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 MANUALSCHEVROLET1990SUBURBAN 1/2 TON 4WD V8-350 5.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMDISTRIBUTORSERVICE AND REPAIR
1990 Chevrolet Suburban 1/2 Ton 4WD V8-350 5.7L
Distributor: Service and Repair
1990 Chevrolet Suburban 1/2 Ton 4WD V8-350 5.7LSECTION Service and Repair
Distributor Replacement
Remove or Disconnect
The distributor has a separate coil which is mounted on the right side of the engine.
1. Negative battery cable.
2. Air cleaner and hoses.
3. Wiring harness connectors at the side of the distributor cap.
4. Distributor cap and move it out of the way.
- Scribe a mark on the engine in line with the rotor.
- Note the position of the distributor housing in relation to the engine.
5. Distributor hold-down nut and clamp.
6. Distributor.
Install or Connect
- To ensure correct timing of the distributor it must be installed with the rotor correctly positioned as noted in step 4 of the removal procedure.
- If the distributor shaft will not drop into the engine, insert a screwdriver into the hole for the distributor and turn the oil pump driveshaft.
1. Distributor.
2. Hold-down nut and clamp.
3. Distributor cap.
4. Wiring harness connector at the side of the cap.
5. Air cleaner and hoses.
6. Negative battery cable.
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.