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

Symptom Chart

Symptom Chart
Belt noise or squeal
Possible Source(s):
^ Pulley(s)
^ Lubricant or other contamination
^ Belt
Action(s) to take:
^ DETERMINE where the noise is coming from. CHECK pulley alignment, freedom of rotation or damage. REPAIR or INSTALL new parts as necessary.
^ CHECK belt for contamination. REMOVE belt and wash with detergent and water. If belt cannot be cleaned or is damaged, INSTALL a new belt.
^ CHECK belt for correct application.

Belt does not hold tension
Possible Source(s):
^ Belt cracking or damaged
^ Tensioner worn or damaged
Action(s) to take:
^ INSPECT belt for cracking or damage. INSTALL a new belt if required.
^ CHECK belt tensioner for damage and correct operation. INSTALL a new belt tensioner if required.