{"id":9068,"date":"2022-03-10T20:30:45","date_gmt":"2022-03-10T20:30:45","guid":{"rendered":"https:\/\/www.hexorcism.com\/19BP\/sm2335164\/"},"modified":"2022-03-10T20:30:45","modified_gmt":"2022-03-10T20:30:45","slug":"sm2335164","status":"publish","type":"page","link":"https:\/\/www.hexorcism.com\/19BP\/sm2335164\/","title":{"rendered":"REAR BRAKE INSPECTION"},"content":{"rendered":"
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REAR BRAKE INSPECTION<\/h3>\n<\/div>\n

SM2335164<\/p>\n

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id041100000800<\/p>\n



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Brake Judder Repair Hints<\/p>\n


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Description<\/p>\n

1.Brake judder concern has the following 3 characteristics:<\/p>\n

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Steering wheel vibration<\/p>\n

1.The steering wheel vibrates in the rotation direction. This characteristic is most noticeable when applying brakes at a vehicle speed of 100\u2014140 km\/h {62.2\u201486.9 mph}<\/span>.<\/p>\n

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Floor vibration<\/p>\n

1.When applying the brakes, the vehicle body shakes back and forth. The seriousness of the shaking is not influenced by vehicle speed.<\/p>\n

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Brake pedal vibration<\/p>\n

1.When applying the brakes, a pulsating force tries to push the brake pad back. The pulsation is transmitted to the brake pedal.<\/p>\n

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2.The following are the main possible causes of brake judder:<\/p>\n

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Due to an excessive runout (side-to-side wobble) of the disc plate, the thickness of the disc plate is uneven.<\/p>\n

1.If the runout is more than 0.1 mm {0.004 in}<\/span> at the position 10 mm {0.39 in}<\/span> from the disc plate edge, uneven wear occurs on the disc plate because the pad contacts the plate unevenly.<\/p>\n

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2.If the runout is less than 0.1 mm {0.004 in}<\/span>, uneven wear does not occur.<\/p>\n

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The disc plate is deformed by heat.<\/p>\n

1.Repeated panic braking may raise the temperature in some portions of the disc plate by approx. 600 \u00b0C {1,112 \u00b0F}<\/span>. This results in a deformed disc plate.<\/p>\n

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Due to corrosion, the thickness and friction coefficient of the disc plate change.<\/p>\n

1.If the vehicle is parked in damp conditions for a long time, corrosion occurs on the friction surface of the disc plate.<\/p>\n

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2.The thickness of corrosion is uneven and sometimes appears like a wave pattern, which changes the friction coefficient and causes a reaction force.<\/p>\n

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Inspection and repair procedure<\/p>\n\n\n\n
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Lateral runout inspection<\/p>\n

1.Remove the wheel and tire. (See WHEEL AND TIRE REMOVAL\/INSTALLATION<\/a>.)<\/p>\n

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2.Remove the rear brake caliper component and suspend it out of the way using a cable. (See REAR BRAKE DISC REMOVAL\/INSTALLATION<\/a>.)<\/p>\n

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3.Put the dial gauge on the friction surface of the disc plate 10 mm {0.39 in}<\/span> from the disc plate edge.<\/p>\n

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4.Rotate the disc plate one time and measure the runout.<\/p>\n

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Rear disc plate runout limit<\/div>\n<\/dd>\n<\/dl>\n
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0.1 mm {0.004 in}<\/div>\n<\/dd>\n<\/dl>\n<\/div>\n


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Thickness variation inspection<\/p>\n

1.Remove the wheel and tire. (See WHEEL AND TIRE REMOVAL\/INSTALLATION<\/a>.)<\/p>\n

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2.Clean the disc plate-to-pad friction surface using a brake cleaner.<\/p>\n

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3.Measure the points indicated in the illustration using a caliper (micrometer).<\/p>\n

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4.Subtract the minimum value from the maximum, and if the result is not within the specification, machine the disc plate using a lathe.<\/p>\n

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Thickness variation limit<\/div>\n<\/dd>\n<\/dl>\n
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0.018 mm {0.00071 in}<\/div>\n<\/dd>\n<\/dl>\n<\/div>\n
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Warning<\/div>\n<\/dd>\n
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\u2022 Do not exceed minimum disc plate thickness.<\/div>\n<\/dd>\n<\/dl>\n



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Disc Plate Thickness Inspection<\/p>\n

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Caution<\/div>\n<\/dd>\n
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\u2022 Excessive runout may result if the disc plate is removed from the vehicle then machined. Machine the disc plate while installed on the vehicle.<\/div>\n<\/dd>\n<\/dl>\n

1.Measure the thickness of the disc plate.<\/p>\n

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Minimum rear disc plate thickness<\/div>\n<\/dd>\n<\/dl>\n
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7.0 mm {0.28 in}<\/div>\n<\/dd>\n<\/dl>\n<\/div>\n
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Minimum rear disc plate thickness after machining using a brake lathe on-vehicle<\/div>\n<\/dd>\n<\/dl>\n
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7.8 mm {0.31 in}<\/div>\n<\/dd>\n<\/dl>\n<\/div>\n
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\u2022 If the thickness is not within the specification, replace the disc plate. (See REAR BRAKE DISC REMOVAL\/INSTALLATION<\/a>.)<\/div>\n<\/dd>\n<\/dl>\n



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Disc Pad Thickness Inspection<\/p>\n

1.Jack up the front of the vehicle and support it with safety stands.<\/p>\n

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2.Remove the wheel and tire. (See WHEEL AND TIRE REMOVAL\/INSTALLATION<\/a>.)<\/p>\n

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3.Verify the remaining thickness of the pads.<\/p>\n

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Minimum rear disc pad thickness<\/div>\n<\/dd>\n<\/dl>\n
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2 mm {0.08 in}<\/div>\n<\/dd>\n<\/dl>\n<\/div>\n

4.Replace the pads as a set (right and left wheels) if either one is at or less than the minimum thickness. (See REAR BRAKE DISC PAD REMOVAL\/INSTALLATION<\/a>.)<\/p>\n

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REAR BRAKE INSPECTION SM2335164 id041100000800 Brake Judder Repair Hints Description 1.Brake judder concern has the following 3 characteristics: Steering wheel vibration 1.The steering wheel vibrates in the rotation direction. This characteristic is most noticeable when applying brakes at a vehicle speed of 100\u2014140 km\/h {62.2\u201486.9 mph}. Floor vibration 1.When applying the brakes, the vehicle body shakes back and forth. The seriousness of the shaking is not influenced by vehicle speed. Brake pedal vibration 1.When applying […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-9068","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/comments?post=9068"}],"version-history":[{"count":0,"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/pages\/9068\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hexorcism.com\/19BP\/wp-json\/wp\/v2\/media?parent=9068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}