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MG TD TF 1500 - Brake cylinder lubricant notes
I�m in the final stages of the world�s slowest TD brake rebuilding job. Because my system was previously charged with silicone brake fluid, which worked well for many years, and because I am replacing all soft components in the system with new parts, I will be recharging the system with silicone brake fluid. The rear brake cylinders are new Moss reproduction units (�Classic Gold,� �Authentic Reproduction,� Moss part number 180-075). These brake cylinders come assembled with the internal piston cup, cup filler, and spring. The internal moving parts are lubricated with a red assembly grease. I called Moss technical support and was told the red assembly grease is equally compatible with glycol or silicone brake fluid. I had the front brake cylinders and the master cylinder resleeved in stainless steel. I had some difficulty tracking down silicone compatible assembly grease for reassembling these cylinders. In the archives there is a brief note that dielectric connector grease can be used for this purpose. I purchased VersaChem (www.itwconsumer.com) Dielectric Connector Grease, part no. 15339. The VersaChem website describes another product, 100% Silicone Brake Grease, part no. 26199, which seems like the exact right product to use as a brake assembly grease. I contacted VersaChem and was told that the two products are identical and are only packaged differently. The silicone brake grease, however, is not often found in stores. Larry |
Larry Shoer |
larry, can't you use the silicone brake fluid itself? regards, tom |
tm peterson |
Tom, Brake fluid will certainly work. Assembly grease is recommended as something that will not migrate and continue to provide lubrication for an extended period of time. I can't speak from experience whether it delivers improved performance over simply using brake fluid. Larry |
Larry Shoer |
When I installed all new lines and rebuilt cylinders, I switched to silicon... just used that for assembly... 'Still stopping after all these years!' |
gblawson - TD#27667 |
larry, i did not convert my car to silicon as early as gordon did, but my experience is the same. no leaks after 3 years. i should have included that in my original post. regards, tom |
tm peterson |
Larry, I installed a Moss rear cylinder (with their assembly lube) and silicon fluid. The brake system has been together with no leaks for 5-6 years. I did have a couple of banjo leaks, but not from the assembly lube. Good luck, Evan |
Evan Ford - TD 27621 |
This thread was discussed between 21/10/2006 and 23/10/2006
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