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 MANUALSCHEVROLET1991SUBURBAN 1/2 TON 2WD V8-350 5.7LREPAIR AND DIAGNOSISLOCATIONSRIGHT SIDE VIEW
1991 Chevrolet Suburban 1/2 Ton 2WD V8-350 5.7L
Right Side View
1991 Chevrolet Suburban 1/2 Ton 2WD V8-350 5.7LSECTION Right Side View
Engine Wire Routing:
6 = KNOCK SENSOR.
13 = ECM MODULE.
14 = FUEL PUMP RELAY.
16 = INJECTOR.
18 = A/C COMPRESSOR.
20 = ESC HALF FUNCTION SOLENOID.
21 = THROTTLE POSITION SENSOR.
22 = IAC ACTIVATOR.
23 = MAP SENSOR.
24 = AUXILIARY COOLING FAN TEMPERATURE SWITCH.
25 = EGR SOLENOID.
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.