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Civy wiper conversion with OD paint

General Mcgregor

General Mcgregor

Member
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Dover, New Hampshire
Did the civy wiper conversion today.
First let me assure anyone looking to do this in the future that it is one of the easiest, cheapest and practical mods you can do to these trucks.

Part #'s

ARMS- ANCO # 41-01
BLADES-ANCO # 31-13
(yes these numbers have been listed before) [thumbzup]

I elected to paint the arms to make them look as stock as possible.
Used a white basic primer (2 coats) and KRYLON CAMO OLIVE (2 coats)
Also decided to tear apart my air pistons and clean them out. (the wipers are only as effective as the pistons!) Used some compressor oil to freshen them up. Did a side by side comparison (old/new) of the wiper arms and blades.
The old blades were almost completely useless and the arms were begining to rust out.
Installed the new arm using the provided hardware (NO MODIFICATIONS NEEDED!)
Looks great with the paint, in my opinion. :cool:

I guess it is becoming more difficult to find the 41-01 arm. Called NAPA and was told the part didn't exist in their system. Same story with a couple other locations, but PARTS PLUS in Rochester NH had them to me in 24 hours and apparently had no trouble locating them. Total cost including parts, frieght and paint was around $50.00 :D

Here are some pics.
 
AceHigh

AceHigh

Well-known member
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Good job! I did mine a year or two ago. I also did the A3 electric wipers with the same part numbers, but things were off just a little bit, still was able to make a go of it.
 
DUG

DUG

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Heavysteven said:
How did you keep the wipers from flying off the arms? That's the problem I had when I did the same.

Good job
Click to expand...
They just snap in place. I've had mine on for awhile now and no problems, even after I upgraded my motors to electric.
 
O

oddshot

Active member
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Location
Jasper, Georgia
General Mcgregor said:
Also decided to tear apart my air pistons and clean them out. (the wipers are only as effective as the pistons!) Used some compressor oil to freshen them up.
Click to expand...

My drive side wiper seems to run a bit slower than the passenger side ... I've been thinking about taking the motors down and seeing what I could do to freshen them up. I'd like to keep the orig units running if I could.

I just did a quick search to see if there is any rebuilding info and couldn't find anything ... do you know of a thread describing the procedure?

They look simple enough, is there anything inside them that could be a real challenge?

Thanks

oddshot
 
Last edited:
General Mcgregor

General Mcgregor

Member
980
24
18
Location
Dover, New Hampshire
Its pretty simple, here is my (quick) re-build/freshen proceedure/
Note: Check your air lines before you start, might just be a slow leak.

Piston removal
1. Remove the wiper arms.
2. Remove the threaded arm base from the drive shaft.
3. Disconnect your air lines from the pistons.
4. Remove the mounting screws (outside, L+R of the driveshafts)
5. Remove the pistons.

(install is reverse of removal)

Refresh
1. Remove the screws that retain the head (air in/out)
2. Remove head
3. Inspect main gasket (check for cracks etc.)
4. Remove rectangular cover from above the manual control handle. (plastic pistons, metal may be different)
5. Using paper towels or a rag, clean all of the inside of the cylinder and head.
6. Apply a liberal coat of compressor oil to cylinder housing, pour some into the rectangular hole above the manual control arm.
7. Hold upside-down to drain any excess.
8. Re-install rectangular cover.
9. Use the manual control arm to move piston back and fourth until actoin is as smooth as possible.
10. Re-install head, ensure it is positioned correctly so you do not to damage the gasket. DO NOT over tighten screws. Plastic housing will strip out easily.
11. Move manual control arm again, there will be more resistance than before. This is from the air restriction and is nothing to worry about.
11. Hold upside down again while moving piston to drain any more excess compressor oil.
12. Wipe up all the oil you spilled on the outside of the pistons and the floor... :roll:
 

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asgtoolman

asgtoolman

New member
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Location
Florence SC
NAPA also told me the #'s were discontinued, O'Reilleys had no clue locally or on line, but Amazon.com still has them.
A great mod and very easy.
 
Seth_O

Seth_O

Member
625
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Location
Sac CA
I did this same conversion not long ago, but Oreilly's was out of the 31-13, so I used the upgraded model (can't remember the number, supposedly the exact same as the 31-13 but made of better materials.) Those blades cost more, and came in a silver box. They also DIDN'T WORK. The 31-13's come with a small piece of plastic that is necessary to couple the new arms to the blades. Make sure if you do this mod (highly recommended) you get the exact part mumbers listed here.
 
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