Mazda 1983 RX7 Spezifikationen PDF herunterladen (Seite 335)

BRAKE JUDDER REPAIR (CANADIAN) CAT. P, NO. 94-06

Article Text (p. 2)

1983 Mazda RX7

For www.iluvmyrx7.com

Monday, September 03, 2001 03:36PM

1. If the vehicle is in dealer inventory and the condition is rotor

rust:

A. Clean the rotor surface by driving the vehicle several miles

while frequently applying the brakes.

B. If vibration/pulsation is still felt, processed to step "C".

C. Machine the rotor surface enough to remove all rust or surface

staining (generally 0.1 mm per side).

NOTE: If machining is performed, the Service Manager's signature must

appear on the repair order.

2. If the vehicle has been in service:

A. Verify customer's complaint with a test drive.

B. If brake judder is felt, proceed to step "C". If brake judder is

not felt, refer to the work shop manual or the NVH manual for

additional troubleshooting information.

C. Mark the front wheel(s) and the lug nut stud with chalk. This

will determine the original position of the wheel to the

rotor. Remove the front wheel(s).

NOTE: A high majority of brake judder is due to DTV of the front

rotors. Customer complaints of brake judder are most often

corrected by machining the front rotors only.

D. Measure the remaining front rotor thickness and run-out.

Determine if sufficient rotor material remains to allow

machining.

Limit: Stated minimum thickness for the model plus 0.8 mm.

E. If machining can be achieved, an on-car brake lathe is

recommended to ensure a precise rotor surface.

NOTE: After machining rotor(s) with an on-car brake lathe, you must

remove all metal cuttings (particles) from the ABS "toothed

ring" (the reluctor) and the ABS sensor. Failure to remove

these particles will prevent proper function of the ABS system.

F. If machining can not be achieved due to rotor thickness

limitations, the dealer should replace the rotor. To ensure a

successful repair, run-out and/or DTV must be removed by

on-car machining, even on new rotor(s).

G. Install the wheel in the same location relative to the hub as

it was originally positioned.

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Mazda 1983 RX7 Spezifikationen Seite 335