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

Vibration Conditions

Engine or accessory vibration, all speeds - refer to Engine Accessory Vibration and Tip-In Moan Checks. Pinpoint Tests

High-speed shake, 80 kph (50 mph and up):
1. Refer to Tires for diagnostic procedures relating to the tires.

2. Refer to hub, rotor and drum runout checks contained in Brakes and Traction Control.

- Tip-In Moan: Refer to Symptom Chart. Symptom Related Diagnostic Procedures
If the symptom still exists, verify correct function of drive belt or general engine assembly.

- Brake Shudder: Refer to Brakes.