Brake Calipers on Toyota 4Runner

Average mileage: 94,124 (40,000–140,999)
3 model years affected: 2004, 2005, 2007
9 people reported this problem
8 people shared problem details
2007 Toyota 4Runner75,000
In May of 2012, with approx. 50K miles on the vehicle, I had brake service performed on my 2007 4-Runner SR5 Sport 4WD. Pads and rotors replaced on all wheels. At 5,000 mile intervals after I brought the car to the dealer for oil changes and "inspection" of the brakes. A few days ago, at 75,000 miles I brought the car in for 75K inspection and mentioned a leak at the right front wheel which I suspected was brake fluid. Dealer called to say I had 2 front calipers frozen; replaced front calipers, all 4 rotors and pads and hardware. I asked for the replaced parts to be returned and verified that the calipers were indeed frozen, probably due to corrosion of the guide pins, but that the rotors were within spec and not pitted. The pads were scarcely worn. I live in an area where the winters are harsh and where roads are salted. Nonetheless I have never had these many caliper-related problems with any other car - save for a Ford Contour. I had heard that Toyotas were reliable. I'm beginning to wonder.
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2005 Toyota 4Runner55,000
Front right caliper froze. Had to replace both along with rooters and pads. 4k later the rear did the same thing. Initially had to replace calipers and pads at 35k. So much for Toyota quality. My tundra is hAving a similar issue.
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2005 Toyota 4Runner140,999
Front caliper seized vehicle was pulling to the right as I drove and applied brakes. I simply replaced them myself.
2005 Toyota 4Runner40,000
Front pass. side break caliper seized. Replaced with new caliper.
2004 Toyota 4Runner120,000
Replaced caliper and rotor
2005 Toyota 4Runner107,000
My calipers are frozen. Replaced them 3 years ago @ 89000 miles
Both fronts seized. Left for the second time.
Front PSide Break Caliper seized.
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