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  4. 96 328is Passenger Rear Brake Issue

96 328is Passenger Rear Brake Issue

Scheduled Pinned Locked Moved General Technical
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  • KaiserRollsK
    KaiserRollsK
    KaiserRolls
    wrote on last edited by
    #10

    Earl said:

    Why would I do that? The issue never changed and everything else has besides the hardlines

    So we don't mention shit you already tried

    1 Reply Last reply
    2
    • m42b32M
      m42b32M
      m42b32
      wrote on last edited by
      #11

      Maybe an early wheel bearing failure? Its possible to not have noise or noticeable play when rotating it on a stand, but under the weight of the car it could potentially make a faint noise and hitting the brakes could affect the sound. 

      Ooor, do you have access to one of those infrared thermometer things? You can use them to take the temperatures of each rotor after a long drive. One being hotter than the other would indicate dragging pads. 

      Just throwin' some ideas out there

      1991 318is, 1991 318i, 2022 Bronco

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      0
      • KaiserRollsK
        KaiserRollsK
        KaiserRolls
        wrote on last edited by
        #12

        I know you replaced the wheel bearings right? That's the only thing that's changed correct? If it was at a goofy angle, could the hub be cocked causing one side of the rotor to make contact with a pad?

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        • EarlE
          EarlE
          Earl
          wrote on last edited by
          #13

          Wheel bearing is tight and was replaced in November. The noise sounds like metal being taken to a grinding stone so I am not sure what else would cause that noise when you touch the brakes lol

          museum sig 2earl.jpg

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          • KaiserRollsK
            KaiserRollsK
            KaiserRolls
            wrote on last edited by
            #14

            Maybe it's the 17x11 wheels 😃

            Any debris in the shield?

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            1
            • straight6pwrS
              straight6pwrS
              straight6pwr
              wrote on last edited by
              #15

              shooting in the dark here, as it seems like you've eliminate almost everything to do with the brakes/rotor/ebrake/wheels/etc.

              the dust plates on the rear diff inputs/outputs can make that noise if they start rubbing on the case or something becomes lodged in them. i guess braking could cause just enough driveline movement to make the sound increase?

              Dan
              yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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              • EarlE
                EarlE
                Earl
                wrote on last edited by
                #16

                KaiserRolls said:

                Maybe it's the 17x11 wheels 😃

                Any debris in the shield?

                This is on stock wheels

                museum sig 2earl.jpg

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                • KaiserRollsK
                  KaiserRollsK
                  KaiserRolls
                  wrote on last edited by
                  #17

                  Hm

                  100% positive the hub is in perfectly

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                  • EarlE
                    EarlE
                    Earl
                    wrote on last edited by
                    #18

                    straight6pwr said:

                    shooting in the dark here, as it seems like you've eliminate almost everything to do with the brakes/rotor/ebrake/wheels/etc.

                    the dust plates on the rear diff inputs/outputs can make that noise if they start rubbing on the case or something becomes lodged in them. i guess braking could cause just enough driveline movement to make the sound increase?

                    I'll take a peek at that. I just find it odd that this happened the day I did RTABs but it has had nothing to do with anything I touched when I replaced them

                    museum sig 2earl.jpg

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                    • straight6pwrS
                      straight6pwrS
                      straight6pwr
                      wrote on last edited by
                      #19

                      well if you replaced rtabs, then the whole trailing arm could be slightly moved compared to before, what might this effect? axles/stubs/wheel bearings would be on that list.

                      Dan
                      yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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                      • patsbimmer1P
                        patsbimmer1P
                        patsbimmer1
                        wrote on last edited by
                        #20

                        e36.PNG.25c1bbf8562a2402c13d04c8a5c9ba1c

                        56f1a850707cde36-1.PNG.bd07d84107c39c47

                        2011 e90 M3 - DCT, Borla exhaust, BMW Performance Black Grille, ECS Painted Corners, Ziza Angel Eyes

                        07 335i Stella - sport package, BMS DCI, zhp knob, TMS cf parking brake lever, VRSF downpipes, MHD tune, H&R race springs, other stuff *SOLD*

                        97 328i Lola - sport package, m50 intake manifold, m50 manifold.com install kit, custom CAI, K&N filter, Borla exhaust, FK silverline coilovers, 25.5mm front sway bar, Powerflex front sway bushings, Turner Radiator, fan delete *sold*
                        95 325is *sold*
                        93 nissan 240sx KA-T *sold*

                        BMWCCA #473306

                        Instagram @patsbimmer1

                        AKA- HALLWAY PAT

                        "burnouts bring babes and babes dont have time for bushings" - Kaiser Rolls

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                        0
                        • EarlE
                          EarlE
                          Earl
                          wrote on last edited by
                          #21

                          straight6pwr said:

                          well if you replaced rtabs, then the whole trailing arm could be slightly moved compared to before, what might this effect? axles/stubs/wheel bearings would be on that list.

                          It's definitely a brake related issue.

                          museum sig 2earl.jpg

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                          • EarlE
                            EarlE
                            Earl
                            wrote on last edited by
                            #22

                            patsbimmer1 said:

                            e36.PNG.25c1bbf8562a2402c13d04c8a5c9ba1c

                            56f1a850707cde36-1.PNG.bd07d84107c39c47

                            The only thing it could be from that list is that the vent bore of the master is clogged.

                            museum sig 2earl.jpg

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                            • KaiserRollsK
                              KaiserRollsK
                              KaiserRolls
                              wrote on last edited by
                              #23

                              Guide pins all lubed and crap?

                              1 Reply Last reply
                              0
                              • EarlE
                                EarlE
                                Earl
                                wrote on last edited by
                                #24

                                Brand new caliper lol. Lubed to the T. Let's put it this way. From the hardlines to the caliper, there are no issues. 

                                Just noticed if I lock my brakes up to stop, my caliper sticks pretty good until I start to move. Something isn't allowing the pressure to relieve normally.

                                museum sig 2earl.jpg

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                                • straight6pwrS
                                  straight6pwrS
                                  straight6pwr
                                  wrote on last edited by
                                  #25

                                  coincidence it started when you did your rtabs?

                                  Dan
                                  yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

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                                  • KaiserRollsK
                                    KaiserRollsK
                                    KaiserRolls
                                    wrote on last edited by
                                    #26

                                    Anything in the union? Maybe some crap in there?

                                    1 Reply Last reply
                                    0
                                    • EarlE
                                      EarlE
                                      Earl
                                      wrote on last edited by
                                      #27

                                      Going to swap out the master tomorrow and do a full fluid flush to see what happens.

                                      museum sig 2earl.jpg

                                      1 Reply Last reply
                                      1
                                      • jc43089J
                                        jc43089J
                                        jc43089
                                        wrote on last edited by
                                        #28

                                        Moving the trailing arm to do the rtabs could have dislodged a chunk of something in the brake line. Is the little hard line that is attached to the trailing arm new/clean?

                                        Sent from my 831C using Tapatalk

                                        2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
                                        3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
                                        '89 325i Vert, Alpine White: 5spd swapped, sold.

                                        '04 Toyota Sienna: 24V to 24V swap in progress

                                        '05 Volvo V70R, 6spd.  200k
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                                        '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

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                                        • EarlE
                                          EarlE
                                          Earl
                                          wrote on last edited by
                                          #29

                                          It isn't new but it is nice and clean

                                          museum sig 2earl.jpg

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