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						Super Moderator Swaggie
					
					
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						My son's D4 seized engine was a seized big-end next to a failed main bearing, with the big-end failure likely due to metal from the main bearing travelling to the big-end but possibly due to low oil pressure at the big-end or a combination of both.
The replacement engine is having its bearings replaced with tri-metal bearings. The original sputter bearings rely on a hard-wearing but very thin film over a soft aluminium and tin compound. One main bearing of the replacement engine (only 120K kms since new in 2011) has slight 1-sided wear indicating that the journal is slightly tapered. This is a crankshaft manufacturing / machining fault but which the mechanic considers acceptable with tri-metal bearings and doesn't warrant grinding or replacing the crankshaft. I wonder if the original engine had the same issue.
MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
VK2HFG and APRS W1 digi, RTK base station using LoRa
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						SupporterPart of me wants to say.... " It doesn't cost much to grind a crank once it's out".
But I won't.
I don't know what I'd do tbh.
I had a TD5 block decked once, we had to put the timing cover back on to get it done.
Bizarrely enough they couldn't pick all the timing cover up when they did it.
They said they couldn't do any more, but at least it was better than when it left the factory!
No wonder they get leaks, I've always wanted to get a rocker cover done to see if that helps.
 Swaggie
					
					
						Swaggie
					
					
						Can't hold-up proceedings at this point to get the crank ground and it's unlikely to ever be an issue anyway now that it has tri-metal bearings rather than sputter bearings with their soft underlay.
MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
VK2HFG and APRS W1 digi, RTK base station using LoRa
*$10 - $15K - A 2.7 out of a territory into a D3 2.7 or a D4 2.7, basically swap the engine support frame, sump ancillary brackets etc. (a disco is worth say round $10K)
*$20 - $25K - A 3.0 used fitted into a D4 3.0 (a D4 3.0 is worth $10K - $25/30K)
*$20K (is only my own guess) - A 2.7 used fitted up as a 3.0, you are stripping a 2.7 leaving just the bottom end and the heads, everything else has to be swapped over, after doing 2, for me the labour is excessive compared to fitting a used 3.0, i'm not doing them for that reason.
*I'm sure there will be workshops that will do the above prices cheaper.... or dearer.
at least 2 businesses in the U.K are fitting bmw m57 diesels to D4, and at least 2 are offering all the parts required to do the job, I couldnt see any that are offering a complete kit,
I think I read one doing it for $7K British pounds, i'm guessing plus the cost of an engine?
3.0 v6 out of a ranger, I've pointed out that until someone strips a 3.0 v6 ranger engine to see how the oil separator and re-breather is in the block, then you are not going to know if its going to work or not.
From everything I can see the heads look the same, engine mount holes on one side of the block looks the same, the other side i'm not sure, perhaps the holes look too far forward, but I dont know. As used the engines are round $15K for a very low mileage, its too much for me to buy one just to see.
Regards
Daz
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