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#2
06-05-12, 03:01
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The entire brake system is new. Wheel cylinders, lines, flex lines, master cylinder. The companies making wheel cylinders are not using two kinds of rubber for their cylinders these days. The cylinders should be compatible with both. To add to that, there is actually an additive in the silicone fluid that is there to cause a slight swelling of the rubber.
I had the back wheels off on Friday afternoon (the new brake return springs came in) and I also have to pull the fronts on Monday. I'll see whats going on in that front left cylinder. With the tires off I should be able to get some good visual of whats going on at the fittings. From what I can glean on the internet though, the copper washers at the banjo fittings are the big culprit on these systems. And of course, the lynx has copper washers at every wheel station, at the master cylinder, and at both frame to axle flexlines. I am going to give it the old college try this week and see what happens. I have an unconventional plan that is crazy enough it might just work. 
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#3
06-05-12, 03:24
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Also, on another related lynx topic, how many of these vehicles were actually made? I see the number "at least" 3255 made in a few sources. This lynx, though, has a hull serial number of 4542, with a build date of 1-1945. What other serial numbers are out there?
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#4
06-05-12, 05:24
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I just used silicone on my M38A1 CDN3 rebuild as all my brake system is new- no issues. The only leak I had was from forgetting one crush washer....
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3RD Echelon Wksp 1968 M274A5 Mule Baifield USMC 1966 M274A2 Mule BMY USMC 1966 M274A2 Mule BMY USMC 1958 M274 Mule Willys US Army 1970 M38A1 CDN3 70-08715 1 CSR 1943 Converto Airborne Trailer 1983 M1009 CUCV 1957 Triumph TRW 500cc RT-524, PRC-77s, and trucks and stuff and more stuff and and....... OMVA, MVPA, G503, Steel Soldiers
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#5
06-05-12, 10:09
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Rob
What is it about the copper washers?
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions....
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#6
06-05-12, 23:26
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Copper washers
Just a point, did you anneal the copper washers? Often the washers we find these days from normal suppliers are work hardened during manufacture and not stress relieved post manufacture. I have often found a simple annealing solves the sealing problem.
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#7
06-05-12, 23:31
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I used all new copper washers. Since they are specifically for brake systems, one would think they are of the correct hardness. I'll be doing a bit of experimenting this week; annealing may well be one of them.
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