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 Inspection - Tempmatic Climate Control System


1. Check vacuum lines for proper routing and connection. Check to ensure no lines are kinked or pinched.
2. Check in-car hose connection at instrument panel grille and compensator. Check to ensure there are no kinks or restrictions.
3. Check seal between A/C-heater module and programmer drive to ensure no leaks are present.
4. Check temperature door for proper adjustment and free operation. Check to ensure that programmer lever is not obstructed.
5. Check temperature control cable for kinks, improper routing and binding.
6. Check programmer linkages and compensator arm for binding or loose connections.