GMC Savana Washer System Fails Despite Full Fluid Tank

Had the same issue last year with my 2005 GMC Sierra. The dashboard light kept showing low washer fluid despite having a full tank. The problem turned out to be simpler than expected. First checked the wiper fluid tank for cracks, none found. The main issue was debris clogging the washer fluid lines and a faulty fluid level sensor. The spray jets were completely blocked with mineral deposits and dirt. The repair involved: Cleaning the washer fluid lines with compressed air, Replacing the faulty fluid level sensor, Unclogging the spray jets, Testing the washer pump motor The windshield washer system started working perfectly after this maintenance. It was not a serious repair, mostly cleaning and basic parts replacement. The warning light disappeared immediately after fixing the sensor. Worth checking if your spray jets are blocked first, try cleaning them with a pin. If the pump makes no sound when activated, it might need replacement. These symptoms often appear together in GMC models from that era.

Thanks for the detailed explanation on fixing the washer fluid system. My issue ended up being the washer motor which completely died, no sound or movement when activated. The spray jets were actually fine in my case. Just curious, do you remember roughly how much you paid for all those repairs? My system has been working flawlessly for about 6 months now after the fix, but I wonder if I should keep an eye on anything specific to prevent future problems. The windshield cleaning system is pretty critical for safe driving, especially at highway speeds.

Sure thing, total repair was pretty reasonable at 25 Euro, mainly for fixing the low fluid warning light and cleaning the wiper system components. Since getting it sorted at the shop, the windshield washer works perfectly and that annoying warning light finally stopped coming on. Regular maintenance really helps prevent these issues. Make sure to use quality washer fluid and run the system at least weekly to keep the spray jets clear. In winter, using proper winter-grade fluid prevents freezing which can damage the pump and lines. The motor failure you experienced is actually more common than sensor issues. When you hear any unusual sounds from the washer pump, that is usually the first sign it might need attention soon. Catching these symptoms early typically means simpler repairs. Since your motor was replaced, your system should be good for many years. Just keep the fluid topped up and the spray jets clean for optimal performance. The windshield washer system is indeed crucial for safe driving, especially when dealing with road grime and insects.

I took it to my local shop yesterday and they diagnosed the washer motor failure right away. Total repair cost was 180 Euro including parts and labor, not as bad as I feared after my previous expensive repair experiences. The mechanic showed me the old motor which was completely seized up. The warning light is now gone and the windshield cleaning system works perfectly again. They also cleaned out the spray jets while they were at it, though they were not the main problem. The mechanic mentioned these motors typically last 8-10 years, so the timing made sense for my 2008 model. Will definitely keep an eye on any strange noises from the washer system in the future and make sure to use quality washer fluid. Good to have this sorted before winter driving conditions hit. Thanks for helping me understand what I was dealing with before heading to the shop, saved me from getting overcharged again.