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Old 03-20-2023, 09:54 PM #1
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What is this drain line?
Hello all,

Did some looking but couldn't find what this line is for. It seems clogged, and potentially could be contributing to an interior leak.

Thanks in advance
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What is this drain line?-screenshot_2023-03-20-18-53-55-87_965bbf4d18d205f782c6b8409c5773a4~2-jpg  What is this drain line?-screenshot_2023-03-20-18-53-59-80_965bbf4d18d205f782c6b8409c5773a4~2-jpg 
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Old 03-20-2023, 10:22 PM #2
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Sunroof?
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Old 03-20-2023, 10:22 PM #3
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Looks like a sunroof drain pipe to me
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Old 03-20-2023, 10:34 PM #4
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Isn't that for washer fluid? I thought the sunroof drains run straight down the A-pillars then through the floor, not across.
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Old 03-20-2023, 10:48 PM #5
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That is your rear window windshield fluid line. The sunroof lines run down the a and c pillers. Front sunroof into the rockers. Rear sunroof you see coming out quarters.

It's your rear peir. Along the passenger wiring.




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Old 03-20-2023, 10:48 PM #6
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Originally Posted by Ed_C View Post
Isn't that for washer fluid? I thought the sunroof drains run straight down the A-pillars then through the floor, not across.
You are correct.

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7 3rd gens listed in the build thread (2 are parts mobiles)
Build Thread: https://www.toyota-4runner.org/3rd-g...os-builds.html
Brillo's Bucket Fluid Ex changer: https://www.toyota-4runner.org/3rd-g...ml#post3358086
Sparks Plugs Wire and Coil Information: https://www.toyota-4runner.org/3rd-g...on-5vz-fe.html
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Old 03-21-2023, 12:05 AM #7
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Thank you brillo_76 and ed_c!

I forgot this truck even has rear wiper fluid!
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Old 03-21-2023, 12:14 AM #8
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Quote:
Originally Posted by brillo_76 View Post
That is your rear window windshield fluid line. The sunroof lines run down the a and c pillers. Front sunroof into the rockers. Rear sunroof you see coming out quarters.

It's your rear peir. Along the passenger wiring.




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Oh yeah I guess it wouldn't be a very effective drain if it was going horizontal along the bottom huh
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Old 03-21-2023, 12:46 AM #9
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Quote:
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Oh yeah I guess it wouldn't be a very effective drain if it was going horizontal along the bottom huh
Don't be too hard on yourself...:-) I completely tore apart 2 3rd gens....So that helps with recognizing what components are. :-)
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Brillo's Bucket Fluid Ex changer: https://www.toyota-4runner.org/3rd-g...ml#post3358086
Sparks Plugs Wire and Coil Information: https://www.toyota-4runner.org/3rd-g...on-5vz-fe.html
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Old 03-21-2023, 05:41 AM #10
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I can confirm it is the rear window washer fluid line. My rear window washer line broke and I found the leak by commanding fluid until water started leaking out, which it did right where your looking.
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