Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Wheel Speed Sensor: Testing and Inspection

Inspection
1. Inspect the front and rear pursers for chipped or damaged teeth.





2. Measure the air gap between the wheel sensor and purser all the way around while rotating the purser. If the gap exceeds 1.0 mm (0.04 inch), repair as needed.
Standard:
Front/Rear: 0.4 - 1 .0 mm 10.02 - 0.04 inch)