Pictures of how I fixed the brakes on my 87-95 Nissan Pathfinder.
Front Wheel Hubs and Brake Disks.
Brakes are weak. Not necessarily spongy or air in the lines, just weak brakes. New brake pads and shoes should fix that.
Also the front disks are scored pretty bad, so I should get those turned or just replace the disks.
Also I have to take the hubs off the front to change the disks, so might as well repack the hub bearings.
Also I might as well bleed the brakes and put in new brake fluid while I'm in there.
So a 30 minute job turned into 3 days pretty quick.
I'm going to change the front brake disks because the old ones need turning,
and new disks are cheaper (Chineesier (I am so going to hell)) than getting the old ones turned.
I'll need to get the hub off to get at the old disk. Six hub bolts get WD40.
WD40 for the brake caliper bolts, circled in yellow.
I should have put penetrant on the bolts that hold the slave cylinders onto the brake pad assembly,
circled in red, but they came off ok without it.
I cracked the hub bolts loose while still on the vehicle.
I put a screwdriver through the brake caliper and into the disk to hold it while I broke the bolts.
Then I pulled off the brake caliper. First the cylinders, then the brake pad assembly.
And I set the cylinders on a box so there would not be pressure on the brake line.
Next I cleaned the hub cap of the major crusty junk. A real cap covering the actual hub.
Then I used a small screwdriver and a rubber hammer to pop off the hub cap.
OK, on the first wheel I did this before the brake caliper, but I found it easier to do it in this order on the second hub.
Under the hub cap is a retaining ring (locking washer) that stops the hub nut from turning loose. The retaining ring is held in with two small screws.
Under the retaining ring, the hub nut was in so loose that I started to unscrew it before I even figured out it was a nut.
I stuck a screwdriver into a hole and just spun it. I could have used my fingers but it was too slippery and greasy.
The hub bolts are already loose, so I unscrewed them and the hub fell off the axle.
The outer bearing also fell out.
I pried the hub from the disk with two screwdrivers.
I cleaned the axle, bearings, and hub off with a mess of paper towels and regreased.
Sorry I did not get a pic of the bearings. They look like bearings.
I put the hub onto the new shiny chineesey disk and torqued the bolts to about 40 ft lbs.
I put it all back onto the axle and torqued "the shit out of it" per factory spec.
I put a bolt into the hole and hit that with a screwdriver and hammer.
Then I put the tires on and drove on it for a week because that's what I thought I was supposed to do.
Then I read the FSM while writing this up.
Then I loosened the hub nut all the way, and then tightened it finger tight.
Really loose. Barely tight at all. Not hand tight, finger tight.
I installed the lock washer, screws, and hub cap.
Then the brake pad assembly with new pads,
with some grease on the OUTSIDE of the pads to make the pad/caliper interface smoothly. I probably used 8X too much grease.
I clamped the brake pistons into the cylinders so they would fit over the pads.
- Clamping the cylinders forced the brake fluid back up into the brake reservoir. Both front brakes was enough to almost overflow it. Also front hubs, disks, pads, and brake bleed in the menu on the left.
- Then I put on lots of more bolts and junk. Yes, I wrote that sentence.
- Next I sold out to make 02¢
so I can fulfill my lifelong dream of owning a 1986 944 with blown head gaskets.
But no minivans!
- Then I finished my beer.
Also rear brake shoes and brake bleed in the menu on the left.
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Think: Cars are expensive, powerful, and heavy. Before I start work, I face the possibility that I will destroy my vehicle, my own life, and innocent pedestrians' lives. If anyone messes with a 4000 lb machine capable of 100 mph, these are real possibilities. If I get in over my head, I call a professional mechanic. The information on this website is provided only for entertainment purposes, and it is not intended as advice on how to service a vehicle. For all you know I made this up. Don`t believe everything you read on the internet.
Disclaimer: The technical information in these documents is provided without any warranty whatsoever and at no cost. All information is in general terms and is not meant to apply to your particular situation, be current at the time you read it, or even be correct in the first place. Improperly maintained vehicles can lead to serious injury, death, or unavoidable accidents. The author is not responsible for any errors on this site, and does not make any claim at all about the validity, safety, or veracity of the information contained on this website. Any work you choose to do or not to do on your vehicle is done at your own risk. The information on this site is not intended to serve as a replacement for professional advice, professional workmanship, dealer service, union labor, or psychological counseling. The author disclaims any and all liability directly or indirectly arising from the application or use of any information or idea contained on this or any other web site. By opening this page, you agree to never sue anyone ever or allow anyone to be sued on your behalf. The appropriate professional should be consulted regarding your specific condition. BeerGarage.com does not take responsibility for the information posted on other sites to which it links.
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Last modified: 11/25/2014