![]() ![]() Hope this help, i don't think you have a bearing issue.īUSHING DUST (FOR FRONT DISC BRAKE) BOOT $4. Typically these bolts require only 25- to 35-ft/lbs of torque. It is a rookie mistake to go nuts on these bolts and break the heads off. I'm betting your noise is attributed to the pads not releasing or becoming cocked. Over torquing the caliper guide pin bolts: Caliper guide pin bolts typically need a 13mm wrench to remove. You want to use a lithium soap base glycol grease. You can install new dust boots on the torque plate and then grease the sliding pin and boot. The pads can also give you an idea if it's thickness is much different on the other side. After a moderate drive, you'll be able to feel the heat eminate off the caliper more on one side if there is a problem. Often times you can tell by simply a temperature difference. If a caliper is badly seized, especially in the front, then it can actually pull the car to one side(happened to me). Usually what happens is the rubber boot gets old/cracks and debris/dust buildup gets into the boot and prevents the pins from riding on a smooth surface and the grease is lost. It sounds like your caliper is slightly seizing up because your pins aren't letting the torque plate move, as you seen they should be pretty free. In fact, in some cases moisture can occur even if the boot is not damaged, due to condensation caused by the constant heating and cooling in and around the brakes. Any way this can be attributed to those stiff pins? Thanks for any help you can provide! Why Brake Caliper Slide Pins Seize As before, with the brake piston boot, the caliper slides also have a rubber boot that if damaged can let moisture and dirt in, causing it to seize. But the noise is similar, and really becomes more pronounced when braking-like a low pitched hum or whine, like something is rubbing. I've replaced both the front bearings within the past two years, so I'm really betting (and praying) that it's not the case. It is similar to a failing wheel bearing, but the noise doesn't change at all when turning the wheel from side to side. (PAIR) Trailer Disc Brake Caliper Mounting Slide Pin Guide Bolts, fits Kodiak 225 and 250 Calipers-This is a replacement pair of trailer disc brake ca. My question is, what kind of symptoms would stiff sliding pins produce? I have been noticing an odd noise lately which is why I wanted to replace the brakes in the first place. When I was cleaning them the first time, it seemed the cylinders/rubber boots they slide in were gummed up with a lot of old grease buildup so I'm hoping this can be easily solved. I'm planning on going back in this weekend and really trying to clean out that bracket that houses those pins. Looking back on it, it seems unnatural that they'd be that stuff. I had to use a combo wrench just to prevent them from spinning on that side to actually tighten the caliper. I pulled them out, regreased them and reassembled everything, but then I got to the passenger's side where I noticed the pins over there moved very freely and without any effort at all. In recently replacing my front brakes (rotors and pads after I discovered warping), I noticed the two caliper slide pins were rather stiff-especially the "top" one. ![]()
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