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  #1  
Old 01-21-2013, 01:16 PM
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Question How smokey or otherwise is your diesel?

How smokey before you are embarrass to drive the car? All old diesel smokes a bit but how bad is bad? What is acceptable and what is not?
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W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

2 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.
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  #2  
Old 01-21-2013, 01:38 PM
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For Example: Bad!

This is what you'd call a bad example:

Mercedes 200D Start - YouTube

However, it has sat for 12 years prior to this, and is very badly adjusted / a little bit broken.

Also, my neighbours don't care. And if I could get it registered in it's current state, which is nearly impossible in Germany, or anywhere else I would drive it a bit, just for fun.
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  #3  
Old 01-21-2013, 01:41 PM
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Just had my daughter's 84 SD emission tested. 8% opacity at 60mph, 10% at 50mph, 6% at 40mph.
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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
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  #4  
Old 01-21-2013, 01:58 PM
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My 83 SD only has visible smoke at cold start and when floored. 195K mi. That's probably better than average though (I'm lucky there). I think some smoke on acceleration and startup is pretty normal for these.
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'07 E320 Bluetec 133K my DD
'04 Jaguar XJ8 VDP, 34K
'10 Hyundai Accent 60K Grocery Getter
'02 VW Golf soon to be on the road again
'97 E300 Diesel Son's DD
'61 VERY tolerant wife

Hampton Roads, VA USA

Gone but not forgotten:
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'86 300SDL
'87 300D Turbo, 364K! R.I.P.
'98 E300 Turbodiesel, 213K
'02 S420, 164K
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  #5  
Old 01-21-2013, 02:01 PM
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Quote:
Originally Posted by kerry View Post
Just had my daughter's 84 SD emission tested. 8% opacity at 60mph, 10% at 50mph, 6% at 40mph.
What does this mean? Car is moving or stationary on a dyno?

I suspect my car has low compression I think. Little blow by and oil cap does not dance. It is not black smoke but a slight white haze. It is not a smoke machine so to speak. I just want to get some opinions on what is considered normal or acceptable. All my working ( some are not ) diesels smoke, just a matter of how much.
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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

2 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.
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  #6  
Old 01-21-2013, 02:05 PM
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On a dyno. It's the standard emissions test in CO. Put the vehicle on a dyno, drive at different speeds and shine a light thru the exhaust.
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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
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  #7  
Old 01-21-2013, 02:16 PM
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Car had been sitting for over a year, with 311K miles on it: 190D exhaust - YouTube
Not bad I would assume. Needs all new fluids and filters, might have close to no smoke then
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80 300SD 183K
83 300D manual 100K chassis
86 Yugo GV 48K
88 Yugo GVX 9K
90 300D 230K
90 Lexus LS400 189k
91 F150 4.6 4v 160K
93 190E 3.0 Sportline Limited Edition 230K
93 190E 2.6 Sportline Limited Edition 91K
96 MGM LS 242K- RIP
03 Sprinter Passenger 220K
06 MGM LS 105K-sold
Parts cars:
77 240D Auto-RIP
79 300SD- RIP
80 300SD
83 240D-RIP
85 240D-RIP
87 190D-RIP
91 190E 2.3- RIP
93 190E 2.6-RIP
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  #8  
Old 01-21-2013, 02:39 PM
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Answer

Quote:
Originally Posted by ah-kay View Post
How smokey before you are embarrass to drive the car? All old diesel smokes a bit but how bad is bad? What is acceptable and what is not?
I am never embarrassed by diesel smoke
https://www.youtube.com/watch?v=slkQ7zSWMkI
https://www.youtube.com/watch?v=07a0SbeFmEg
https://www.youtube.com/watch?v=HW3C1AYQLnI
https://www.youtube.com/watch?v=HhxsN7HGo2Y&NR=1

or tire smoke
https://www.youtube.com/watch?v=xDtILVplrSk


This is terribly sad.
https://www.youtube.com/watch?v=ubWlNpokKTI


.
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1973 300D
1973 309D - stolen
1978 280SE
1980 240D
1983 300D
1984 190D
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  #9  
Old 01-21-2013, 02:51 PM
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Quote:
Originally Posted by whunter View Post
I am never embarrassed by diesel smoke
https://www.youtube.com/watch?v=slkQ7zSWMkI
The smoking is similar, a bit less than this at idle. OK-ish, not embarrassed?
__________________
Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

2 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.
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  #10  
Old 01-21-2013, 06:10 PM
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When I first got my euro 300d, I was reported for to much smoke. I got a nice letter from the state of California. When I got it, I remember it smoked so bad you couldn't even see the car when you floored it...Had a cop follow me for blocks attempting to figure out a way to pull me over....I liked the attention :-)
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  #11  
Old 01-21-2013, 09:30 PM
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My 83 300D T with 298k has no visible smoke from a cold start unless I shine a light on it. Such a sweet running and sounding engine- I love it! Oh I should mention, its last 80k was on veg too. If I floor it when on the road, I see a little black smoke in the rear view, which is normal.
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  #12  
Old 01-22-2013, 01:17 AM
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Quote:
Originally Posted by ah-kay View Post
All my working ( some are not ) diesels smoke, just a matter of how much.
I have noticed that all mine and my brothers cars smoke a little as well. The use of veg oil will cause a little more smoke than with pump Diesel.
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  #13  
Old 01-22-2013, 01:34 AM
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78 smokes a bit at over 200k
82 I had sit for 6 months started and no smoke at all. And somehow magicly had much reduced blow by! Guess a ring freed or something.
81 smoke son start but I know it has marginal injectors COmpression is good. Need to get the injectors rebuilt.
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  #14  
Old 01-22-2013, 11:22 AM
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Quote:
Originally Posted by ROLLGUY View Post
I have noticed that all mine and my brothers cars smoke a little as well. The use of veg oil will cause a little more smoke than with pump Diesel.
Hi Rich, I do not think Veggie or D#2 make a difference. I think the engine are all tired with many many K miles.
__________________
Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

2 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.
Reply With Quote
  #15  
Old 01-22-2013, 02:37 PM
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Ok

Quote:
Originally Posted by ah-kay View Post
The smoking is similar, a bit less than this at idle. OK-ish, not embarrassed?
That sounds like low average smoke = you have a good engine.


***
Today; I sent away a young fellow that came by with a 1992 300D 2.5 turbo, worn out engine (smoking like this when warm)
https://www.youtube.com/watch?v=mP8KCp9PJjU
it had 800,000 (salt) miles (Chicago/Detroit).
The engine uses one quart of oil every 50 miles.
Cold start (three glows) with NEW glow plugs, cranking is roughly 35 seconds + the white smoke (unburnt fuel) covers two acres before it builds enough heat to fire.

He thought I could fix it with some miracle oil additive, under $100.00 USD.
The previous owner rebuilt the turbo, injectors, injection pump, new oil pump, good used crankshaft, new rod/main bearings, new cylinder head, new timing chain and tensioner.
I called the shop where the work was done, and they did recommend rings and sleeves, but owner declined "60,000 miles ago".

Current Compression numbers dry:
#1. 212 psi.
#2. 200 psi.
#3. 200 psi.
#4. 190 psi.
#5. 200 psi.


Current Compression numbers wet:
#1. 222 psi.
#2. 210 psi.
#3. 210 psi.
#4. 200 psi.
#5. 210 psi.


My diagnosis: Rings and sleeves are worn out, and must be replaced.
Doubtful the engine will be repaired due to cost.

.
__________________
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.
Prototype Vehicle build.
Prototype Fleet Durability
Prototype vehicle instrumentation.
Technical Quality Auditor.
Automotive Technical Writer

1973 300D
1973 309D - stolen
1978 280SE
1980 240D
1983 300D
1984 190D
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