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06-04-2021
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I just registered
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Join Date: Apr 2021
Posts: 1 What Jeep do I drive?: WK
Likes: 0
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2015 WK over heating after turbo cooler hose replaced
Our 2015 WK 3 litre diesel has just done 190,000 klms mostly highway driving and its never played up. But we were served the turbo cooler hose crack issue. We had it replaced locally by a very good mechanic, he lifted the top of the engine and sorted the problem. I refit the cooling system hoses and have bled the system for 45 minutes three times with the heaters on flat out, it has a new thermostat fitted, I take the car out for a drive and within 15 minutes it over heats very quickly. Have checked all connections etc, the radiator hoses are as hard as rocks to squeeze when it does this and there is no loss of coolant. No water in the oil and no oil in the water. Have been working on this all easter with no good result, replace those stupid spring clamps on all connections with worm drive ones as well. Any one had this happen before assistance greatl y appreciated.
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06-04-2021
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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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Pointing to a gut full of air, pays to have the front of the jeep up high as possible( park on an incline, front on ramps so that all the air will bleed
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MY16 GC WK2
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06-04-2021
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Established Member
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Join Date: Jul 2015
Location: Adelaide
Posts: 2,081 What Jeep do I drive?: WK2
Likes: 2,509
Liked 991 Times in 632 Posts
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Yep, my WJ V8 was a pain in the balls to bleed too, I found it best on my driveway (incline) pumped all the air out, you gotta keep going until NO more air bubbles at all come through the system
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I drive over stuff!!!!
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07-04-2021
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MonsterMoose
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Join Date: Apr 2005
Location: QLD
Age: 70
Posts: 9,045 What Jeep do I drive?: WK2
Likes: 4,522
Liked 4,010 Times in 2,364 Posts
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Did the engine take the full amount of fluid if not then you still have some air in the system............ I have always filled as much as I can then run the engine and poured in as needed, the thing is the thermostat has to open so it will flow, once that happens the air will dispel otherwise its only a small hole to get through, if you have put in the right amount of coolant then I would say the thermostat isn't opening so its stuffed....
To test it get a pot of boiling water and drop it in, you should see the valve open....
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2015 WK2 CRD Laredo( ZG, WG 2.7 )
Your Never Too Old To Learn Something Stupid.
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07-04-2021
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RubiconSlammer
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Join Date: Dec 2017
Location: Melbourne
Posts: 1,289 What Jeep do I drive?: WK2
Likes: 1,429
Liked 1,285 Times in 682 Posts
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Faulty 'new' thermostats that stick closed are not uncommon, worth testing it if the bleeding has been done correctly and the problem still exists.
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MY13 GC Laredo CRD - gone but not forgotten
MY23 Skoda Octavia MKIV wagon - fully loaded
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08-04-2021
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Established Member
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Join Date: Dec 2018
Posts: 228 What Jeep do I drive?: WJ
Likes: 36
Liked 134 Times in 86 Posts
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I hope its an air lock because a blown head gasket can pull that trick. If further bleeding doesn't yield any results it might be time to get a combustion gas check done on the cooling system
Sent from my SM-A705YN using Tapatalk
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2011 GRAND CHEROKEE OVERLAND 5.7LT
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