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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Procedures

INSPECTION
1. Deformation or damage to the rim may cause air leakage. Check the rim flange for deformation, cracks or damage, and repair or replace as necessary.
2. Jack-up the vehicle until wheels clear the floor.
3. Slowly rotate the wheel to check rim "runout" using a dial gauge.




Steel Wheel:




Aluminum Wheel:





4. If the rim runout exceeds specifications, remove the tire from the wheel and check runout with the dial gauge attached to positions shown in the figure.





5. If the measured runout still exceeds specifications, replace the wheel.