Rear Brake Rotor Question
04-20-24, 05:18 AM
#2
Moderator
The parking brake will self adjust to the new rotors. Just make sure it is off when trying to remove the rotor! The brake calipers always self adjust. Be sure to bed in the new pads.
See this video at the 11 minute mark.
See this video at the 11 minute mark.
Last edited by Clutchless; 04-20-24 at 05:21 AM.
04-20-24, 07:31 AM
#3
Moderator
Good to know that in 3rd gen the rears are self adjusting. The self adjusting mechanism is very simple and I was surprised that in the first gen they were not self adjusting.
Just to elaborate, when the rotor [which includes the drum for parking brake] is to be removed, the brake shoes may need to be backed off [lowered]. If the shoes have been seriously worn down the drum may form a lip and the rotor will not come off. The trick is to back off the adjustment and remove the rotor evenly from all side. You may have to use rubber mallet on all sides. During assembly with new shoes the adjustment has to be lowered or the drum will not fit. Once the rotor is on the shoes need to be initially adjusted and the start is turned till a slight drag is felt. I would suggest using rubber mallet again to shake the internals [floating shoes] to center them. [apply the brake lightly and then tap all around the drum].
Please use mask when working on the drum brakes. The dust in there is in somewhat trapped environment. Vacuum if necessary but do not use compressed air to blow it around.
Salim
PS: The difficult part is removing the rotor. If you are lucky it comes off without any issue but if things are worn to the point that the drum has formed a lip, be patient. If you force the shoes flip outwards and make the drum hard to remove. My 2c is, if there is no issue with parking brakes [modern day vehicles have a chime to remind that the parking brake is engaged as the driver tries to drive] and the rotor is not being removed, leave it alone.
PS to PS: If you have AWD, make sure you chock the wheels on ground and put the trans in N to rotate the rear wheel being worked on.
Just to elaborate, when the rotor [which includes the drum for parking brake] is to be removed, the brake shoes may need to be backed off [lowered]. If the shoes have been seriously worn down the drum may form a lip and the rotor will not come off. The trick is to back off the adjustment and remove the rotor evenly from all side. You may have to use rubber mallet on all sides. During assembly with new shoes the adjustment has to be lowered or the drum will not fit. Once the rotor is on the shoes need to be initially adjusted and the start is turned till a slight drag is felt. I would suggest using rubber mallet again to shake the internals [floating shoes] to center them. [apply the brake lightly and then tap all around the drum].
Please use mask when working on the drum brakes. The dust in there is in somewhat trapped environment. Vacuum if necessary but do not use compressed air to blow it around.
Salim
PS: The difficult part is removing the rotor. If you are lucky it comes off without any issue but if things are worn to the point that the drum has formed a lip, be patient. If you force the shoes flip outwards and make the drum hard to remove. My 2c is, if there is no issue with parking brakes [modern day vehicles have a chime to remind that the parking brake is engaged as the driver tries to drive] and the rotor is not being removed, leave it alone.
PS to PS: If you have AWD, make sure you chock the wheels on ground and put the trans in N to rotate the rear wheel being worked on.
Last edited by salimshah; 04-20-24 at 03:42 PM. Reason: PS to PS
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