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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Anti-Lock Brake System (Abs) - 5.3 & Abs/TC 5.3 - 911 CARRERA (996) >> Removing and installing front speed sensors >> Installation

Removing and installing front speed sensors: Installation

NOTE:
  • Before installation, ensure that there are no metal chips at the magnetic edge of the speed sensor!
  • The gap between speed sensor and pulse wheel is determined by the design and cannot be adjusted!
  • There is no O-ring between speed sensor and wheel carrier!
  • The speed sensors at front and rear axles are the same! This applies to version -A-  and version -B-  .
  1. Coat speed sensor and the bore in the wheel carrier with Molykote Longterm 2.
  2. Without using excessive force, insert speed sensor into wheel carrier and tighten the hexagon socket head bolt to 10 N.m (7.5 ftlb.).
  3. If the speed sensor was removed or replaced due to a fault with the ABS, Traction Control or PSM or due to accident repairs, a functional check should be carried out. This is done with the Porsche System Tester 2, via the Actual values menu item, submenu Speed.