Hyundai D4BF engine install

Does your Mitsubishi L300 make a strange noise? Need wheel alignment specs?
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Growlerbearnz
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Hyundai D4BF engine install

Postby Growlerbearnz » Wed Oct 11, 2017 10:22 pm

joebillhill wrote:Woo! Nicely done growlerbear! I'm curious how your tachometer troubleshooting goes as mine is about 1k slower than it should show all the time


Mine did that for a while. turns out the needle had slipped on the shaft- with the engine off the needle should sit on the lowest mark, not off the bottom of the dial. I pulled it off, applied some thread locker, and reinstalled.

Though I'm probably going to have to pull the needle off again soon.
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Hyundai D4BF engine install

Postby Growlerbearnz » Wed Oct 11, 2017 10:34 pm

...And it drives!

First impressions: it idles really smoothly, and it's much quieter than the old engine. Something to do with the pistons going up and down rather than side to side I think ;-). The diesel clatter stands out as the loudest noise it makes, where before it was about as loud as the general mechanical cacophony.

It's been a long time since I drove a stock L300, so I don't know if it's more powerful or not. As it was supplied it made 8psi, produced no exhaust smoke *at all*, and the lowest air:fuel ratio I saw was 25:1.

Of course I'm fixing all that. I'm up to 17psi, 18:1 AFR, and still only a touch of smoke on acceleration, and it's *much* better. I'll keep working on it.
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Hyundai D4BF engine install

Postby Growlerbearnz » Thu Oct 12, 2017 4:57 pm

Tachometer issue resolved!

The black wire from the sensor on the IP needs to be connected to earth. On Mitsubishi's engine this is done in the short IP loom, before it even gets to the IP connectors. Hyundai does it elsewhere. Simply remove the Hyundai IP loom, find the two black wires (tachometer sensor earth and IP earth) and connect them together.

:-D
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Growlerbearnz
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Hyundai D4BF engine install

Postby Growlerbearnz » Sun Oct 15, 2017 11:57 pm

And the final touch: new drivetrain mounts all round. The old engine mounts were badly collapsed, the transmission mounts had splits, and the upper transmission mounts were very saggy.

Mounts.JPG
Mounts.JPG (51.53 KiB) Viewed 40 times


New mounts have made a huge difference. No more knocking noise when turning the engine off, vibration at idle has almost disappeared, as has the slight shudder on takeoff. :-D
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Hyundai D4BF engine install

Postby Morgonzo » Mon Oct 16, 2017 5:19 am

That's some inspiring stuff GBNZ :-D . It's crazy to see how much those old motor mounts had compressed. How long do think this swap has taken you from start to finish?
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Hyundai D4BF engine install

Postby Sylquebec » Mon Oct 16, 2017 9:48 am

Thanks for that post. Really inspiring

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Hyundai D4BF engine install

Postby Growlerbearnz » Mon Oct 16, 2017 1:04 pm

Morgonzo wrote:How long do think this swap has taken you from start to finish?


The engine swap took 10 days total, though it probably would have been faster if the van didn't have quite so many modifications.

I'd budget 2 days to remove the old engine, 3 days to swap all the bits from the old engine onto the new one, a day for cleaning the engine bay and flushing out the radiator and oil cooler, and a couple of days to install the new engine.
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