Thread: Problem!
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Old 12-28-2020, 08:02 AM   #8
Rob175
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Join Date: Apr 2013
Location: Lincolnshire, IL
Posts: 446
Pull the trunk carpet and the raised trunk flooring (underneath the carpet) to get to the metal trunk floor. Then you'll be able to REALLY tell if the expansion tank is leaking. In my case, the old (98') expansion tank developed spider cracks on its bottom that were not visible. When the car came up to temp and the coolant system became pressurized the spider cracks would expand and leak. Eventually the coolant would find it's way to my garage floor. Not a lot on the floor but enough to indicate a leak..........bottom line pull everything out of the trunk to expose the metal trunk floor.
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