From: ddoyle9570@aol.com
Date: Tue Jul 16 2002 - 12:48:50 PDT
The PROPER way to bleed the G-742 (M35) series brake system is to start with the air-hydraulic cylinder. Bleed it. Fortunately, this a large percentage of the time is the only bleeding that must be done, and it can be done by one person from underneath the truck. You can grab the lever that connects to the brake pedal with one hand and turn the bleeder with the other.
Then bleed the wheel cylinders, starting at the one that is hydraulicly the furthest from the air-hyrdaulic cylinder. I don't remember if it is these trucks, but on one series of commonly collected trucks the brake line routing is such that there is an odd order of bleeding to be done.
Hope this helps,
David Doyle
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