WG 2.7CRD - Oil in Coolant Bottle?? - Page 2 - AUSJEEPOFFROAD.COM Jeep News Australia and New Zealand


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Old 11-02-2019
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Going to call the local MB parts place to see if they have the seal available. Just so I can be prepared, does anyone know the engine model number in MB language? Wiki tells me it's a OM612. Thanks.

Update; Don't worry about that, the MB guys say there's a few varieties of that engine so they needed more detail which I can't give them. The cooler part number is a Jeep number which they can't relate to. I gave them the MB part number of A6111840280 for the seal and they were happy with that and have one in stock for $7.55. Very happy with that price so I'll be picking it up this morning and then ordering the cooler from OS shortly after. They did find the correct cooler based on the seal but price was $370 so declined that offer. I've placed an order with RockAuto for the cooler at $44USD and opted for expedited shipping at $33USD (standard only $12USD), pretty good pricing all up. Hopefully they all mate together with no issues.
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Old 11-02-2019
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If it all goes together, perhaps update the "everything 2.7 CRD" thread with the part numbers?
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Old 11-02-2019
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Quote:
Originally Posted by JeanLuke View Post
If it all goes together, perhaps update the "everything 2.7 CRD" thread with the part numbers?
For sure.

As to flushing out the cooling system, my cooler won't turn up until later this week. I'm thinking it would be a good idea to flush out the system before I install the new one. To do this I'd drain the current coolant/oil, refill with water (filtered) and degreaser, then run motor for say 15 minutes, allow to cool sufficiently to then drain again, and repeat 3 times before draining to install new cooler. Any reason to not do it before the new cooler is in? I understand there is currently a leak between oil system and coolant system but it appears to be a one way leak. So possibly I'm better off not taking that risk and just draining the existing coolant/oil before replacing the cooler. Happy to hear others thoughts on it.
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Old 11-02-2019
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Be careful with the choice of degreaser. What will it do to hoses and seals?
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Old 11-02-2019
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Quote:
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Be careful with the choice of degreaser. What will it do to hoses and seals?
CT14. Used many times by those with this problem previously.
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Old 11-02-2019
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Quote:
Originally Posted by indiedog View Post
For sure.
Any reason to not do it before the new cooler is in? I understand there is currently a leak between oil system and coolant system but it appears to be a one way leak. So possibly I'm better off not taking that risk and just draining the existing coolant/oil before replacing the cooler. Happy to hear others thoughts on it.
I'd reckon you'd pump more oil into the cooling system as you still have a faulty cooler installed.

I'd be inclined to wait to clean the system until after the new cooler is installed. While you're working on the cooling system, it may be a good idea to replace the water pump if the k's are getting up there. Mine was rooted at 240,000km FWIW.
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Old 11-02-2019
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I also vote for cleaning the system after replacing the oil cooler.
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Old 12-02-2019
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Agree with Bodgie, my water pump gave out at 220k also,but lucky i noticed coolant drips before it went bang.
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Old 12-02-2019
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This is the pump I purchased, good quality/price:

https://www.precisionintl.com/Catego...=35&Engine=873

The Part Number is WP5942G

Jason
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