A1 Auto Parts
325-235-2420
a1auto@a1-autoparts.com
10525 S IH 20
Sweetwater
TX 79556



PDF associated: /PT 18-0002.pdf
PT 18 0002 Sticking Caliper Piston Cause and Solution All vehicles equipped with calipers Caliper pistons are not returning properly or are stuck in the bore Residual hydraulic pressure keeping the piston applied After installing and bleeding the replacement caliper if the piston does not return properly or sticks open the bleeder valve and recheck If the piston releases the caliper is working correctly You mustnow determine the reason fluid pressure is not returning to the master cylinder reservoir Twisted or restricted rubber brake hoses Kinked or damaged metal brake lines Defective proportioning combination valve Defective master cylinder Improper adjustment of the power brake booster pedal rod or master cylinder push rod Stop light or cruise control switch not adjusted correctly It is recommended that the brake fluid be changed every two years to prevent premature brake failure Application Problem Cause Solution Check For Note





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