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1982 300CD Turbo, pinion nut socket
any onr know the part number for the pinion nut socket or if there is a harbor freight equivalent? I want to put a differential from a 450sel in my coupe and it has a different kind of nut on the pinion shaft. this one is the round one with 4 gaps instead of the 12 point one.
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails) |
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Answer
I use an air chisel to remove it.
The nut must be replaced with NEW each time, so there is no worry about wrecking the old junk.. Nut MB# 123 353 00 72 Fastlane: Pinion Shaft Nut http://catalog.peachparts.com/item.wws?sku=W0133-1641951 .
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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/ Last edited by whunter; 12-20-2010 at 02:51 PM. |
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naw, just a bigger diff with a 3.06. Im going to install my 5 speed and the 2.47 will be to low a gear. the 2 inch lower pinion completely eliminated all of my vibes so I dont want to put the stock 300CD 3.06 back in.
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails) |
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whats the reason this needs to be replaced? I can bend the peen out without damaging it
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails) |
#6
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Re-using a $5.00 nut on a critical stressed pre-load part is not logical. |
#7
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not trying to be a pain but I will have a 12 point nut from the pinion donor and I only have this week to have my car apart
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1982 300CD Turbo (Otis, "ups & downs") parts for sale 2003 TJ with Hemi (to go anywhere, quickly) sold 2001 Excursion Powerstroke (to go dependably) 1970 Mustang 428SCJ (to go fast) 1962 Corvette LS1 (to go in style) 2001 Schwinn Grape Krate 10spd (if all else fails) |
#8
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The round pinion nut socket with 4 gaps = the nut is discontinued = superseded to the 12 point style. If you need to re-use the 12 point nut, at least you have the correct tool. Personally I install a New nut every time for correct pre-load locking. |
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Sent you a pm. And I'm pretty sure the FSM says the nut is not re-usable.
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--frankb 1982 300TD 617.912 <NLA> . 1975 2002 E10-EFI . 1976 914c6 . 1983 MG LMIII <NLA>. 1988 Montero / 616<NLA> . 2001 TLS . 2005 Saab 9-5 Wagon |
#10
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The reason they recommend not reusing the nut is most replacement nuts have a thread locking compound that a used nut won't and the peened area will be fatigued & not hold if repeened in the same spot. A thin washer behind the nut will change the orientation enough so you get a virgin area to peen and a little Loctite doesn't hurt either if you plan on reusing your nut.
Here's what happens when the nut is reused improperly. This was on the trans output flange & caused the PO to think the trans was shot. The flange pulled out of the trans & the car just wouldn't go any more. $1200 for a rebuild scared him into selling it to me REAL cheap!
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82 300SD 202K 82 300SD 233K 83 300TD 340K 82 300TD 98k euro (parts on the hoof) 85 300TD 282K 83 300TD 197K |
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the pinion nut is not reusable because it is a misshapen nut, it uses metal stress to lock the nut into it's position. no compound would work once it's loosened, it is not stressed anymore, and will not properly hold the preload. I'm sure Roy can get you the new nut shipped asap... in my car I'd only use new hardware on a pinion!
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
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