Wiper Vacuum Motor

[petehoovie]

Is there a way to lubricate the wiper vacuum motor through its rubber vacuum hose?

[corvette8n]

There was just a thread on this, but I'd try Marvel Mystery Oil.

[FireEngineMike]

The consensus was to disconnect the engine vacuum hose from the wiper motor, connect another hose to the vacuum port, add the lubricant of choice (MMO, ATF, brake fluid), and cycle the output shaft. Search for the thread - it was earlier this month.

[petehoovie]

I guess what I'm looking for here is the procedure used to do it....

[V8COOPMAN]

Originally Posted by petehoovie

I guess what I'm looking for here is the procedure used to do it....

This link below gives all kinds of advice and procedures. DD

https://www.fordbarn.com/forum/showth...uum+wiper+lube

[petehoovie]

Sponsored Links (Register now to hide all advertisements)

Originally Posted by V8COOPMAN

This link below gives all kinds of advice and procedures. DD

https://www.fordbarn.com/forum/showth...uum+wiper+lube

Thanks for that link....

[keith oh]

It won't do much good to squirt anything in the wiper hose. Even if you remove the motor and directly squirt in the motor connector it will maybe start running but in a few days will stop as you have only liquified some of the old grease and won't be long until it stops again. Take the little back cap off and study the parts carefully(taking pictures or having another wiper Motor for comparison all vacuum motors are nearly the same) carefully lift the phonolific part with spring up and all will come apart. Then remove the oval top screws and pull the top off that has the suction wiper connected. Soak in Kerosene overnight to clean and lubricate, put everything back together, Dip the moving suction arm in Kerosene befor reassembly for lubrication. 90% of the time it will run almost like new.
Use your pictures or other wiper motor to help with reassembly.

[petehoovie]

Originally Posted by keith oh

It won't do much good to squirt anything in the wiper hose. Even if you remove the motor and directly squirt in the motor connector it will maybe start running but in a few days will stop as you have only liquified some of the old grease and won't be long until it stops again. Take the little back cap off and study the parts carefully(taking pictures or having another wiper Motor for comparison all vacuum motors are nearly the same) carefully lift the phonolific part with spring up and all will come apart. Then remove the oval top screws and pull the top off that has the suction wiper connected. Soak in Kerosene overnight to clean and lubricate, put everything back together, Dip the moving suction arm in Kerosene befor reassembly for lubrication. 90% of the time it will run almost like new.
Use your pictures or other wiper motor to help with reassembly.

Your procedure is what I'm trying to avoid given the location of the wiper motor in my '53 sedan....

[keith oh]

Well Excuse Me. I can easily see spending a couple of hundred bucks hiring it done so I think I would try it myself.

[paul2748]

That comment is uncalled for.

Originally Posted by keith oh

Well Excuse Me. I can easily see spending a couple of hundred bucks hiring it done so I think I would try it myself.

[Kahuna]

We just did this on my friend's 52 Mercury.
Took the vacuum line from the engine to wiper, put that line into a glass jar half full of Brake Fluid. Have someone cycle the wipers back & forth, which will suck the brake fluid into the motor.
Let it sit over night, with a towel or something under the wiper motor as brake fluid wil hurt paint.
It'll probably work fine now. Did for my friend's

[keith oh]

Originally Posted by paul2748

That comment is uncalled for.

Paul, I don't see that it was uncalled for after these old 85 year old fingers spent the time and energy,one finger typing, trying to help him actually fix his wiper. If I am wrong then I apologize.

[6lucky13]

I am not familiar with the wiper motor in a '53 but attached is the Trico procedure for oiling vacuum wipers.

[petehoovie]

Originally Posted by 6lucky13

I am not familiar with the wiper motor in a '53 but attached is the Trico procedure for oiling vacuum wipers.

Kerry,

Is it possible for you to post a clearer picture of that Trico procedure?

[Kahuna]

Here's*how*to*lubricate*the*motor,*which*should*be *done*three*or*four*times*a*year:*
1. Remove*the*vacuum*hose*at*the*wiper*motor.**Lightl y*hold*your*finger*over*the*hose*nipple*on*the*
motor*and*cycle*the*wiper*blade*back*and*forth..*N ote*that*in*one*direction*the*motor*sucks*in*air,*
and*in*the*opposite*direction,*the*motor*expels*ai r*through*the*nipple.***Place*the*wiper*blade*in*
the*position*such*that*the*motor*will*begin*to*suc k*air*at*the*nipple.*
2. Attach*a*six‐inch*long*piece*of*hose*to*the*motor* nipple*and*hold*the*open*end*up.**Using*a*squeeze*
bottle,* force*one*teaspoonful*of*lubricant*into*the*hose.* *Place*a*rag*on*the*cowl*below*the*wiper*
motor.**Hold*another*rag*over*the*open*end*of*the* hose.*
3. Cycle* the*wiper*blade* back* and* forth* several* times.* * Repeat* the* process* again,* adding* a* second*
teaspoonful*of*lubricant.
4. Start* the* engine* and* run* the* wiper* motor.* * It* should* run* well.* * If* it* does* not,* the* wiper* motor*
should* be* disassembled,* cleaned,* inspected* and* a* rebuilding* kit* installed.* * It* is* normal* for* the*
wiper*to*slow*down*when*the*car*is*accelerated,*bu t*it*should*not*stop*altogether.

[petehoovie]

Thanks for that, Kahuna....

[TagMan]

I cleaned it up, so those who may wish to print it out will be able to get a clear copy. One question I have would be, what is the "proper lubricant ? (I.E. Trico approved).
I'm not real sure all that is necessary, in any event - I've driven my '37 for 20-years, in all kinds of weather, about 2,000 miles a year on average and have never lubricated the wiper motor and it continues to run fine. Seeing as how the wiper motor on my '36 is behind a header panel, I'm pretty sure I won't be taking it apart 3- or 4-times a year.

[B]Lubricating a vacuum wiper motor
(perform 3x-4x per year)

1. Remove the ]vacuum hose at the wiper motor. Lightly hold your finger over the hose nipple on the motor and cycle the wiper blade back and forth. Note that in one direction the motor sucks in air and in the opposite direction, the motor expels air through the nipple. Place the wiper blade in the position such that the motor will begin to suck air at the nipple.

2. Attach a 6” length of hose to the wiper motor and hold the open end up. Using a squeeze bottle, force one teaspoon of lubricant into the hose. Place a rag beneath the wiper motor. Hold another rag over the open end of the hose.

3. Cycle the wiper blade back & forth several times. Repeat the process again, adding a second teaspoon of lubricant.

4. Start the engine and run the wiper motor. It should run well. If it does not, the motor should be disassembled, cleaned and inspected and a rebuilding kit installed. It is normal for the wiper to slow down when the car is accelerated, but it should not stop altogether.[/B]

[glennpm]

I would and plan to use Marvel "Air Tool Oil" after getting it going with brake fluid. The brake fluid expands the rubber seals/flapper but I don't plan on continued use. I don't know the chemistry of the Air Tool Oil though, just saying.

[Kahuna]

Brake fluid was/is the recommended lube

[Veeder]

Any chance I can use DOT 5 brake fluid?????