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-   -   Coolant Leak - Need 2nd Opinions (http://986forum.com/forums/showthread.php?t=86402)

Spannerhead 10-15-2024 05:11 AM

Quote:

Originally Posted by theWalkinator (Post 663611)
I just replaced water pump and thermostat, while doing coolant flushing, I over filled distilled water and water dripped down in front of rear passenger side like you said, and water find a pathway somewhere.

The drain hose for the tank top area is the bottom of the 4 hoses that go through the bulkhead (the one without a hose clamp), and it drains into the wheel well area, but the outlet is more or less in line with the axle (if you remove the wheel, you can see it). Somewhat further back from where "my" car was dripping, but I suppose maybe it could have followed the chassis brace forward... I dunno. I'm not too concerned anymore since the issue seems to have been fixed.

Rob175 10-15-2024 07:18 AM

Just a suggestion......before you put everything back into the trunk I put paper towels down and drove the car up to temperature.......afterward I checked for leaks......once I verified all was dry I put everything back in and consider the problem solved.

Spannerhead 10-15-2024 09:07 AM

Quote:

Originally Posted by Rob175 (Post 663626)
Just a suggestion......before you put everything back into the trunk I put paper towels down and drove the car up to temperature.......afterward I checked for leaks......once I verified all was dry I put everything back in and consider the problem solved.

Good suggestion! That's exactly what I did before I reinstalled the trunk liner. Took it through 2 complete warmup cycles; no leaks.

Gilles 10-16-2024 01:58 PM

Quote:

Originally Posted by Spannerhead (Post 663601)
It's the original tank AFAIK, ~67K miles on the car.

Yes, but, how old is the car..? Plastic gets brittle with age, and also with UV exposure..

Starter986 10-17-2024 03:09 AM

Quote:

Originally Posted by Gilles (Post 663656)
Yes, but, how old is the car..? Plastic gets brittle with age, and also with UV exposure..

Not to hijack the thread... quick in and out here...

Believe it or not... I haven't driven the 91 in your direction coming up on two years this January. Still sitting on my small carport shelf, constantly to remind me, are the two pucks we left attached to the car when we (you?) replaced my transmission mounts.

I have not used them. At all. I tell myself, "They're not yours. Do not put any wear marks on them".

If you want to PM me your address (I lost it), I'll make some time to mail them to you.

Hope all is well over in your neck of the woods. Chat soon. :cheers:

Spannerhead 10-17-2024 04:54 AM

Quote:

Originally Posted by Rob175 (Post 663626)
Just a suggestion......before you put everything back into the trunk I put paper towels down and drove the car up to temperature.......afterward I checked for leaks......once I verified all was dry I put everything back in and consider the problem solved.

Yep; that's exactly what I did. Went through two complete heat cycles; no leaks. I considered it fixed.

Quote:

Originally Posted by Gilles (Post 663656)
Yes, but, how old is the car..? Plastic gets brittle with age, and also with UV exposure..

It's a 2002.

Rob175 10-24-2024 06:47 AM

My issue, before it was replaced, was my tank had hidden spider cracks in the back and bottom of the plastic (original 98").

As the cooling system got hot and pressure built up in the system those spider cracks would slightly expand and leak. The leaks were never extreme but slowly, over a few drives the amount of coolant would accumulate enough liquid in my rear trunk (under the removable composite raised floor), that it would eventually find an opening or seam to drip onto the garage floor.

Best advice is to to keep checking just to make sure it's really not leaking anymore.

Good luck!


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