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#1
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No more loud diesel
I have had my 300D for 3 years now and its always been idling around 1k. Recently I put in new engine mounts and shocks and moved on to the rack dampener pin today.
It was screwed all the way in. I had a replacement on my shelf(gold).. but the original in the IP was not coming out easily.. I moved it out a bit (1 thread out) and put the idle down to 750 ish and boy is she quiet and idles smoooooth I'll get some PB Blaster on that bolt to get it out.. I need to invest in some gear wrenches as well .... Big difference in noise and power now. |
#2
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I need to play with my rack damper a little. I've tried before, and the bolt is adjusted in all the way. I have rough warm idle. I need to try backing it out some and see if anything changes.
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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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1K is a bit fast, no wonder it sounds better now.
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#4
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Had one this morning on a 83 300TD with 83,000 on it. I had thought needed a rack pin, it may still need it (adjusted all the way in), but we tried a LM diesel purge per the glass jar method this morning. Simply amazing, within 2 minutes the engine quieted down and ran smooth, on test drive afterward, a noticible difference was felt in acceleration as well. I'm a believer of the stuff now!
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1980 500SE/AMG Euro 1981 500SEL Euro 1982 380SEL 1983 300TD 1983 500SEC/AMG Euro 1984 500SEC 1984 300TD Euro 1986 190E 2.3-16 1986 190E 2.3 1987 300D 1997 C36 AMG 2003 C320T 4matic past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350 |
#5
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Quote:
i apologize if you already know this - but the rack pin (12mm) has a locknut (14mm). You need to loosen that first before you can move the rack pin. you probably did this -just making sure! good luck, dd
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------------------------------- '85 300D, 'Lance',250k, ... winter beater (100k on franken-Frybrid 3 Valve Kit) '82 300D, 'Tex', 228k body / 170k engine ... summer car '83 300TD Cali Wagon 210k, wife's car |
#6
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yea.. I had the two wrenches.. (I used the search function before I went at it )
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#7
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I usually keep my idle around 700-750 in the summer but during the winter I boost it to about 900ish (tach doesn't work so who knows...I turn the idle screw half a turn) but it can start and run on its own easier in the arctic temps at that rpm....which is very nice as I don't have to help it out.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#8
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its so weird having the idle at 750. I kinda liked the 1k idle. Made it sound like a cummins and let people know I was coming.
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#9
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i got my idle down around 600-650. huge difference in MPG numbers from the 850 it was at originally. going from 1K to 750 you will definitely notice a couple mpg
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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) |
#10
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Balancing your injectors and installing 265 nozzles can be a big help too!! My idle is nearly silent now and smooth as silk at 600ish rpm with 265 nozzles. Idle's without help at that speed when cold too... absolute wonder.. Many thanks to C Sean Watts!!
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99 E300 Turbodiesel 100k |
#11
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yea.. the next thing is to find some 617 injectors and rebuild them
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#12
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glow plugs
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Could this be a glowplug issue. I am in FL, and it occassionaly gets around 32F, and the car starts up fine, it just runs rough for about a minute. Was wondering if my GP's are old.....or if that is normal...
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85 300CD Turbo "Das Polluter" 230K sold for $3,000 98 BMW 323is |
#13
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that might be it. My RDP was all the way in and it had a rough cold idle with new plugs. Now its a lot smoother
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