Suburban Washer Fluid Reservoir Question
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CF Active Member
Joined: Jun 2020
Posts: 120
Likes: 14
From: Henderson NV
Suburban Washer Fluid Reservoir Question
I have a spare single pump windshield washer reservoir from a Chevy extra cab pick up. 2006.
My 2006 Suburban,with rear wipers, reservoir has dual pumps and leaks empty after a day.
There shouldn't be an issue just using the single pump reservoir and leaving the second pump plug just hanging. I never use the rear squirters or wiper.
Am I correct in my thinking?
My 2006 Suburban,with rear wipers, reservoir has dual pumps and leaks empty after a day.
There shouldn't be an issue just using the single pump reservoir and leaving the second pump plug just hanging. I never use the rear squirters or wiper.
Am I correct in my thinking?
CF Pro Member
Joined: Mar 2024
Posts: 668
Likes: 99
From: Huntsville, AL
I've got the same issue with my 2006 Silverado 1500. It leaks out all the washer fluid in about a day. However, I recently discovered this. I recently filled it, but did not activate the pump, and it held the reservoir full for a full week. I then activated it to clean the windshield, and it was empty within a day.
My speculation in my case is that the reservoir itself does not have a leak, which is what I was thinking, but that the pump or the line just past the pump has a leak. When the pump/line are dry, nothing leaks. Once you activate it and fill the line, siphon action causes it to gradually empty the entire reservoir.
It is really unfortunate how they buried that reservoir in there where it is extremely hard to get to without removing other things.
My speculation in my case is that the reservoir itself does not have a leak, which is what I was thinking, but that the pump or the line just past the pump has a leak. When the pump/line are dry, nothing leaks. Once you activate it and fill the line, siphon action causes it to gradually empty the entire reservoir.
It is really unfortunate how they buried that reservoir in there where it is extremely hard to get to without removing other things.
Thread Starter
CF Active Member
Joined: Jun 2020
Posts: 120
Likes: 14
From: Henderson NV
I've got the same issue with my 2006 Silverado 1500. It leaks out all the washer fluid in about a day. However, I recently discovered this. I recently filled it, but did not activate the pump, and it held the reservoir full for a full week. I then activated it to clean the windshield, and it was empty within a day.
My speculation in my case is that the reservoir itself does not have a leak, which is what I was thinking, but that the pump or the line just past the pump has a leak. When the pump/line are dry, nothing leaks. Once you activate it and fill the line, siphon action causes it to gradually empty the entire reservoir.
It is really unfortunate how they buried that reservoir in there where it is extremely hard to get to without removing other things.
My speculation in my case is that the reservoir itself does not have a leak, which is what I was thinking, but that the pump or the line just past the pump has a leak. When the pump/line are dry, nothing leaks. Once you activate it and fill the line, siphon action causes it to gradually empty the entire reservoir.
It is really unfortunate how they buried that reservoir in there where it is extremely hard to get to without removing other things.
Removed the tank. Leak testing the resevoir and it looks like it might not be the tank. That's what I get for just presuming without getting underneath and doing a detailed inspection. Probably just a leaking line
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Dec 8, 2022 1:24 PM
