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Tech Tip: Nissan Front Brake Caliper Fluid Residue

If you confirm there is oil residue on the brake caliper and it’s not assembly lubricant, refer to the Service Procedure as part of your normal brake diagnostic procedure. Note: Castor oil assembly lubricant is applied to the brake caliper when it’s built and some residue is normal. Do not replace the caliper for castor oil residue.

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Applied Vehicles:
2005-’07 Maxima (A34), 2005-’06 Altima (L31) and
2007 Altima (L32 and H32 Hybrid Electric Vehicles-HEV)

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If you confirm there is oil residue on the brake caliper (see Fig. 1) and it’s not assembly lubricant, refer to the Service Procedure as part of your normal brake diagnostic ­procedure.fig. 1

Note: Castor oil assembly lubricant is applied to the brake caliper when it’s built and some residue is ­normal. Do not replace the caliper for castor oil residue.

Service Procedure:
1. Remove the lower pin bolt from the brake caliper, then pivot the brake caliper to the up position. See Fig. 2.Fig. 2

2. Remove the brake pads and hardware from the torque member.

3. Clean the brake caliper with ­Nissan Brake Cleaner. Make sure the brake caliper is fully dry before going to step 4.

4. Reinstall the brake pads and hardware in the torque member and pivot the brake caliper into position.

5. Insert the lower pin bolt to the brake caliper:
Torque 22-31 Nm (17-22 in.-lb.)

6. Set the parking brake and place the gear selector in “P” or “N.”

7. Start the vehicle and leave it on during the next few steps.

8. Depress the brake pedal slightly (1/8 brake) for 10 seconds.

9. Depress the brake pedal as long as the pedal stroke for 60 seconds.

10. Repeat steps 8 and 9 three times.

11. Depress the brake pedal as long as the pedal stroke for 60 seconds.

12. Repeat step 11 three times.

13. Turn off the vehicle.

14. Visually check for oil residue on the caliper.
  • If the caliper is wet, replace it using normal warranty procedures.
  • If the caliper is dry, do not replace it.

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Courtesy of MotoLOGIC Repair & Diagnostics: www.motoshop.com/motologic.

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