Q: Brakes caliper will not grab rotor

asked by on

New caliper on front left ,new pads both sides,new brake line in back across the cross member for rear. bled system i have fluid all 4 corners but the left caliper will not grab rotor only right side does I can see piston move in and out by watching the pads just no pressure on it why. thank you Russ

My car has 200000 miles.
My car has an automatic transmission.

Hello and thank you for contacting YourMechanic. Check the caliper for the piston sticking. Remove the pins (bolts that make the caliper a sliding caliper) and put some anti-seize on them and reinstall them. Recheck the brakes to see if the caliper is grabbing. If the caliper is not, then bleed just that caliper until all of any air is out. If there was no air and a solid stream of fluid, then the piston is sticking and the caliper needs to be replaced. If you need further assistance diagnosing your brake system, then seek out a professional, such as one from YourMechanic, to help you with your vehicle.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Brakes caliper will not grab rotor

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Where is the transmission mount of the 1998 Toyota Camry located?

The mount is beneath the transaxle on the driver side. The Toyota OEM mount is recommended if you desire to replace this part. If you need help with this, please request engine/transaxle mount replacement and the responding certified mechanic will...

Q: Q: Car won't start

Hi there. Usually when you hear a clicking sound when you attempt to start the vehicle, it's because the starter motor won't engage. It's possible that when you replaced the starter, the starter relay that supplies power to the starter...

Q: SUV rear end has roaring, grinding noises

Hello. The way to fix this problem is to replace the rear differential with a new one. You could also have the existing differential rebuilt in order to stop the problem. Another option would be to replace the damaged differential...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...