I changed the pads on my 94 B150. It was the first time I have done the brakes on a B150.
The passenger side works fine. The drivers side brake pads have play in them. There is a clunking sound that goes away when pressure is applied to the brake pedals.
The hardware kit came with 4 things that look like rubber bands. I did not install them, because I could not figure out where they went.
Do the pads need to be shimmed, or is it a caliper problem, or something else?
Thanks
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Are you saying that the pads actually float while sitting in the caliper? Can you move the pads while they are resting in the caliper, or are you just hearing a rattle while driving?
It is kinda hard for me to even fathom this unless someone put the wrong pads in the box. I mean pads are to fit so tight and snug and some even have pressure springs on them to make them tighter. When I say wrong pads in the box, I mean that either the mfg put 2 different sets in the box or at the store, when a salesperson was showing someone different types of pads, they through the wrong ones back in to the box.
This has happened to me once before. My habit since is when I change brakes, I always hold up the new pads to the old pads for a visual comparison. Then once I actually have them in, I put some force on them to see if they will move at all.
I would take the pads out and compare them to each other to see if they are the same. If they are, then look to see if the caliper is damaged in anyway that prevents the pads from fitting snug into place. I would not wait on doing this because if one set is moving around, everytime that you hit the brakes, it is going to slam that pad into the walls of the caliper and when it gets hot, you can crack it.
If you are not sure, post up pics and I can look to see if something looks weird or not.
In and out play, as in the caliper isn't keeping the pads tight to the rotor? Or, front to back, as in the length of the pad seems about 1/8" shorter than the space it's supposed to fit into?
I've had this issue on every new set of brakepads I've bought.
It is the outside brakepad doing the rattling. The one that does not slide.
The two tabs which hand over the caliper, need to be tamped down.
My haynes manual says to remove the pad and hammer lightly the tabs down.
I've had better results by
Placing a flathead screwdriver inbetween the pad and rotor, and lift the pad up 1/16 to 1/8 of an inch.
Then start the vehicle and rig a way of holding the brake pedal down, or get an assistant.
With the pad held tight to the rotor by the brakes get a hammer and hit the tabs until they rest on the caliper. They bend easily. Do not hit the cast iron caliper. Not much force is needed, just precision of strike.
No more rattles.
Also I recommend while you have the caliper off, take a wire brush to the grooves that the inside brake pad is designed to slide in and out on. and apply a light coat of high temp grease.
"Using a pair of channel locks to squeeze the tabs down is a lot simpler."
While this can be done with the pads removed, it cannot with them in the caliper.
It would also require a pretty good size pair of Channel locks and some strong forearms. And some trial and error. And I would not want to be bending the tabs more than once. Which could easily happen with the channel locks.
Doing it in the calipers with with the hydraulics engaged is almost idiot proof, unless one has no accuracy in swinging a hammer.
Thanks for the replies. I got a new set and the problem is resolved.
Quote:
Originally Posted by L and R Two
Are you saying that the pads actually float while sitting in the caliper? Can you move the pads while they are resting in the caliper, or are you just hearing a rattle while driving?
It is kinda hard for me to even fathom this unless someone put the wrong pads in the box. I mean pads are to fit so tight and snug and some even have pressure springs on them to make them tighter. When I say wrong pads in the box, I mean that either the mfg put 2 different sets in the box or at the store, when a salesperson was showing someone different types of pads, they through the wrong ones back in to the box.
This has happened to me once before. My habit since is when I change brakes, I always hold up the new pads to the old pads for a visual comparison. Then once I actually have them in, I put some force on them to see if they will move at all.
I would take the pads out and compare them to each other to see if they are the same. If they are, then look to see if the caliper is damaged in anyway that prevents the pads from fitting snug into place. I would not wait on doing this because if one set is moving around, everytime that you hit the brakes, it is going to slam that pad into the walls of the caliper and when it gets hot, you can crack it.
If you are not sure, post up pics and I can look to see if something looks weird or not.
Were they the wrong pads, or just badly fitting pads?
My guess is that they were bad fitting pads. I have even found that the heater hose steel tube that goes into the Magnum series water pumps are made in different OD sizes. I had to return one for being to large for the opening on the pump. And yet at the next auto part store I was told only one company makes those tubes for all the different parts stores.
Brake Pads Loose
