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Old 05-07-2021, 11:46 PM #16
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Quote:
Originally Posted by gamefreakgc View Post
Holy rust Batman! That's a hole that I see where it's not supposed to be! I don't think your dust shield is going to last much longer.

Hah there is some rust in random places, but itís mostly clean. 95% of that brown stuff is actually KY clay from the Kentucky Adventure Trail. Stuffs impossible to even pressure wash off.
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Old 05-08-2021, 03:55 PM #17
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Tundra Brake Fit Issue - resolved

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Originally Posted by calimobber View Post
Sweet glad you got it figured out. Let me know how they feel? If the brake peddle gets softer or not. Seems some people have the issue and others dont.

softer longer push( feels like air in lines) but when it firms up its stronger.

Pedal feels fine. Iíve got speed bleeders all around, so that makes it an easy one person job. Whatís weird though is that in the first few miles everything felt great, and then after that, light pulsing at low speed came back.

It was like that before, though, and I assumed my friend who doesnít know about engine braking got the rotors/pads real hot on the mountains. Figured if I was gonna do the brakes, then itís a good time for an upgrade. Itís really smooth under heavy braking, which is strange. Maybe itís a booster issue or something, though I didnít think the earlier ones (mines a Ď98) had a power booster?

Last edited by cas5259; 05-08-2021 at 06:43 PM.
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Old 05-08-2021, 11:59 PM #18
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Quote:
Originally Posted by cas5259 View Post
light pulsing at low speed came back.
no offense, but should ask if you bedded them. i followed @absalom 's procedure and they worked far better for me after that and one last bleed.
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Old 05-09-2021, 11:15 PM #19
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Quote:
Originally Posted by cas5259 View Post
Pedal feels fine. Iíve got speed bleeders all around, so that makes it an easy one person job. Whatís weird though is that in the first few miles everything felt great, and then after that, light pulsing at low speed came back.

It was like that before, though, and I assumed my friend who doesnít know about engine braking got the rotors/pads real hot on the mountains. Figured if I was gonna do the brakes, then itís a good time for an upgrade. Itís really smooth under heavy braking, which is strange. Maybe itís a booster issue or something, though I didnít think the earlier ones (mines a Ď98) had a power booster?
I had the same thing. Bedding the brakes heavily got rid of it.
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Old 05-10-2021, 02:46 PM #20
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Tundra Brake Fit Issue - resolved

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Originally Posted by photoleif View Post
no offense, but should ask if you bedded them. i followed @absalom 's procedure and they worked far better for me after that and one last bleed.

Yeah I bedded and bled properly. Donít think itís the fronts, though. Maybe it was the rears this whole time. I installed new drums/shoes/cylinder/hardware along with the wheel bearings and axle seals last year. Everything was fine for about 5k miles. I can increase the pulsing with the ebrake so itís not the front.

Left drum is 350F after minimal braking. Right drum is 145F, so somethings going on. Bell cranks are free. I took it to the shop who turned the drums last year and they backed off the adjusters and said it was fine, no charge. It was fine for about 5 minutes, then it came back. It seems to only pulse when the brakes are warm. The first few minutes of driving are normal. Now Iím worried the heat has roasted the wheel bearing on that side - that job was a pita.

Last edited by cas5259; 05-10-2021 at 10:29 PM.
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Old 05-10-2021, 05:15 PM #21
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Quote:
Originally Posted by cas5259 View Post
Yeah I bedded and bled properly. Donít think itís the fronts, though. Maybe it was the rears this whole time. I installed new drums/shoes/cylinder/hardware along with the wheel bearings and axle seals last year. Everything was fine for about 5k miles. I can increase the pulsing with the ebrake so itís not the front.

Left drum is 350F after minimal braking. Right drum is 145F, so somethings going on. Bell cranks are free. I took it to the shop who turned the drums and they backed off the adjusters and said it was fine, no charge. It was fine for about 5 minutes, then it came back. It seems to only pulse when the brakes are warm. The first few minutes of driving are normal. Now Iím worried the heat has roasted the wheel bearing on that side - that job was a pita.
Your wheel bearing is probably fine. If you can try swapping the drums side to side and seeing if the high temps follow the drum. Is there any fluid/gear oil on the shoes?
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Old 05-10-2021, 10:30 PM #22
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Tundra Brake Fit Issue - resolved

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Originally Posted by Bad Luck View Post
Your wheel bearing is probably fine. If you can try swapping the drums side to side and seeing if the high temps follow the drum. Is there any fluid/gear oil on the shoes?

No fluid in sight. Will swap drums tomorrow and report back. I disconnected the parking brake to each wheel earlier to no effect.

Is it possible for the auto adjusters to extend too far? I donít know why this would be happening now, a full 5k miles after installing everything.

Last edited by cas5259; 05-10-2021 at 10:36 PM.
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Old 05-11-2021, 06:58 PM #23
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Swapped drums and had the same problem. Did notice that when the ebrake is pulled, the hot side bell crank lever extends all the way, but the cold side doesnít. Theyíre not frozen or anything, I packed them with grease during the refresh.

Hot side ebrake pulled


Cold side ebrake pulled


Thoughts?
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Old 05-13-2021, 11:55 AM #24
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Quote:
Originally Posted by cas5259 View Post
Swapped drums and had the same problem. Did notice that when the ebrake is pulled, the hot side bell crank lever extends all the way, but the cold side doesnít. Theyíre not frozen or anything, I packed them with grease during the refresh.

Hot side ebrake pulled


Cold side ebrake pulled


Thoughts?
Do you have any photos of the brake shoes right by the bell crank lever? I had a problem with the grease from my bell cranks dripping onto the drum/shoe once the brakes heated up enough.
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Old 05-13-2021, 11:37 PM #25
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No pics, but the shoes were dry.
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Old 05-14-2021, 09:17 AM #26
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Quote:
Originally Posted by cas5259 View Post
No pics, but the shoes were dry.
I saw your other post where you swapped drums side to side and the vibration followed the drum. That tells me that the original side the drum was on (left side if I remember correctly) has a problem with getting too hot. I would bet that the adjuster is over adjusting. This could be due to a faulty adjuster assembly or incorrect setup. Have you compared the drum brake setup on both sides to see if there is any difference in setup. They should be mirror images of each other.
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Old 05-14-2021, 10:20 PM #27
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Tundra Brake Fit Issue - resolved

Quote:
Originally Posted by Bad Luck View Post
I saw your other post where you swapped drums side to side and the vibration followed the drum. That tells me that the original side the drum was on (left side if I remember correctly) has a problem with getting too hot. I would bet that the adjuster is over adjusting. This could be due to a faulty adjuster assembly or incorrect setup. Have you compared the drum brake setup on both sides to see if there is any difference in setup. They should be mirror images of each other.

New drums seem to have solved it. Braking is smooth at any speed for now. Time will tell if there is over adjusting going on. I wonder if the last set of drums were so thin that they were able to get hot and possibly warp a bit.

Last edited by cas5259; 05-15-2021 at 08:07 AM.
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