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Old 11-20-2009, 09:42 PM   #1
seafajr.
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Location: Seattle, WA
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2006 Baja Sport
Atlantic Blue Pearl

Default Rear brakes wearing faster than front.

I was wondering if anyone else has had the same problem. My rear brake pads are just about worn out but the pads on the front are only halfway down.
From what I understand, this is normal on some cars but every car I've ever owned before, the fronts always went faster. I'd usually go through 2-3 sets of front pads before the rears needed to be replaced.
My 06 has only 27,900 miles on it but Seattle is very hilly and the traffic is horrible so I use the brakes a lot.
A little off the subject, anyone else live somewhere hilly have any idea how long the clutch will last?
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Old 11-21-2009, 09:21 AM   #2
kev m
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2011 Nissan Juke

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Mine are real close - I THINK the rear is wearing a little faster, but not by much (I check them twice a year when I put on/take off the snows).

On the last state inspection (not even a month ago) the tech listed 3mm for all 4 wheels, but I don't necessarily think they pay THAT close attention despite the paperwork.

For what it is worth my wife's last two cars (Turbo Beetle and Mini Cooper S) both regularly wore out the rears before the fronts.

I'm kinda ASSuming that most manufactrurers are just balancing the amount of brake material at the rear vs. the front - i.e. less surface area and/or thickness of pad at the rear since it does less braking.

And maybe with smaller cars like the Beetle and Cooper, there's proportionally less weight shift on the much shorter wheelbase.

Either way, I'm pretty sure I'm going to need pads soon, rear and maybe front too - and the Baja has only 33k on it right now.
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Old 11-21-2009, 11:55 AM   #3
Guzzler
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Yep, mine are the same way. Rear wears faster than the front.

My dealer noted that it was time to replace the rear pads when I was having rear shock issues. They quoted the price for new pads and I was somewhat stunned. I said I would be doing the repair myself.

WOW! It was the easiest pad replacement I had ever done! Even with separating the caliper assembly to re-lube the guide pins. Which I think is why the rears wear faster than the front.

I have a motorcycle that does the same thing (rear wears faster than the front). On the forums 'we' deduced that it was because the caliper guide pins were getting all "gunky" and not allowing the caliper to separate properly after use. So the consensus was to check the caliper on every oil change (pull apart, check the pins, clean and lube if necessary). Guess what? The pads are wearing evenly.

So, long story short, check the calipers at least once a year, to make sure they separate properly.
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Old 11-21-2009, 12:03 PM   #4
kev m
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Guzzler - jeez a BIKE where the rears wear first holy crap yeah it would have to be dragging immensely!
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Old 11-21-2009, 04:05 PM   #5
seafajr.
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I have never cleaned the guide pins before. What do you use to clean and lube them?
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Old 11-22-2009, 11:02 AM   #6
Guzzler
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Quote:
Originally Posted by kev m View Post
Guzzler - jeez a BIKE where the rears wear first holy crap yeah it would have to be dragging immensely!
Tell me about it! Rather frustrating because there weren't any aftermarket pads being offered at the time and OEM was $$$$$. Not to bad anymore as there are finally aftermarket pads available now.

Quote:
Originally Posted by seafajr.
I have never cleaned the guide pins before. What do you use to clean and lube them?
Brake cleaner and a rag works 99% of the time. Sometimes you have to use a Scottbrite pad. Brake caliper grease to lube them.

When I picked up my pads at Checker, they included a little packet of grease, with instructions NOT to put the grease on the back side of the pads (normally you do), but to separate the caliper and lube the pins. Just had to unbolt the entire caliper and pull them apart. Working the rubber boots off and on the guide pins was the most difficult part (wasn't really difficult but just be careful).

I found PDF Legacy repair manual online somewhere, and read the brake section just to make sure (check your local library, they might have a copy).

I've only recently changed the rear pads, so I can't really comment if it is a cure-all. But in a couple thousand more miles, I might be able to say.
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Old 11-22-2009, 04:45 PM   #7
kev m
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So Guzzler I take it the rear calipers on our Bajas don't integrate the parking brake? I.E. don't need the pistons rotated back in? Is the parking brake separate, like a drum inside the hub or something? I've never checked and haven't had to do the brakes yet, but I will soon.
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Old 11-22-2009, 05:58 PM   #8
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Quote:
Originally Posted by kev m View Post
So Guzzler I take it the rear calipers on our Bajas don't integrate the parking brake? I.E. don't need the pistons rotated back in? Is the parking brake separate, like a drum inside the hub or something? I've never checked and haven't had to do the brakes yet, but I will soon.
It's a separate drum setup. Actually I think it's worthless. I can't tell how many times I've pulled out with the damn thing engaged. Really couldn't tell it was on. Maybe I should look into how to adjust it
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Old 11-22-2009, 06:35 PM   #9
seafajr.
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I agree, the parking brake setup is pretty useless. I have to pull the parking brake handle all the way up really hard to keep the car from rolling on a hill. If you forget to park it in gear, you risk finding your car at the bottom of the hill.
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Old 11-22-2009, 07:08 PM   #10
kev m
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Quote:
Originally Posted by Guzzler View Post
It's a separate drum setup. Actually I think it's worthless. I can't tell how many times I've pulled out with the damn thing engaged. Really couldn't tell it was on. Maybe I should look into how to adjust it
Quote:
Originally Posted by seafajr. View Post
I agree, the parking brake setup is pretty useless. I have to pull the parking brake handle all the way up really hard to keep the car from rolling on a hill. If you forget to park it in gear, you risk finding your car at the bottom of the hill.
Funny you guys should say that cause it's adjusted perfectly on mine.

As in I started to engage the clutch the other day with it still on and the car just squatted and didn't move which jolted me awake to my stupidity.

So yeah, I'll say it's likely a matter of adjustment.
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Old 11-22-2009, 07:52 PM   #11
seafajr.
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I took it to the dealer and they adjusted it, but it didn't help. Of course, we have a lot of hills here in Seattle. It's not a problem if it's a slight incline or flat.
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Old 11-22-2009, 08:14 PM   #12
kev m
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Quote:
Originally Posted by seafajr. View Post
I took it to the dealer and they adjusted it, but it didn't help. Of course, we have a lot of hills here in Seattle. It's not a problem if it's a slight incline or flat.
I'll have to check it on a steep incline (while I'm still sitting behind the wheel)

But yeah, even then I wouldn't trust it, i.e. I always park in gear anyway.
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Old 11-22-2009, 09:15 PM   #13
seafajr.
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Yes, only while you are behind the wheel. You don't want to end up like the couple that totaled my mom's minivan years ago.
Their car stalled on the top of their street. The husband gets out to try to push the car off to the side of the street. This is on a hill, mind you. Then the wife, the driver, gets out to help push. Now there is nobody in the car and it rolls down the street into my mom's van.
My mom happened to be stepping out of the house to go shopping and saw the whole thing.
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Old 11-22-2009, 10:05 PM   #14
kev m
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Yikes - the things some people do...
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Old 11-26-2009, 02:22 PM   #15
Slug71
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I've noticed this too. We've had our Baja since July and the dealership replaced the front rotors and pads all round. Already needs new pads and rotors on the rear.

Are the rotors F&R, same sizes between the year models, ie. 03-06? And also turbo or non-turbo?
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