360 coolant leak

Your heat exchanger is back there, the thermostat is in the front, just right to your arrow.

 

First thing is to check your coolant reservoir to see if you see any oil residue in your coolant. If so, stop driving immediately. Then you can further your investigation into the leak.

 

Judging by the pic of the engine on a pallet I suspect he stopped driving the car already.

 

I’d suggest re-reading the initial post.

 

Definitely use whatever method to look under the intake plenum .. there is a few clamps , a water temp sensor etc that can be causing the leak .. just try to wipe everything off and then see where it is coming from

Look at a parts diagram to see all the different clamps , parts that are under there to see what to look for ..if that helps

Also as mentioned above , a freq problem is the heat exchange goes and the gearbox oil mixes with the antifreeze .. that will be shown in more so in the gearbox oil but also can see that in the coolant reservoir. When the exchange goes ..it goes internally so no leak outside of it ..so even if you have one it doesn't mean you have the other

Start by look where it is coming from ..use your endoscope and little mirrors etc

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Historically one of the first visible symptoms of a failing heat exchanger is coolant on the floor. Happened to several on this forum and is usually their first sign that something is wrong.

 

That is usually causes by overflow from the gearbox or overflow from coolant reservoir due to coolant mixture causing pressure overflow iirc

But OP should check as you said but also not jump to that conclusion until he does a good visual, checks gear oil etc as mentioned above

But the telltale sign is the oil in the gearbox if an exchange fails ..the pressure of the coolant pushes it's way into the gearbox oil

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Look like it is coming from the rubber sleeve on the end of the heat exchanger ..it could be as simple as the clamp around that rubber sleeve is not tight

Like all leaks sometimes what you see may not be it since it travels but it does sure look like that from you pics

I attached a pic to show what I referring to Image Unavailable, Please Login

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I would try it .. you will know immediately if you see the clamp is loose

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I would say 30 mins is enough but remember heat plays a factor here so if you don't see anything for 30 mins I would then drive it up to temp and also look ..

I would say after one "hot" drive and no leaks you should be fine

Glad you found the issue

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Any updates

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Not sure what happened there ..could be the rubber has a split in it. At this point need remove and check both the rubber and the mating surfaces ( heat exchange lip)

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