Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC1989S15 JIMMY 4.3 Z, RWD, AUTOMATICREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSDIAGNOSIS - TORQUE CONVERTER CLUTCHDESCRIPTIONTCC CONTROL COMPONENTSTCC SOLENOID ASSEMBLY
1989 GMC S15 Jimmy 4.3 Z, RWD, Automatic
TCC Solenoid Assembly
1989 GMC S15 Jimmy 4.3 Z, RWD, AutomaticSECTION TCC Solenoid Assembly
Energized by ECM to redirect transaxle fluid to the converter clutch apply valve in the auxiliary control valve assembly.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.