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)

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System Performance Test

SYSTEM PERFORMANCE TEST
Tool Required: J-21213-A Four Jack-Dual Range Temperature Tester
1. Open doors or windows.
2. Position the right lever in the "NORM" mode.
3. Place the left lever in the cold (blue) position.
4. Place the blower switch at "HI."
5. Install J-21213-A at the instrument panel right outlet.
6. Start the engine and run at 2000 rpm.
7. After one minute, the minimum drop in temperature from the center outlet should be:

Condenser Inlet 21°C 26°C 32-43°C
Temperature (70°F) (80°F) 90-110°F)
Instrument Panel -7°C -4°C -1°C
Right Outlet
Temperature
(Minimum Drop) (20°F) (25°F) (30°F°)