#1
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Rebuild Kit?
I bought a 740 with the d24, I discovered the motor is very sludgey, I want to take it apart and clean it, but figured I should rebuild it while im in there. anybody know of a rebuild kit for one? or do I have to hunt down every part individually?
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#2
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Sludgey as in coolant in oil?
Unfortunately, no "full engine rebuild kit" exists; you will have to assemble your needed items in bits and pieces.
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1985 744 gle d24t 1985 745 gle d24t |
#3
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the sludge doesn't look green tinted, and fresh antifreeze came out of the radiator. I think its just sludgey as in the oil wasn't changed as much as it should have been
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#4
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Unless it has problems resulting from the apparent sludge (loss of compression or oil pressure, chronic turbo failures, etc), if the engine is healthy otherwise you can probably take some steps to clean it up without taking it apart and save yourself a lot of work and hassle.
A motor oil lab analysis (Blackstone, etc) would also be a good idea if you are concerned about the contents of the oil. Not expensive and it will tell you about the presence of wear metals or any contaminants like coolant or fuel. If everything checks out well and you just want to get the inside of the engine cleaned up a little, doing a crankcase flush with diesel fuel will get you there, though it's a little tedious to do the repeated oil changes to get the fuel out afterwards. Tell us a little more about the car and its history, sounds like you have something interesting with a 1988 740 TD. Is it a converted gas car or imported from overseas? Welcome to the forum.
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86 745 D24T/ZF 345k lifted 2.5" 83 764 D24T/M46 155k |
#5
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Quote:
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#6
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Quote:
Quote:
Same for the oilpan-- why remove it? The bottom end on these engines is very robust. Really, the most common problems these engines encounter are: 1. Overheating warps the cylinder head; 2. Crank pulley not tightened to spec, loosens and causes piston/valve interference; 3. TB failure, causes piston/valve interference. 4. Running non- full synthetic motor oil wears the rings excessively. One thing we have started to notice is that cars that have been driven delicately and for low miles tend not to fare as well. Might be due to high ratio of warmup cycles to overall miles, never really getting the chance to fully warm up.
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1985 744 gle d24t 1985 745 gle d24t |
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