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 MANUALSCHEVROLET1996G 30 VAN V8-5.7L VIN RREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMDISTRIBUTORSERVICE AND REPAIRDISTRIBUTOR DISASSEMBLY, TEST AND REASSEMBLY
1996 Chevrolet G 30 Van V8-5.7L VIN R
Distributor Disassembly, Test and Reassembly
1996 Chevrolet G 30 Van V8-5.7L VIN RSECTION Distributor Disassembly, Test and Reassembly
Distributor Components:
Vane Wheel In Distributor:
CAUTION: The distributor driven gear can be installed in two positions. Make sure when installing the gear that the dimple found below the roll pin hole in the gear is on the same side as the rotor segment. The dimple will not align directly with the rotor segment if not, the gear is Installed 180° off and a no start condition may occur. Premature wear and damage may result.
REMOVE OR DISCONNECT
1. Two screws holding the cap to the housing.
2. Cap from the housing.
3. Two screws from the rotor.
4. Rotor.
^ Note which locating holes (B) the rotor was removed from.
5. Two screws holding the hail effect switch.
6. Hall effect switch.
^ The square cut hole (C) in the vane wheel must be aligned with the hall effect switch in order to remove the switch.
7. Roil pin from the shaft.
A. Note the dimple located below the roil pin hole on the one side of the gear. The dimple will be used to properly orient the gear on the shaft during assembly.
8. Driven gear, washer, and tang washer.
9. Shaft.
^ If the shaft can't be removed from the distributor housing due to varnish buildup, use a cloth dampened with varnish remover to clean the shaft.
INSTALL OR CONNECT
1. Hall effect switch.
2. Two screws holding the hall effect switch.
CAUTION: Do not overtighten as the base may strip.
3. Shaft.
4. Tang washer, washer, and driven gear.
NOTE: When properly installed the dimple located below the roll pin hole, in the driven gear, will be on the same side as the rotor segment when the rotor is installed in the distributor. The alignment will not be exact. If the driven gear is installed incorrectly, the dimple will be approximately 180° opposite the rotor segment when the rotor is installed in the distributor.
5. Roll pin.
6. Rotor.
^ "A" shows the mounting holes. "B" shows the locating holes.
7. Two screws holding rotor.
^ Tighten 2.0 Nm (20 lbs. In.)
^ Installation of the distributor into the engine will require the cap off of the 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.