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Search: Posts Made By: Blacksailsdive
Jeep Forums: WJ Grand Cherokee Forum   06-17-2021, 09:28 AM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
The heads pictured are new to me and were just...

The heads pictured are new to me and were just remachined although I think them to be the defect now. I know what you mean about the piston heads but trust me they were all the same color before I...
Jeep Forums: WJ Grand Cherokee Forum   06-16-2021, 10:12 AM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
Yes, probably hard to tell in the picture but I...

Yes, probably hard to tell in the picture but I cleaned all the gasket mating surfaces and razor blade scraped all of them clean followed up by some heavy degreaser.
Jeep Forums: WJ Grand Cherokee Forum   06-16-2021, 09:00 AM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
Finally got a chance to check out your guys...

Finally got a chance to check out your guys suggestions. Spent the morning taking everything back apart, did perform a pressure test on the coolant system which did not show the same leak in the...
Jeep Forums: WJ Grand Cherokee Forum   06-13-2021, 11:04 AM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
As well as the oil leak ^^^

As well as the oil leak ^^^
Jeep Forums: WJ Grand Cherokee Forum   06-13-2021, 11:03 AM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
So before the new heads were installed the issue...

So before the new heads were installed the issue was a misfire on #8 due to the rocker coming off frequently as well as one of the valves on #8 being on its way to dropping the seat. One of the...
Jeep Forums: WJ Grand Cherokee Forum   06-12-2021, 08:48 AM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
Brigrig, thats def a possibility ill dig a little...

Brigrig, thats def a possibility ill dig a little deeper but the sheer volume of coolant coming out makes me think more the new heads or like others have said something isnt quite sealed correctly....
Jeep Forums: WJ Grand Cherokee Forum   06-10-2021, 09:21 AM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
Wanted to make sure I worded everything...

Wanted to make sure I worded everything correctly, the coolant leak is heavy and def coming out of the exhaust manifold, the one thing I did notice before installing the new heads was that the bottom...
Jeep Forums: WJ Grand Cherokee Forum   06-09-2021, 08:07 PM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
Im assuming the heads were, ordered them from a...

Im assuming the heads were, ordered them from a reputable machine shop. Well its def leaking so I can probably skip the leak down test. There are small pin holes before and after the cats thats where...
Jeep Forums: WJ Grand Cherokee Forum   06-09-2021, 07:49 PM
Replies: 26
Views: 1,888
Posted By Blacksailsdive
Losing alot of coolant out of cats!

So long story short I got a free 4.7 GC from a buddy that needed a bunch of work, at 190k miles. I just finished installing new head gaskets after getting freshly machined heads for it. Everything...
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