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sprinkles08
sprinkles08, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 22143
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Water leaking into car when it rains on the floor of the

Customer Question

water leaking into car when it rains on the floor of the back passenger side
JA: What part of the car is the leak coming from? And are you sure it's water?
Customer: i dont know it just shws up after it rains in that spot only
JA: What is the model/year of your Cadillac?
Customer: cts 2008
JA: Are you fixing your CTS yourself? What have you tried so far?
Customer: no
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 4 months ago.
Category: Cadillac
Expert:  sprinkles08 replied 4 months ago.

Hello and welcome to JustAnswer!

There are many possible sources for a water leak. It's possible that the issue could be found visually but water testing will likely be necessary. The issue could be a door seal or door that isn't closing properly, a crack or void in body or windshield/back glass sealer, it could be coming in through the trunk or if it happens when driving then it could be coming in through the floor, or it could be a sunroof issue. Water will often travel far from it's entry point to where it collects. One notable case I had was a void in windshield sealer that was causing water to collect only in the right rear floor.

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