Quote:
Originally Posted by enio45
yep we had an issue with the rear - had to force some fluid thru when we opened the bleeder - i was using a suction tool to bleed the brakers thru the calipers. at first nothing then applied some brake pressure and a big stream came out........i can't say it was nice solid stream.......maybe look into the prop valve? R&R clean, rebuild - they rebuildable?
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I think the 1987's were similar/same to the earlier 1970's GM cast iron units and yes they are rebuildable by any of the typical places for calipers/wheel cylinders. The valve may be stuck due to rusty fluid/varnishing and not allowing enough fluid through.