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post #61 of 118 Old 06-25-2009, 05:29 PM
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great write up! I plan on swapping out my rotors & pads after the summer.
did you replace just the front rotors? which ones are using? I looked through the thread but didn't see you mention that. definitely want something that won't rust.

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post #62 of 118 Old 06-29-2009, 11:01 PM
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I'm planning on inspecting my brakes this weekend.

Here are some questions I got:

1) How worn out should the pads be when replacing them?
2) How can you tell if the rotors are in need of a replacement (bad/warped)?
3) When tightening the bolts on the calipers, my torque wrench has a lowest torque of 30 ft*lbs, which is higher than the required amount for the caliper bracket (20-25 ft*lbs). Can I just make sure that it's very tight and not worry about the torque for these bolts? I bought the torque wrench for the lug nuts.

4) When bleeding brakes, how do I disconnect the brake cable? Do I bleed 1 side at a time? When you say 5-6 pumps, do you mean leaving one brake cable disconnected and leaving a bucket under it, and pressing the brake pedal in the car 5-6 times? If I were to bleed the brakes for all 4 of them, does this mean pumping 4* 5 times = 20 times? Is it very necessary to bleed the brakes?


Thanks for the advice!
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post #63 of 118 Old 06-29-2009, 11:41 PM Thread Starter
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Originally Posted by mrlifeguard View Post
1) How worn out should the pads be when replacing them?
2) How can you tell if the rotors are in need of a replacement (bad/warped)?
3) When tightening the bolts on the calipers, my torque wrench has a lowest torque of 30 ft*lbs, which is higher than the required amount for the caliper bracket (20-25 ft*lbs). Can I just make sure that it's very tight and not worry about the torque for these bolts? I bought the torque wrench for the lug nuts.

4) When bleeding brakes, how do I disconnect the brake cable? Do I bleed 1 side at a time? When you say 5-6 pumps, do you mean leaving one brake cable disconnected and leaving a bucket under it, and pressing the brake pedal in the car 5-6 times? If I were to bleed the brakes for all 4 of them, does this mean pumping 4* 5 times = 20 times? Is it very necessary to bleed the brakes?


Thanks for the advice!
1. i believe the wear indicators are set to squeak when there is about 3mm of brake material left on the nissan pads .

2. does your brake pedal pulsate when you are stopping ? is the rotor surface smooth or are there groves in them ?

3. just tighten the caliper slide bolts until they stop and then go another 1/8 turn .

4. it is not "necessary" to bleed your brakes but its good to do . if you are uncomfortable/have no clue on how to bleed brakes i suggest not doing it yourself . changing pads is easy , its 2 bolts and the pads can only go in one way , on the other hand bleeding your brakes wrong will cause them not to work properly or not at all .

if you have any other questions , feel free to ask .

Last edited by jimnolimit; 06-30-2009 at 12:05 AM.
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post #64 of 118 Old 06-30-2009, 05:50 AM
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Quote:
Originally Posted by jimnolimit View Post
1. i believe the wear indicators are set to squeak when there is about 3mm of brake material left on the nissan pads .

2. does your brake pedal pulsate when you are stopping ? is the rotor surface smooth or are there groves in them ?

Thanks for the quick reply.

What do you mean by pulsate? When I brake at very low speeds, it does make a bit of a noise. I can see lines on the rotors, like circular lines. Are those considered grooves?
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post #65 of 118 Old 06-30-2009, 06:12 AM
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You should torque the caliper bolts to around 25-30 ft. lbs. If you are going to change the rotors, then you will need to remove the caliper bracket which has (2) bigger bolts. They should be torque to 125-130 ft. lbs.

Pulsate means when you are braking, does the steering wheel shake back and forth rapidly?
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post #66 of 118 Old 06-30-2009, 01:01 PM
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Quote:
Originally Posted by bob1234 View Post
You should torque the caliper bolts to around 25-30 ft. lbs. If you are going to change the rotors, then you will need to remove the caliper bracket which has (2) bigger bolts. They should be torque to 125-130 ft. lbs.

Pulsate means when you are braking, does the steering wheel shake back and forth rapidly?
No it doesn't. Where did you get these specs? Is there like a link or is it in the manual?

Thanks!
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post #67 of 118 Old 06-30-2009, 02:58 PM
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Originally Posted by mrlifeguard View Post
No it doesn't. Where did you get these specs? Is there like a link or is it in the manual?

Thanks!
Max specs are 23ft-lbs for the pin bolts and 72ft-lbs for the bigger bracket bolts. The specs are in the service manuals

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post #68 of 118 Old 06-30-2009, 08:25 PM
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I don't like feel like going through all the pages now, I bet I am pretty accurate to the specs. I remember a month ago, I looked up the specs on the service manual online.

I actually tightened the caliper bolts to 25 and the caliper bracket bolts to 125. Now I am sure these bolts will never come off,unless you use a breaker bar and a cheater pipe.

I have had no problems so far and no noise at all.

P.S. I bought stock front rotors and 4 sets of pads from a dealer in CA for a good price.

Last edited by bob1234; 06-30-2009 at 08:29 PM.
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post #69 of 118 Old 07-18-2009, 02:02 AM Thread Starter
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post #70 of 118 Old 08-08-2009, 08:14 PM
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great writeup, jim. i changed my brake pads today and had no problems. one thing tho, does it really matter if the brake pads have shims? because my old break pads did not have it and neither does my new ones.

just make sure to wear a mask because you don't want to be breathing in the brake dust. sorry for hijacking, but here is a link for those who want to see a clip on "how to change brake pads": How to change the brake pads on a Nissan Altima - Video | Wonder How To


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post #71 of 118 Old 08-09-2009, 09:24 AM Thread Starter
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great writeup, jim. i changed my brake pads today and had no problems. one thing tho, does it really matter if the brake pads have shims? because my old break pads did not have it and neither does my new ones.
the shims help dampen sound , if your brakes are not making any noise , then you probably wont need them .
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post #72 of 118 Old 08-18-2009, 05:21 AM
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have you tried Satisfied Pro Ceramic. in my opinion there the best with stock rotors. dont know about slotted.

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post #73 of 118 Old 10-16-2009, 08:47 PM Thread Starter
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post #74 of 118 Old 12-26-2009, 09:13 PM Thread Starter
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post #75 of 118 Old 02-22-2010, 08:55 PM Thread Starter
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