.
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2012 BMW X5 (Beef + Granite suspension model) 1995 E300D - The original humming machine (consumed by Flood 2017) 2000 E320 - The evolution (consumed by flood 2017) |
#7
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Quote:
the torque is about 20 lb/ft or something low like that. - it allows the shaft to slip on the splines while still remaining somewhat tight.
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2012 BMW X5 (Beef + Granite suspension model) 1995 E300D - The original humming machine (consumed by Flood 2017) 2000 E320 - The evolution (consumed by flood 2017) |
#8
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Northern tool or harbor freight. Next time I'm using big channel locks because getting the wrenches onto the driveshaft is a pain and the thread is rather fine so it took me a while
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#9
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I used a pair of adjustable wrenches from harbor freight. I figure I can use them for dodgeball training too
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#10
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Quote:
After I rolled the Car back and forth to center it I could barely fit under the Car to tighten it with a regular Wrench. Not sure I could have fit under with a Torque Wrench. I shopped for a Crows Foot type Wrench but never found one sold singly that was cheap. I ended up buying a short US sized wrench that fits when the price was good on eBay but since then I have not needed to remove the Drive Shaft. The slip brings up another issue; the need to be sure the Shaft is greased.
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84 300D, 82 Volvo 244Gl Diesel |
#11
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One option for large wrenches is a stubby "knock wrench". Search for that on ebay. It has a pad you hit with a hammer. Especially good in tight spaces. We used one at a former company to take the top off a large valve, w/ one guy standing on top swinging a sledgehammer like a golf club to hit the big knock wrench. I have only seen as a box wrench, so might need to cut a slot to get it over the shaft.
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#12
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41 MM + 46MM Propeller Shaft nut crowsfoot wrenches
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'84 300SD sold 124.128 |
#13
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I just did the job I used one pipe wrench and locked the shaft by putting a bar in the u-joint. The nut is not really that tight because it is supposed to be able to move on the spline yet. Make sure you have some grease on the spline when putting back together.
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#14
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What I don't understand is all the fuss to tighten the nut with the suspension loaded, when the spline is supposed to be able slide anyway.
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1981 300TD 310k miles 1970 280sel 172k miles 1966 230 Fintail 162k miles "Where are we going? And why am I in this hand basket?" |
#15
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Quote:
Also is that sliding something you read in the Service Manual or an observation? Torque Chart Looks like 22-29.5 foot-pounds
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84 300D, 82 Volvo 244Gl Diesel Last edited by Diesel911; 11-15-2014 at 11:21 AM. |
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