![]() |
|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
![]() ![]() |
![]() |
Marcel Aircooled |
![]()
Post
#1
|
Newbie ![]() Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe ![]() |
Just have my 73 914 for a month and learning every day. I noticed a few times that there was some fluid/water at the nozzles of the windshield washer system even though I did not use the system but did not pay much attention to it. Yesterday it was quite warm here and I parked my 914 in the sun and when I moved it I saw a wet spot were I had parked at the right front. I also noticed some spill at the nozzles again and did some further inspection. Looking at the front trunk I found that water/fluid had run into channel for the rubber and after removing the rubber I found that it was wet at many spots and some water had build up in the corners. It looks like this has been an issue for quite a while already because the paint was coming loose in the channel and some rust has formed. Maybe has to do with pressure building up in the washer tank due to the heat? So now I removed the loose paint from channel and will use some rust converter and paint the channel again.
Here's the channel with the paint removed ![]() My question is if this leak from the nozzles is common and if there is a (easy) fix? I don't want to have the same rust issue returning obviously. Here's a pic of my washer set up ![]() It looks like it works with a pump and not with the pressure from the spare tire. I can empty the washer tank to prevent from leaking now but prefer a solution where I will be able to use the window washer system. Any advise will be greatly appreciated. |
FlacaProductions |
![]()
Post
#2
|
Senior Member ![]() ![]() ![]() Group: Members Posts: 1,628 Joined: 24-November 17 From: LA Member No.: 21,628 Region Association: Southern California ![]() ![]() |
I would look to see that you have the proper check valves in the fluid tubing route - and that they're operating. They can get crusty...
|
SirAndy |
![]()
Post
#3
|
Resident German ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Admin Posts: 41,688 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California ![]() |
It looks like it works with a pump and not with the pressure from the spare tire. I can empty the washer tank to prevent from leaking now but prefer a solution where I will be able to use the window washer system. Any advise will be greatly appreciated. Am i correct to understand that your system has been converted to use an electric pump? If so, the tank needs to be vented. If not, it will build pressure when getting warm to the point that fluid could drain out the nozzles. It also means the pump will have a hard time pumping fluid since it will have to work against a vacuum in the bottle. The /4 bottle with its check valve in the cap was never designed to work with an electric pump. See this tech article for my (admittedly crude) solution to that problem: http://www.914world.com/specs/tech_el_washer.php (IMG:style_emoticons/default/popcorn[1].gif) |
Marcel Aircooled |
![]()
Post
#4
|
Newbie ![]() Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe ![]() |
|
Marcel Aircooled |
![]()
Post
#5
|
Newbie ![]() Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe ![]() |
It looks like it works with a pump and not with the pressure from the spare tire. I can empty the washer tank to prevent from leaking now but prefer a solution where I will be able to use the window washer system. Any advise will be greatly appreciated. Am i correct to understand that your system has been converted to use an electric pump? If so, the tank needs to be vented. If not, it will build pressure when getting warm to the point that fluid could drain out the nozzles. It also means the pump will have a hard time pumping fluid since it will have to work against a vacuum in the bottle. The /4 bottle with its check valve in the cap was never designed to work with an electric pump. See this tech article for my (admittedly crude) solution to that problem: http://www.914world.com/specs/tech_el_washer.php (IMG:style_emoticons/default/popcorn[1].gif) Thanks Andy, you might be on to something. Yes, one of the POs added an electric pump to the window washer system. Not sure why because unfortunately I do not have any history on the car. I don't think they thought of any vent solution but will try to have a closer look tomorrow. Will look at the tech article but might decide to convert back to the original spare tire system. |
Marcel Aircooled |
![]()
Post
#6
|
Newbie ![]() Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe ![]() |
Here's a close up of the electrical pump that was added. It looks like an aftermarket pump and not standard.
![]() I read the tech article from Andy and if I understand correctly to have the pump working and not build up too much pressure I need to have an extra vent hole in the bottle cap. This is what my cap looks like now ![]() So it looks like I need to drill the additional hole. Can I just drill between the "hp" and "5" close to the valve in the picture? Do you think this would solve the issue with the washer system leaking from the nozzles? Thanks for the help! |
Marcel Aircooled |
![]()
Post
#7
|
Newbie ![]() Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe ![]() |
Double post
|
SirAndy |
![]()
Post
#8
|
Resident German ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Admin Posts: 41,688 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California ![]() |
It's been 18 years since it did this so forgive me if my memory is a bit foggy.
I don't remember what the back side of the cap looks like. I drilled mine next to the old inlet with the check valve, i'm sure there was a reason why i picked that spot. (IMG:style_emoticons/default/idea.gif) (IMG:http://www.914world.com/specs/el_washer/el_washer_03.jpg) |
friethmiller |
![]()
Post
#9
|
Senior Member ![]() ![]() ![]() Group: Members Posts: 516 Joined: 10-February 19 From: Austin, TX Member No.: 22,863 Region Association: Southwest Region ![]() ![]() |
I have an electric pump and, like Sir Andy, I don't remember all the details but I do remember drilling out the hole in the cap. The other problem that I had was that I only had a check-valve at the "T", which allowed it to leak on one side. I ended up buying another inline one to solve that problem.
|
Marcel Aircooled |
![]()
Post
#10
|
Newbie ![]() Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe ![]() |
|
Marcel Aircooled |
![]()
Post
#11
|
Newbie ![]() Group: Members Posts: 41 Joined: 28-April 24 From: The Netherlands Member No.: 28,087 Region Association: Europe ![]() |
Drilled the hole in the same spot as Andy did. So no way back now (IMG:style_emoticons/default/biggrin.gif)
Window washer with the electrical pump was working already without the additional hole and still works now (very good woth the pump) so fingers crossed the system will not leak from the nozzles anymore now! Thanks everyone for the advise! ![]() |
davep |
![]()
Post
#12
|
914 Historian ![]() ![]() ![]() ![]() ![]() Group: Benefactors Posts: 5,157 Joined: 13-October 03 From: Burford, ON, N0E 1A0 Member No.: 1,244 Region Association: Canada ![]() ![]() |
I designed and 3D printed a bunch of discs to replace the valve in the washer bottle cap. This disc has 4 small holes for venting, but small enough that little can enter other than air. Being 3D printed the disc is somewhat porous already.
|
![]() ![]() |
![]() |
Lo-Fi Version | Time is now: 16th June 2024 - 12:19 AM |
All rights reserved 914World.com © since 2002 |
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |