How to Remove And Replace the Wiper Door Vacuum Control Solenoid
02-24-2017, 04:34 PM
#1
Le Mans Master
Thread Starter
How to Remove And Replace the Wiper Door Vacuum Control Solenoid
This is a How do you do it question.
Now let me assure you I searched the forum and got a ton of threads back. Most I could see were replacing the unit and wiring and hose hook up posts. But did not find how they went about getting to the unit.
My bud has a 72 C-3 with a Stuck up in the air wiper door. We have all the diagrams from Doc Rebuild and traced the problem back and it seems it is the Wiper Door Vacuum Control Solenoid. We can't get to it for testing so he just wants to throw money at it and install a new one.
But Wait....It's mounted on the rear of the Tach...!!!
So the question here which i couldn't find is........What is the easyest way to get to this unit with out taking the dash apart. I'm sure ...I mean I'm really sure that one of you genuineness's figure out a way to get this thing out with out pulling the dask...
This is like the Star Trek Ko-be-ash-y Ma-ru thang
One of you guys or several are smart as a whip and I bet will come up with a Novel way. Or direct me with link to this which I'm sure has been asked. This is also Posted under Tech/Performance.
Thanks In advance:
Now let me assure you I searched the forum and got a ton of threads back. Most I could see were replacing the unit and wiring and hose hook up posts. But did not find how they went about getting to the unit.
My bud has a 72 C-3 with a Stuck up in the air wiper door. We have all the diagrams from Doc Rebuild and traced the problem back and it seems it is the Wiper Door Vacuum Control Solenoid. We can't get to it for testing so he just wants to throw money at it and install a new one.
But Wait....It's mounted on the rear of the Tach...!!!
So the question here which i couldn't find is........What is the easyest way to get to this unit with out taking the dash apart. I'm sure ...I mean I'm really sure that one of you genuineness's figure out a way to get this thing out with out pulling the dask...
This is like the Star Trek Ko-be-ash-y Ma-ru thang
One of you guys or several are smart as a whip and I bet will come up with a Novel way. Or direct me with link to this which I'm sure has been asked. This is also Posted under Tech/Performance.
Thanks In advance:
02-25-2017, 06:51 AM
#2
Dementer sole survivor
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One choice Mr Kirk, is to take out the drivers seat, lie on your back with a flashight next to your head pointing up at the tach with one arm placed strategically so that you might be able to operate a small ratchet or nut driver. It'll be a pain and create some pains.
The second choice is to receive the replacement, unplug the hoses/ wires and plug them into the new uninstalled unit. Run a ground jumper to a new ground and test it to see if it works before replacement, same contorted position as step one
The third choice is to drop the steering column, pull the dash, replace all the bulbs, any broken switches, pull the tach and speedo to replace the scratched clear plastic face, the bulbs in the the gauges, anything else you find back there while your at it. If you leave the steering wheel attached you may want to remove the seat.
Have fun!!!
The second choice is to receive the replacement, unplug the hoses/ wires and plug them into the new uninstalled unit. Run a ground jumper to a new ground and test it to see if it works before replacement, same contorted position as step one
The third choice is to drop the steering column, pull the dash, replace all the bulbs, any broken switches, pull the tach and speedo to replace the scratched clear plastic face, the bulbs in the the gauges, anything else you find back there while your at it. If you leave the steering wheel attached you may want to remove the seat.
Have fun!!!
02-25-2017, 08:11 AM
#3
Team Owner
Replacing the wiper door vacuum control solenoid most always turns into a frame off restoration. 
02-25-2017, 09:07 AM
#4
Burning Brakes
That part is difficult to remove and should probably be at the bottom of your list of parts that are causing the problem.
I did have my solenoid out to bench test it and it is good. It can be removed if necessary, on your back, seat in (depending on your size) dash Not apart.
To figure out your the likely culprits, search for posts by DAVE J and DUB for solutions and Wilcox for the parts.
I did have my solenoid out to bench test it and it is good. It can be removed if necessary, on your back, seat in (depending on your size) dash Not apart.
To figure out your the likely culprits, search for posts by DAVE J and DUB for solutions and Wilcox for the parts.
This is a How do you do it question.
Now let me assure you I searched the forum and got a ton of threads back. Most I could see were replacing the unit and wiring and hose hook up posts. But did not find how they went about getting to the unit.
My bud has a 72 C-3 with a Stuck up in the air wiper door. We have all the diagrams from Doc Rebuild and traced the problem back and it seems it is the Wiper Door Vacuum Control Solenoid. We can't get to it for testing so he just wants to throw money at it and install a new one.
But Wait....It's mounted on the rear of the Tach...!!!
So the question here which i couldn't find is........What is the easyest way to get to this unit with out taking the dash apart. I'm sure ...I mean I'm really sure that one of you genuineness's figure out a way to get this thing out with out pulling the dask...
This is like the Star Trek Ko-be-ash-y Ma-ru thang
One of you guys or several are smart as a whip and I bet will come up with a Novel way. Or direct me with link to this which I'm sure has been asked. This is also Posted under Tech/Performance.
Thanks In advance:
Now let me assure you I searched the forum and got a ton of threads back. Most I could see were replacing the unit and wiring and hose hook up posts. But did not find how they went about getting to the unit.
My bud has a 72 C-3 with a Stuck up in the air wiper door. We have all the diagrams from Doc Rebuild and traced the problem back and it seems it is the Wiper Door Vacuum Control Solenoid. We can't get to it for testing so he just wants to throw money at it and install a new one.
But Wait....It's mounted on the rear of the Tach...!!!
So the question here which i couldn't find is........What is the easyest way to get to this unit with out taking the dash apart. I'm sure ...I mean I'm really sure that one of you genuineness's figure out a way to get this thing out with out pulling the dask...
This is like the Star Trek Ko-be-ash-y Ma-ru thang
One of you guys or several are smart as a whip and I bet will come up with a Novel way. Or direct me with link to this which I'm sure has been asked. This is also Posted under Tech/Performance.
Thanks In advance:
02-25-2017, 12:55 PM
#5
Safety Car
This is how mine is currently installed. There was no need to run a new ground. I just unplugged the hoses and wires from the old one and plugged them into the new one, which is currently mounted on top of my AC duct. Everything is working great. This setup made troubleshooting the vacuum system much easier.
02-25-2017, 02:26 PM
#6
Le Mans Master
Thread Starter
One choice Mr Kirk, is to take out the drivers seat, lie on your back with a flashight next to your head pointing up at the tach with one arm placed strategically so that you might be able to operate a small ratchet or nut driver. It'll be a pain and create some pains.
The second choice is to receive the replacement, unplug the hoses/ wires and plug them into the new uninstalled unit. Run a ground jumper to a new ground and test it to see if it works before replacement, same contorted position as step one
The third choice is to drop the steering column, pull the dash, replace all the bulbs, any broken switches, pull the tach and speedo to replace the scratched clear plastic face, the bulbs in the the gauges, anything else you find back there while your at it. If you leave the steering wheel attached you may want to remove the seat.
Have fun!!!
The second choice is to receive the replacement, unplug the hoses/ wires and plug them into the new uninstalled unit. Run a ground jumper to a new ground and test it to see if it works before replacement, same contorted position as step one
The third choice is to drop the steering column, pull the dash, replace all the bulbs, any broken switches, pull the tach and speedo to replace the scratched clear plastic face, the bulbs in the the gauges, anything else you find back there while your at it. If you leave the steering wheel attached you may want to remove the seat.
Have fun!!!
Either way That A/C duct has gotta move to get up their.
And this whole thing is dangerous....As it could turn Out to be a Frame Off resto as "MR.D." has Stated....It's a Case of " While I'm At it" I might as well................
02-25-2017, 02:28 PM
#7
Le Mans Master
Thread Starter
02-25-2017, 02:33 PM
#8
Le Mans Master
Thread Starter
That part is difficult to remove and should probably be at the bottom of your list of parts that are causing the problem.
I did have my solenoid out to bench test it and it is good. It can be removed if necessary, on your back, seat in (depending on your size) dash Not apart.
To figure out your the likely culprits, search for posts by DAVE J and DUB for solutions and Wilcox for the parts.
I did have my solenoid out to bench test it and it is good. It can be removed if necessary, on your back, seat in (depending on your size) dash Not apart.
To figure out your the likely culprits, search for posts by DAVE J and DUB for solutions and Wilcox for the parts.
The Worst place to work on a C-2 is under the dash...the C-3 I think is even a Bigger pain. Glad it ain't mine... But I have a feeling I'll be under there also with the owner so he can have a "Blood Return To The Feet Break"
I'll Check Around for those Post's
02-25-2017, 02:35 PM
#9
Le Mans Master
Thread Starter
This is how mine is currently installed. There was no need to run a new ground. I just unplugged the hoses and wires from the old one and plugged them into the new one, which is currently mounted on top of my AC duct. Everything is working great. This setup made troubleshooting the vacuum system much easier.
Can't remember if their is one at the top center being a C-2 Guy.
02-25-2017, 06:22 PM
#10
Safety Car
In the AC cars (1970) you have a plastic duct that runs from the center to drivers side AC outlet. You must remove this duct before you can work on about anything under the driver side dash. My wiper solenoid is currently sitting on top of this duct. One day when I feel like punishing myself I'll get it mount to the back of the tach. I have no clue what a non AC car looks like.