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09-25-2020, 06:36 PM | #21 |
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Location: Frisco, TX
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Re: 1940 Front Wheel Cylinders
Here are the part numbers if you decide to buy new. Surprisingly, you can get them on RockAuto, and they are less expensive there.
Wheel cylinder front left 8264 (should include crush washer for hose fitting) Wheel cylinder front right 8265 (should include crush washer for hose fitting) Wheel cylinder rear left 8266 Wheel cylinder rear right 8267 Master cylinder M1050 (crush washers are 15mm for outlet banjo bolt) Front hoses BH7600 (requires 2) I also bought new shoes from them, and they fit perfectly. |
09-26-2020, 07:49 AM | #22 |
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Re: 1940 Front Wheel Cylinders
Hmmmmm....no leak this morning and brake pedal is solid !! The drama continues !!
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09-26-2020, 07:52 AM | #23 |
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Re: 1940 Front Wheel Cylinders
rbone ...
Thx for the info. I was thinking about Rock and I may give them a try. Right now I have to figure out why there is no leak this morning. This is strange as hell. Thx again for the info about Rock Numbers ! Mike |
09-26-2020, 02:09 PM | #24 |
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Re: 1940 Front Wheel Cylinders
What fluid are you using??
Paul in CT |
09-30-2020, 10:24 AM | #25 |
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Re: 1940 Front Wheel Cylinders
Paul.....DOT 3 .....waiting for the second drum to be cut. Found the leak problem and all set right now.
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09-30-2020, 03:12 PM | #26 |
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Re: 1940 Front Wheel Cylinders
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Paul in CT |
10-01-2020, 04:59 PM | #27 |
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Re: 1940 Front Wheel Cylinders
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10-01-2020, 05:28 PM | #28 | |
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Re: 1940 Front Wheel Cylinders
Quote:
If you look at the Lockheed brake the front shoe pushes into it's anchor and does the most of the work when stopping; thus the larger piston and longer lining. With the Bendix brake the leading shoe drives into the trailing shoe which pushes into the anchor; the trailing shoe does more of the work so the lining is longer. |
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10-01-2020, 08:52 PM | #29 |
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Re: 1940 Front Wheel Cylinders
What Rich posted. This throws a lot of people that are not familiar with the lockheed brakes.
Last edited by JSeery; 10-04-2020 at 02:29 PM. |
10-04-2020, 11:07 AM | #30 |
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Re: 1940 Front Wheel Cylinders
Guys the drawings and manual i have show the larger shoe to the front. That’s the way they came off. I don’t know if I have Bendix or Lockheed though. Don’t understand the difference sorry ! Geez....I got everything together and have a seal leak at the larger end of cylinder. Just took it all apart again. I have new plunger seals and will try another one and hone out a bit more too. What a learning process this is !!!!!
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10-04-2020, 01:41 PM | #31 |
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Re: 1940 Front Wheel Cylinders
If the wheel cylinder has a larger piston on the front end, you have Lockheed brakes...
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10-04-2020, 02:32 PM | #32 | |
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Re: 1940 Front Wheel Cylinders
Quote:
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10-04-2020, 05:49 PM | #33 |
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Re: 1940 Front Wheel Cylinders
Guys I hope the manual is correct as I don’t want to go through this again ! Everything put back together and will bleed the brakes tomorrow after golf. The leak was because the top end of the shoe that fits into the plunger slot in cylinder was not in correctly. My fault for not seeing it. Using speed bleeders and I heard they’re pretty good. I have the rears to do in Spring.
Thx for all the info. Mike |
10-04-2020, 08:34 PM | #34 |
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Re: 1940 Front Wheel Cylinders
You really can't mix up Lockheed and Bendix brakes, they are so different it is totally obvious. You should be fine. Only catch is Lockheed brakes can be a lot more difficult to set up, so be sure your manual has detailed instructions and if not, ask here on the Barn. Someone can provide you with the adjustment procedures.
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10-05-2020, 02:59 PM | #35 |
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Re: 1940 Front Wheel Cylinders
I checked with a car guy buddy of mine and he said I have Lockheed thank God !! Don't want to go through this again trust me ! Things "Can" get screwed up if you don't know what you're doing !!
The second wheel cylinder is leaking and I can't stop it, so I ordered 2 wheel cylinders today. Should have done that at the beginning, but how did I know !! Thx much ! Mike |
10-08-2020, 07:35 AM | #36 |
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Re: 1940 Front Wheel Cylinders
New Wheel Cylinders arrive tomorrow. I went ahead and bought a new Master Cylinder from NAPA and going to attempt that installation today. Have to Bench Bleed before I do though.
Anything I should look out for when installing the Master ? Thx....Mike |
10-08-2020, 08:07 AM | #37 |
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Re: 1940 Front Wheel Cylinders
Be cautious and watch the wheel cylinders while bleeding to be sure they don’t leak past the cup. Most new ones being sold are pretty poor quality depending on where you get them
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10-08-2020, 12:07 PM | #38 |
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Re: 1940 Front Wheel Cylinders
35....I bought them from C & G and I've had good luck with their products, but I will check. Any hints on how to bleed the Master ?
Thx....Mike |
10-08-2020, 02:26 PM | #39 |
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Re: 1940 Front Wheel Cylinders
C&G does sell decent cylinders. I dont bench bleed the master cylinder personally. I just install fill and bleed the brakes as normal.
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10-08-2020, 03:20 PM | #40 |
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Re: 1940 Front Wheel Cylinders
I've never bench bled the single master cylinders and haven't had any issues. Dual masters... now THAT is another matter.
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