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#31
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Okay you still want to know if those shavings you found in the oil pan are bearing material or the steel from the vacuum pump. Thats what the magnet test will determine.
If steel you have to find where something is jammed up. It could be valve /piston. A piece of metal where it should not be in the chain/sprocket area. Try for back and forth crank movement using moderate pressure. If none remone the chain tensioner. This increases the chain slack to test movement. If still none at all then the crank itself is jammed. If you have more movement with the chain tensioner off then the obstruction is timing of cam to crank or damaged/ Jammed above the crank level. At this stage do not concern yourself with turning the crank bolt in either direction with moderate pressure. The 616 four cylinder engine has an intermediate shaft and gear drive of the oil pump. This is not used for anything that could effect the actual overall timing of the engines cam,injection pump or crank. That said the intermediate shaft feed could possibly jam up as well I suspect. Something to just keep in mind. Anyways you now will have to locate how and where it is jammed up to make a decison on how to proceed. I liked the ideal of getting under the car with the lower portion of the oil pan off with a good light and trying to look around the bottom sprocket area. |
#32
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This is really bad news! Your only option is exploratory surgery. If you're REALLY lucky it is only something jamming up the timing chain. Disassembly is really the only way to diagnose this.
__________________
2001 SLK 320 six speed manual 2014 Porsche Cayenne six speed manual Annoy a Liberal, Read the Constitution |
#33
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Answer
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You can try sliding the Digital Inspection Camera down through the timing chain area, centered on the Camshaft bolt. The oil pan must come off for cleaning, even if you find and clear the junk from the chain. . |
#34
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Oil pan has already been taken off, found several metal shavings in there.
Should it take a lot of force to rotate the engine with a rachet by the bottom sprocket? |
#35
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Is it producing compression or have you removed the injectors or glow plugs? If no compression, it should take moderate force to turn the engine.
__________________
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 |
#36
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The glow plugs and injectors are still in the engine
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#37
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Then it will take a lot of force to turn over the engine. Remove the plugs and it should turn much more easily.
__________________
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 |
#38
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Okay, thank you
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#39
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Rather than bother with glow plug removal, I find it easier to simply add an extension to a 1/2" ratchet. You can move it with a 1/2" ratchet, but it is quite difficult. If you have an extension that takes you out to about 18", rotating the engine is not a problem.
The compression of the engine doesn't seriously prevent rotation until you have some rotational speed. At the speed of a ratchet wrench (say 5 rpm), most of the air compressed will easily leak past the ring gaps. You can hear and feel the compression, but it's not limiting your capabilities. |
#40
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Quote:
__________________
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 |
#41
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I'm not convinced that turning it faster would give you any greater "feel". I'm of the opinion that it will either rotate with the available force from an 18" bar...........or it won't. I cannot see how you could possibly look for and find something that is partially restricting rotation.............
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#42
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Removed glow plugs and tried to turn but the engine didnt budge. There must be a piece of metal stuck between the chain and a tensioner.
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#43
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Agreed.
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#44
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Althought i used a small wrench and didnt apply much force as i dont want to damage it any more
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#45
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Go back and try to rotate it with a 18" ratchet or breaker bar. It's a GD engine...........not a piece of heirloom china!!!
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