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16-02-2023
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Lowranger Shocker
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Join Date: Jun 2009
Location: yamba 2464 nsw
Posts: 1,606 What Jeep do I drive?: WH
Likes: 530
Liked 848 Times in 475 Posts
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Quote:
Originally Posted by FARWEST
Is it the water pump ???....looks like the leak 'may' be coming from the gasket at the top of that 'blanking plate/mounting bracket' ????....will have a google of the engines n see whats in that area
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Not dripping down from thermostat housing! This is a common problem ,not when hot but cold!
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16-02-2023
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Rock Munki
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Join Date: Aug 2022
Location: West Coast SA
Posts: 2,453 What Jeep do I drive?: WK
Likes: 2,202
Liked 1,330 Times in 766 Posts
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Looks like bjm has a possibilty there Le Cheese...google gave me everything from the fact that these engines are also in Maseratti Gehelleti (or sumtin like that...wont be buyin a Masserati so if its spelt wrong duznt matter) to all the HP ratings n emissions bits fitted to the US Ecodiesel...but...a schematic diagram of the engine was not found....thinking bjm has your answer as its a 'common' problem from his input...will have to check mine !
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WK2 MY13 CRD LIMITED
Only dumb people think their smart...rest of us learn everyday
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16-02-2023
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Full Flexer
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Join Date: Dec 2011
Location: Brisbane, QLD
Posts: 839
Likes: 263
Liked 684 Times in 382 Posts
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Quote:
Originally Posted by bjm
Not dripping down from thermostat housing! This is a common problem ,not when hot but cold!
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Looks like you could be onto something - will do some further investigating! Cheers mate
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2015 GC Limited Diesel w/ QL and ORA pack
Chief recovery points, 22" Stedi lightbar, Catch Can
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16-02-2023
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Full Flexer
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Join Date: Dec 2011
Location: Brisbane, QLD
Posts: 839
Likes: 263
Liked 684 Times in 382 Posts
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Doesn't look to be coming from the thermostat housing - BUT that little black tube IS part of the water pump, and is called the 'water bypass tube'. Has two little o-rings that apparently can go bad. Good news is that it really isn't a major, bad news is I still have to wait another week til it's in for a big service where I'll get it fixed up.
Cheers for pointing me in the right direction BJM and Farwest. Just when you think that surely you know just about everything that can go wrong in these beasts, something different pops up.
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2015 GC Limited Diesel w/ QL and ORA pack
Chief recovery points, 22" Stedi lightbar, Catch Can
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16-02-2023
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Lowranger Shocker
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Join Date: Aug 2015
Location: Hervey Bay Qld
Posts: 1,605 What Jeep do I drive?: WK2
Likes: 1,848
Liked 1,157 Times in 612 Posts
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[QUOTE=LeCheese;1689980]Update on the coolant - seem to have found the source... top of the engine. Someone remind me what I'm looking at here?
Just for good measure, check that the little bleed screw on top of the thermostat housing hasn't loosened...if it is it coolant will run down the side of the outlet...
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CJ5, CJ7, XJ Sport, WJ HO V8 Overland, WH Hemi V8 Overland, 14 WK2 CRD Laredo-RIP, 15 WK2 CRD Laredo
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16-02-2023
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Full Flexer
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Join Date: Apr 2020
Location: Somewhere in Lake Macquarie
Posts: 848 What Jeep do I drive?: WK2
Likes: 829
Liked 775 Times in 403 Posts
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Quote:
Originally Posted by LeCheese
Update on the coolant - seem to have found the source... top of the engine. Someone remind me what I'm looking at here?
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Coolant Bypass hose weeping
https://www.ebay.com.au/itm/39436410...EaAsDnEALw_wcB
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MY16 GC WK2
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23-02-2023
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Full Flexer
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Join Date: Dec 2011
Location: Brisbane, QLD
Posts: 839
Likes: 263
Liked 684 Times in 382 Posts
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Brains trust spot on as usual - coolant bypass tube has a sporadic leak. During the service today it was pressure tested and it didn't leak, so I'll pick one up from eBay or RockAuto and fit it over the next few weeks.
Another question for the brains trust: I had the auto service done today, and it appears the mechanic didn't do the full ZF procedure of flushing then refilling, as I had 4.5L of ZF8 fluid returned to me..... Not thrilled about that at all, and didn't realise until I was home and looked in to boot.
So, the question - do I go to a ZF specialist and ask them to dump what's in there and refill, hold onto the 4.5L and do it in 50k or so if I've still got the car, or sell the remaining bottles and make something back on that liquid gold?
__________________
2015 GC Limited Diesel w/ QL and ORA pack
Chief recovery points, 22" Stedi lightbar, Catch Can
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