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Here’s a picture of the insert fix…this is the top left bolt if looking at the front of the T-stat housing.

The good news is that I managed to get it to work! The epoxy did NOT hold. What I was able to do was use slightly longer screws and put a small nut on the opposite side. It wasn’t easy finding nuts in my stash that would clear in the back. Once I was able to get the nut on and tight on the...

Thanks! Of course, when I went to torque the other two T-stat bolts, those inserts gave and had to epoxy those. I also ordered a new one from FPG. This is my third Motorcraft outlet cross pipe.

I ended up getting a metal water pump gasket from my local Jag dealership. Cost me the British luxury price of $31 but at least I know it’s right. Now, I have discovered the true source of my issue. As I was assembling parts, I see this slight crack in my cross pipe. Ugh! This only has...

Look around the entire cooling system for any white coolant stains. Sometimes there are micro leaks that will occur. The other thing is to make sure you bleed the system with the nose of the car lower than the rear, IOWs put the rear wheels on ramps if you have to.

I replaced my thermostat when I thought my issue was with the thermostat. I also saw coolant stains from around the water pump. Previously, I had replaced the pump with one of the metal propellor types from Christopher (I understand he passed away earlier this year...: (). I fortunately...

Most likely the degas bottle...you need this... Definitive GEN 2 Cooling System Thread

Before I start this, the entire cooling system has been replaced less then 25k miles ago. I even put a larger radiator in and a water pump with the metal impellor. The system had run perfectly during the summer with 120degree weather sitting in LA traffic. This morning while taking my spawn...

Yes...more pictures! And a few questions... What does these mean? and I'm trying to picture this... I have all red LSE rears on my 2004 but not sure of the difference between Japanese, Euro, and American.

Will do…regardless…it appears to be functioning properly and I’m very pleased that I figured out the fan issue. One other thing I discovered while replacing the water pump was that the screws mounting it to the block were not tight at all. The hack that installed it (your truly), has a...

I got the new water pump (with metal impeller) installed. I did see spots where coolant had made its way out. The existing gasket, although it was only 3-4 years old. When I was bleeding the system (Front slanted down, of course) I noticed that the fan wasn’t going on…even when I switched...

Which O-ring? The 9N499 neck into the crossover?

Only connected them with coolant.

Well, I’m back at this…driving around town and even a long trip - 100 miles each way - everything is great. Yesterday, I have do a one day round trip up to Sacramento. Driving home from LAX on the 405 is a nightmare…sitting in bumper to bumper traffic. All of a sudden the ETC fail safe light...

Open the cap and look inside.

Couldn’t you also mark the inside of the bottle? Of course you could only check it when the car is cold…

I just put new seals in my crossover and the 9N499 neck. They were OEM Motorcraft from Rockauto and one from my local dealership. The Rockauto seals had dates of 2011 on the package. We appear to be getting to the end of OEM parts and those parts have been sitting for a while. Hopefully...

All back together and only took two rounds of bleeding with the nose down… Pretty sure the culprit was the 9N499 to crossover O ring. What came to mind was a play on a Queen song…Flat Bottom Girl. I did clean and polish the crossover to block connections. Temp is staying under 200 on the...

Exactly...I have replaced the 9N499/block O ring twice! My initial thinking is to replace all of the O-rings/ seals in the cross over and 9N499 and put in one of the Jag water pumps with the metal impellers. In terms of O-rings, there are 5: (taken from GenII LS8 Cooling System Overhaul) *...