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[FMTRVT]

There is no way to "check" the hoses without xray or cutting them apart. But they are usually OK unless there had been repair work done lately or you have a lift.

It's not a matter of just checking the slide pins, but also if the pad ends are sticking in the brackets as well. Sticking in the brackets can be just as bad as the slide pin issue.

Anytime there is a pull it's also best to check both the front and rear brakes. A rear temp spread or issue and casue the same problem.

But you mentioned the the right front caliper was sticking. Depending on how it was sticking. Initially there is just a lot of hysteresis where the piston does not return, later it becomes and issue where the piston does not move.

But any situation where the pad does not retract from the rotor and allowing it to run hotter (semi-met materials are more effective hot so most often pull to the hot side) can casue the friction on the hot running side to carbonize more and therefore be more effective. The solution is to go out and do some of the "bedding in" stops that some friction material manufactures recommend. That is do about 5 stops from 50 to 5 miles an hour and cool for 1/2 mile between stops. You don't fully stop between each application. Let the brakes fully cool by driving for 5 miles then see what happens. Sometimes you have to repeat, but don't go too crazy as excessing repeat stops will heat the brakes enough to burn the caliper boots.

Now if there was new friction installed on the front then this would not apply.

In 30 years of testing friction material with full temperature instrumentation, we found that a test driver would start to observe a pull once there was a disparity of 100F from right to left side. And this was with new calipers for each 2 week test. Often just the pushing back a finicky caliper piston would do the trick if we didn't find a slide or pad hanging up. When we built a vehicle for a test we always checked the sliding force of the pads in the bracket and piston itself, and this could still occur. If the pad developed a heat conditioning due to waiting a day or two to get it on the lift, many time the flipping of the outer pads drivers side to passengers side would give enough of a friction or torque balance (high friction left outer, low friction left inner / high friction right inner, low friction right outer) that we could continue the test without further issues. In about 2,000 brake application all pads would be back to even friction.

But here my main concern would be to check the rears as they cause issues and when they go bad the wear out very quickly without the driver realizing it.