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

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Thermo Switch

1981 22R, 1981-82 3A-C & 3T-C Engine
1. Drain coolant and remove thermo switch.
2. Cool thermo switch to below 127° for 3A-C engine or below 109° F and check that switch has continuity.
3. Heat switch to above 149° F for 3A-C engine or above 131° F and check that there is no continuity.
4. Apply liquid sealer to threads of switch and reinstall it, then refill radiator with coolant.