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)

Or, hide this message: temporarily or permanently

NVH Troubleshooting Chart

NVH Troubleshooting Chart

Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

x: Applicable

[A]: Gear tooth rough

[B]: Gear contact improper

[C]: Tooth surfaces worn

[D]: Backlash incorrect

[E]: Companion flange excessive runout

[F]: Gear oil improper

[G]: PROPELLER SHAFT

[H]: REAR AXLE

[I]: REAR SUSPENSION

[J]: TIRES

[K]: ROAD WHEEL

[L]: AXLE SHAFT

[M]: BRAKES

[N]: STEERING