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Username Post: Wiper Motor Rebuild        (Topic#236723)
Gator1963SS 
Forum Newbie
Posts: 69

Loc: Tampa
Reg: 06-30-09
03-01-10 08:57 AM - Post#1871783    

I had the bright idea of opening the motor canister on my old wiper motor (because I wanted to clean and paint it, and out of curiosity). BAD IDEA. The carbon brushes and springs on the motor popped out like a Chinese treasure chest and I discovered one of the Carbon brushes was broken.
Has anyone rebuilt one of these? Or sent one to be rebuilt? Or am I better off just trying to get a new one?
http://s903.photobucket.com/albums/ac238/clark196 3/


 
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rrausch 
"13th Year" Silver Supporting Member
Posts: 10960
rrausch
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
03-01-10 09:22 AM - Post#1871797    
    In response to Gator1963SS

Motor shops are used to those jumping springs, and use special tools and procedures to hold the little fellas in place while the motor is assembled or disassembled.

I've rebuilt larger electrical motors, both with and without carbon brushes, and sometimes it's really hard to get everything back together again. But if you do it a few times you get used to it. I'd suggest since you already have it apart, clean it up, try to find some new brushes and try to get it back together. Does is have bushings or bearings--if you try to rebuild it yourself, get new ones.
1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.




 
Dave64SS 
"5th Year" Gold Supporting Member
Posts: 1652
Dave64SS
Loc: Cypress, TX
Reg: 02-28-09
03-01-10 09:26 AM - Post#1871801    
    In response to Gator1963SS

there's somebody in North/South carolina that rebuilds them. Expensive as all get out as I remember. Search the internet...or maybe somebody will come up with suggestions...
You can find them handily on ebay...run $25-$50 is generally what i see.
I took one apart too, and yes, the brushes pop out a bit. If you can repair the brushes, i found by taking some fishing line, running the line thru the bottom holes in the casing and around the brushes (a loop) to hold them in their little cradles was pretty easy. then once the armature was seated, just pulled one end of the line out and was easy peasy....I was talking to the rebuild place and they had made some intricate tool. They were impressed with the fishing line idea.

 
Fossil_Fuel 
"2nd Year" Silver Supporting Member
Posts: 920
Fossil_Fuel
Age: 55
Loc: Minnesota
Reg: 09-11-07
03-01-10 10:24 AM - Post#1871822    
    In response to Gator1963SS

The person that everyone suggests for wiper motor resoration is Steve Hackel restoration Servces Phone # 708-687-4183
I have only heard good reviews
Craig
1964 Impala SS 327/300 since '76
1967 Impala SS 327 Triple Black Hardtop in the works
1967 Impala 327 Bench Seat 4-speed
http://craigaacars.shutterfly.com/pictures


 
Gator1963SS 
Forum Newbie
Posts: 69

Loc: Tampa
Reg: 06-30-09
03-01-10 11:37 AM - Post#1871848    
    In response to Fossil_Fuel

Hackel wants about $200, so I think I'll try to track down the correct replacement Brushes and give it a shot. Thanks for all the advice guys!
http://s903.photobucket.com/albums/ac238/clark196 3/


 
rrausch 
"13th Year" Silver Supporting Member
Posts: 10960
rrausch
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
03-01-10 10:03 PM - Post#1872213    
    In response to Gator1963SS

You can do it if you're handy. How do you think all the guys advertising in Hemmings got their start? They tinkered until they got the hang of it. I used to pay $135 to get my electrical motors rebuilt, and then I learned to do it myself. The cost of materials would be about $25 for that $135 rebuild.

Maybe it's too late to tell you this, but in the future before you disassemble the motor, take a punch and mark the end bells so they can be reassembled in the exact position they came from the factory.

Take a look at the commutator--it should be black and shiny if it's well used. Do not fall prey to the impulse to take some sandpaper to it. Never use sandpaper on it. Black and shiny is just fine. I have a set of commutator stones for dressing a commutator, but have never had to actually use them. Make sure there is no debris in the grooves between the commutator sections. If it has crud in the grooves, take an old credit card, and cut it with a pair of scizzors to make a sharp point and carefully... very carefully... scrape the debris out.

You shouldn't have to do anything to the new brushes. If they don't match exactly the arc of the commutator they should wear in without too much trouble.

Replace the bushings or bearings.

The fishing line idea is a good one. Use it if you can't figure out another way to keep the brushes held in while putting it back together. In fact the fishing line idea is a DAMM GOOD idea! Wish I'd thought of it when I was rebuilding my Comet saw motors. It might take you a dozen times trying to get the end bells on before you master the way to get it back together AND keep the brushes in the right places. Just be patient, and soon you too may be making big bucks restoring these motors!
1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.




 
rrausch 
"13th Year" Silver Supporting Member
Posts: 10960
rrausch
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
03-01-10 10:06 PM - Post#1872219    
    In response to rrausch

And don't forget to blow all the crap out of the windings. I rebuilt a 2HP Reuland Industrial motor for a jointer I had. The motor was from about 1957 or so, and I got almost a gallon of sawdust out of the area between the windings and the outer casting. Granted your wiper motor won't have sawdust in it, but it might have bugs, leaf litter and who knows what in it. Clean it up, rebuild it and use it another 20 years!
1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.




 
bajones238 
"4th Year" Gold Supporting Member
Posts: 290

Loc: Georgia
Reg: 06-19-11
02-14-12 10:54 AM - Post#2190581    
    In response to rrausch

Digging up yet another old thread . . .

Is there any source for parts (brushes, bearings, etc.) for the windshield wiper motors? I have a single-speed which is running pretty slow, and which doesn't automatically park. It may just need a good cleaning, but as long as I have it apart it would probably be a good idea to replace the brushes, at least.

Eckler's, Classic Industries and Impala Bob's have some of the parts, but not the brushes or bearings. GM parts book doesn't show a number for the brushes (lists case with brushes as a unit, under 10.150).
1953 3104 1/2 Ton Truck
1965 Impala SS 327/M20
1965 Chevelle SS 327/M20
VCCA #47487
AACA #446449


 
junky 
Frequent Contributor
Posts: 1463

Reg: 06-27-10
02-14-12 12:25 PM - Post#2190612    
    In response to bajones238

When I run into a problem finding the correct brushes, I look for replacements by taking other small motors apart. Once I find a suitable replacement, if it is the wrong hight or width, I use fine sandpaper to cut it down to the correct size. If you do a Google search for "carbon brushes" you will find a lot of companies that manufacture them, and some retailers.
You can also try eBay to find a replacement wiper motor, since that motor was used for a number of years, and was also used on other GM cars.
Never argue with an idiot. He'll drag you down to his level, then beat you with experience.


 
Dave64SS 
"5th Year" Gold Supporting Member
Posts: 1652
Dave64SS
Loc: Cypress, TX
Reg: 02-28-09
02-14-12 06:57 PM - Post#2190730    
    In response to Gator1963SS

http://www.ebay.com/itm/NOS-1961-CORVAIR- WIPER-MOT...

odds are these would be applicable...

not my posting..i just remembered seeing brushes

 
rmsls1 
Forum Newbie
Posts: 65
rmsls1
Loc: Houston TX
Reg: 06-25-11
02-18-12 06:54 PM - Post#2192200    
    In response to Dave64SS

Try looking at this two speed manual.

http://chevy.oldcarmanualproject.com/booklets/5904...

It gives good hints on servicing.
1963 Chevy Impala SS with 875 trim code
1967 Triumph Spitfire Mk III
1969 SS RS Camaro
1970 El Camino
1984 Corvette with 4+3 manual trans.


 
rmsls1 
Forum Newbie
Posts: 65
rmsls1
Loc: Houston TX
Reg: 06-25-11
02-18-12 06:58 PM - Post#2192203    
    In response to bajones238

Also give this web site a try. I would think they would be cheaper than others mentioned.

http://www.pwrsteering.com/electrical.html

I am not sure they sell parts, but give them a try.

I found them on another old car board, that they even repaired vacuum wipers. I think they have changed hands though.
1963 Chevy Impala SS with 875 trim code
1967 Triumph Spitfire Mk III
1969 SS RS Camaro
1970 El Camino
1984 Corvette with 4+3 manual trans.


 
junky 
Frequent Contributor
Posts: 1463

Reg: 06-27-10
02-18-12 07:12 PM - Post#2192208    
    In response to rmsls1

$175 for the rebuild with $150 core charge... Shipping $17.24 Link
Never argue with an idiot. He'll drag you down to his level, then beat you with experience.


 
rmsls1 
Forum Newbie
Posts: 65
rmsls1
Loc: Houston TX
Reg: 06-25-11
02-18-12 09:19 PM - Post#2192273    
    In response to junky

Good information to know about the cost. They have been in business many years. I was waiting to rebuild my 2-speed motor when I get closer to finish.

They rebuild window motors too. I have a couple vent window motors that need a tune up, they run very slow.
1963 Chevy Impala SS with 875 trim code
1967 Triumph Spitfire Mk III
1969 SS RS Camaro
1970 El Camino
1984 Corvette with 4+3 manual trans.


 
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