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Home >> GMC >> 1985 >> Forward Control 6.2 J, Standard >> Repair and Diagnosis >> Transmission >> Clutches >> Description

Repair and Diagnosis: Transmission: Clutches: Description

These vehicles use 2 types of clutches, either coil spring design or diaphragm spring design. Mechanical linkage is used to actuate clutch.

Coil spring single plate clutch is dry-disc type with no wear adjustment provided in clutch itself. Coil spring clutch uses 3 release levers for pressure plate actuation and coil springs for pressure plate tension.

Diaphragm spring clutch uses single, slotted diaphragm type spring for both pressure plate action and tension.