Can't get front calipers to flush w/ the pump motor

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Joined
Sep 2, 2010
Threads
55
Messages
1,135
Location
Sarasota, Florida
I've tried and tried using all the methods I've read on here but just can't seem to get it to work. The rear calipers flush like a river with the pump motor but the motor will not flush the fronts. This is the fourth brake fluid flush I've done so far and every time I've had to resort to manual pumping the fluid through by stroking the brake pedal. We're talking about 50 to 75 strokes for each caliper to get a good fluid exchange. I'm really paranoid about tearing up the master cylinder plunger using this method. I want to continue flushing every year but if afraid I'll be doing more harm than good using the pedal pumping method.
I have a quart of fluid left so if anyone can set me straight as to how to get this to work I'll give it a try.
Thanks.
By the way, it's a 2002 and I have Speed Bleeders on all four corners if that makes any difference.
cp
 
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