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Old 06-20-2013, 07:07 PM   #1
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w/s washer leaks

We have an 05 GMC Duramax/Allison- The w/s washer will not hold liquid- Has anyone else had this problem and is it a DIY job? The washer container is plastic [ of course ] and is mounted in front of and below one of the 12 volt batteries- How does one expose the container to repair or replace the leaker? Any info is much appreciated as I really don't want to hire this job out- THANX in advance for all info- DD

Fulltiming since July 1, 1999 currently with a 2005 GMC Sierra 3500 cc drw towing a 2007 Jayco Eagle 341RLQS
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Old 06-20-2013, 08:32 PM   #2
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w/s washer leaks

Your line has a hole in it from battery acid.
If you crawl under the left front you can see the bottom of the tank you can take the hose off of the pump and pull it up from the top. Usually the plastic hose get holes in it and you can get some rubber hose that fits tight and repair it that way. Sometimes it is the pump that develops a crack in it.
If you have to remove the tank you have to take out the battery and the battery tray to get to all the bolts. It is easy as long as you don't over think it. Lol
Hope this helps.

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Old 06-21-2013, 06:02 AM   #3
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My 2006 GMC Company Truck did the same thing but it was the plastic washer reservoir that cracked on the bottom, got a new one and replaced it.
It is not that bad to change out but it is a PITA since you have to remove the battery.
Robert & Bale the "Traveling Dog"
2012 GMC 3500HD DRW
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Old 06-21-2013, 06:26 AM   #4
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I had a leak in the pump on mine early this year and also a hairline crack in the tank. This sounds like a common problem with age.

2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50C, TST Systems 507 TPMS, RV Flex Armor Roof
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