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#16
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I pulled the glow plugs today and did a compression check. The results: (1) 250 (2) 240 (3) 320 (4) 100 I now know what the problem is. I even did #4 over again, and it still only got up to 100. I could see a mist of fuel coming out of the other glow plug holes when cranking, so I know it is getting fuel. I got my pump oiler, and pumped about a pint of MMO in each cylinder. I will probably do another round tomorrow, and may even pump a bunch in #4 before putting in the glow plug and soon after trying to start it. If all else fails, I will sell it as-is or part it out.......Rich
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![]() All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#17
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my first line of thinking would be to hook up some fresh fuel with fresh filters in a bottle and try and run it off that after priming the system. That way you can easily trouble shoot the fuel tank, fuel IN the tank, and any of the lines.
EDIT never mind, just read your response! sorry to hear that ;( |
#18
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![]() All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#19
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that’s awful. I hate it when people do this to me. My wife borrows my 300sd and it always comes back with something broken. I love her but that is pushing it!
![]() For what it’s worth, I drove my 240D with over 300k for 2 years on used motor oil from my wife’s Honda. I knew the car was going to get donated so I figured heck, just top it off with old oil. One quart a week. It leaked but had great compression. Long story but I had to dump the aging car due to a move to the hill country and too many worn parts. But that engine just took it. It started and ran well till they drove it away. Shame.
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79 300TD “Old Smokey” AKA “The Mistake” (SOLD) 82 240D stick shift 335k miles (SOLD) 82 300SD 300k miles 85 300D Turbodiesel 170k miles 97 C280 147k miles |
#20
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With a full tank, sludge was washed off the area above 1/4 tank. I'm betting that you usually ran the car with less that a full tank and the recent guy filled up. So the engine is running now? |
#21
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#22
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I do have a leak down tester, so yes, that is next. I have never checked the compression before today. It usually started without issue in the three seasons other than winter. It did start in winter using the block heater and glowing at least two cycles.
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![]() All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#23
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Just sounds like a tired engine to me. If a diesel has a hard time starting in cold it has poor compression or bad glow plugs. The trip and hauling the trailer might have accelerated the wear even more.
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Only diesels in this driveway. ![]() 2005 E320 CDI 243k Black/Black 2008 Chevy 3500HD Duramax 340k 2004 Chevy 2500HD Duramax 220k |
#24
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The more I think about it, I tend to agree with you. However, why would one cylinder be so much lower than the rest?
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![]() All Diesel Fleet 1985 R107 300SLD TURBODIESEL 2005 E320 CDI (daily) LOTS of parts for sale! EGR block kit http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html 1985 CA emissions 617 owners- You Need This! Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst. Sanden Instalation Guide (post 11): http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html |
#25
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Perform the leak down test - you don't know if it is a top end or bottom end issue yet. There are a lot of possible reasons for poor compression - a single bent valve would only affect one cylinder, for example.
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1983 300D Midnight Blue 4 speed, W115 intake mani, non-EGR exhaust mani, KKK K26, 3 pc Euro bumpers, Lo-spec Euro headlights, AL129X, hubcaps, custom A/C 1987 300TD Smoke Silver Euro headlights, thermostat relocation, coolant bypass mod, rebuilt Becker + Jehnert + Helix audio, OEM Oris roof boxes and surfboard racks, Euro towbar 1983 300TD Reed (Moss) Green / Dark Olive MB Tex Euro spec 1983 300TD Silver Blue / Blue cloth Euro spec, OM648 and 722.6, 15" hubcaps, W126 S2 brakes |
#26
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Sometimes some cylinders wear more than others. I’ve seen some cylinders fail completely or have significantly lower compression than the rest.
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Only diesels in this driveway. ![]() 2005 E320 CDI 243k Black/Black 2008 Chevy 3500HD Duramax 340k 2004 Chevy 2500HD Duramax 220k |
#27
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Here is an example of an engine that allegedly had 300+ psi on cylinders 2-5 and 0 psi on cylinder 1.
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Milan Brown 1979 240D, rebuilt OM617.952 turbo diesel, rebuilt 722.315 transmission - engine spun a rod bearing 1979 300SD, ~90k original miles, all stock |
#28
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I'm with Jake12 on this. Performing the leak down test is a waste of time. If only one or two adjacent cylinders were low then it would be useful. All four low? Fuggedaboudit! Source another engine and move on.
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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.” ― Brian P. Cleary, You Oughta Know By Now |
#29
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A leak down test doesn't take very long. Diagnose, don't guess.
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#30
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Reminds me of when I loaned a nice (almost NEW) 2stroke leaf blower to a neighbor (along with some gas). He ran it all afternoon, used up the fuel we provided, then ran a full tank (or two) of gas with no oil mix through it. Engine was toast. Hands it back saying "it stopped running".
![]() It was then I essentially swore off loaning people most things...especially cars or power tools. (I do make a few exceptions for specific friends or family who treat tools/things nicely)
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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) |
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