Brake calipers....

I have about 95,000 miles on my 2005 DC and the brakes felt low. Had the front ones done around 75,000 about 3 years ago, so figured it might be time for the rear ones to be done.

The mechanic did the rear brakes, but during a test drive he felt the truck pull to one side when braking. After checking the pads he found one side was worn more than the other and one caliper not opening and closing as it should. He ended up Replacing one front caliper.

When I checked my records I saw that the same front caliper was replaced three years ago. Should I check to see if something else is going on to mess up the front calipers?

I trust the mechanic, but don't want to keep going through brake calipers if something is getting missed.

 

Get the brake fluid flushed. It could have moisture in the brake fluid causing corrosion of the pistons.

 

How did the moisture get in? Bad seal?

 

+2. Tacomas and FJs are notorious for frozen inside lower pistons due to moisture.

 

Brake fluid absorbs moisture due to heating and cooling cycles, metal lines, humidity, etc.

 

yup ... I had a 72? Monte Carlo that the lines rusted from the inside out .... I try to get my fluid changed during a brake job at least every 5 years (or sooner).

I also had a vehicle that water from the fluid and/or from around the dust boot got into the cylinder top edge to caliper wall area. The cast iron caliper bore began rust pitting and growing until it built up and froze the piston. I was going to rebuild the caliper bit when I saw that I just bought a new one.