1973 GT6 MKIII Big Red - Bench bleeding calipers

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Getting the air out of the calipers was simplified by doing it at the bench before they were installed on the car. New seals were previously installed after the initial cleanup. a SLOOWW hand at pumping the fluid is all that's required here. The 'out' tube is 'above' the highest point of the caliper, thus making sure air is not pulled back into the caliper as the syringe is pushed in and pulled out.

benchbleed2.jpg (30678 bytes)

In the above picture, you can see I have the caliper positioned so air will rise within the passages of the caliper. A simple syringe filled with fluid, is fed into the normal bleed valve. A tube is press fitted over the normal supply pipe. Little by little, the syringe is pumped in and out. The air will rise as the fluid is moved in and out of the caliper.

The caliper holds (in my estimation) about 40-60cc of brake fluid. Once completed, I simply capped off the feed pipe with a 'vacuum cap' and closed the bleed valve until the caliper was ready to be installed on the car.

©1987-2008 All material copyright© Teglerizer 1996-2008	last edited 03/18/10	hits since last reset

73 MKIII GT6 Big Red Bench Bleeding brake calipers

73 MKIII GT6 Big Red
Bench Bleeding brake calipers