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very big job. the water pump must be first removed. you will need a t-8 torx bit for the rotor removal and a e-4 torx socket(reverse torx) drain coolant. remove serpentine belt. you may have to take out the electric fan. I did it without removing it but it was tighter. remove hoses from water pump. disconnect coolant sensor and unclip it from top of water pump. unbolt ignition coil bracket. unbolt and move airinjection pump. remve the 2 bolts holding the air injection pump bracket. remve water pump bolts and then the pump. remove the harmonic balancer pulley keeping note of the position of the arrow on said pulley.remove plug wires. remove the dist cap. remove rotor and replace it with new one in same position. replace with new cap and then reverse steps.

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17y ago

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9mo ago

To change the optispark on a 1994 Camaro Z28 LT1, you will need to first disconnect the battery, remove the water pump drive belt and water pump, then remove the distributor cap and rotor to access the optispark. Once you have access, remove the optispark unit, replace it with a new one, reassemble the components, and finally reconnect the battery. It's recommended to consult a repair manual for detailed steps and diagrams.

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Q: How do you change the optispark on a 1994 camaro Z28 LT1?
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