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Recent
Commented
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Caliper rebuild
Thermo
May 12, 2012
9
0
Description:
A pictorial of what needs to be done to rebuild a caliper on an X-Type. Other cars will be very similar.
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Top shot of the caliper. Notice how the e-brake arm is nice and rusty. You will see later where this rust has caused this to bind up. If you see the post at the 4 o'clock position on the lever, that should be up against the bolt at the 6 o'clock position. Obviously frozen.
0
2012/05/12 13:02:07
Thermo
The start of the rebuild. Underneath shot. Notice the 5 point (14mm) bolt. You will need to remove this later. Requires a special (pentasocket) socket.
0
2012/05/12 13:02:07
Thermo
Starting to remove the piston. Rotate till the piston will not come out any more. Then pull the piston straight out. If you are even at a slight angle, it will fight you the whole way. You see that the boot will stretch to fit over the piston.
0
2012/05/12 13:02:07
Thermo
Inside shot of the caliper. The rubber weather gasket for the piston has been removed. But the inside piston seal is still there (black ring).
0
2012/05/12 13:05:26
Thermo
The e-brake lever has been removed. You can see the weather seal there. You will need to remove this. A small screw driver will allow you to slide under this seal and it will pop right off.
0
2012/05/12 13:05:26
Thermo
If you look closely, you can see a brown ring between the shaft and the body of the caliper. That is rust. The shaft has rusted to the body, resulting in the e-brake not being able to move. You need to remove this rust.
0
2012/05/12 13:05:26
Thermo
Shot of the Pentabolt removed. Look inside the hole. Make special note of how the inside piece is positioned. You will need to return it to this position. It fits many ways, but can only be installed 1 way for everything to work properly.
0
2012/05/12 13:08:19
Thermo
If you look at the collar of the actuator and the matching surface of the caliper body, you can see all the rust that is the issue. All if this needs to be removed. You should be able to put the two pieces back together and move them with your hand when you are done. Do not forget to lube them to prevent future problems.
0
2012/05/12 13:08:19
Thermo
The mating surfaces cleaned. You can see the dramatic difference between before and after. At this point, put the caliper back together and you are golden. Just don't poke a hole in the weather seal for the piston
0
2012/05/12 13:08:19
Thermo