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

Test B

PINPOINT TEST B: UNUSUAL STARTER NOISE


Test B1-B3:






Possible causes
Unusual starter noise can be caused by the following:
- Loose starter motor mounting bolts or brackets.
- Worn or damaged flywheel ring gear.
- Worn or damaged starter motor drive gear.