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

Values For Pressures and Temperatures










Values For Pressures and Temperatures


NOTE: The temperature of the air from the "center" dashboard vents must lie within the prescribed tolerance range within 5 minutes, depending on the ambient temperature.

General test prerequisites
- Close doors, windows and sliding roof
- Insert temperature probe into center vent
- Measure ambient temperature
- Open all dashboard vents
- Switch ignition on
- Press recirculating-air button
- Set temperature control to maximum cooling
- Switch fresh-air blower to stage 4
- Start engine
- Operate air condition while idling
- Set engine speed to 2000 rpm (start of time measurement)

If the prescribed nominal values are not reached, the cooling system must be checked for leaks and repaired.
Nominal values for pressures and temperatures