thanks for your reply.actually i broke off both front bleeders.they look original but both calipers are in perfect working order and replacement would run approx $300 cdn.so if i hear you right push the caliper piston in till it bottoms.this should push most of the air and fluid out and back toward the master cylinder.ill give it a try and thanks again for tip

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michael cole 1980 300SD gone now but not forgotten,87tdt,90 300te 4matic 95 e320 wagon