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

Verify Customer Concern




Verify Customer Concern

1. Verify and document the customer concern.

1. When was it first noticed?

2. Did it appear suddenly or gradually?

3. Did anything unusual occur that would coincide with it or precede it?

4. Identify when the condition occurs:

- Hot or cold vehicle operating conditions.

- Type of terrain.

- City/highway driving.

- Driving at a particular speed.

- coasting.

- hard acceleration.

- Shifting.

- upshifts.

- downshifis.

- in a particular gear.

- in all gears.

- Hot or cold ambient temperatures.

5. Has the transaxle/clutch been repaired before or components installed?

- Check the vehicle service record. Note any repairs.

6. Check TSBs, SSMs and OASIS messages.