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)

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. The numbers indicate the order of the inspection. If necessary, repair or replace these parts.







[A]: TRANSFER FLUID (Level low)

[B]: TRANSFER FLUID (Wrong)

[C]: TRANSFER FLUID (Level too high)

[D]: LIQUID GASKET (Damaged)

[E]: O-RING (Worn or damaged)

[F]: OIL SEAL (Worn or damaged)

[G]: SHIFT FORK (Worn or damaged)

[H]: GEAR (Worn or damaged)

[I]: BEARING (Worn or damaged)