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Genuine GMC Jimmy Distributor
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GMC Jimmy Distributor Parts Questions & Experts Answers
- Q: How do you remove and install a distributor on Chevrolet Blazer,S10,GMC Jimmy and Sonoma?A: To remove the distributor, start by disconnecting the cable from the negative battery terminal. Remove the air cleaner assembly on HEI systems or the air intake plenum on EDI systems. Unplug the distributor's electrical connectors and remove the distributor cap. Mark the rotor's direction and the distributor's position in relation to the engine block. Remove the hold-down bolt and clamp, and take out the distributor. For installation without turning the crankshaft, position the rotor as it was when the distributor was removed. Lower the distributor into the engine, ensuring proper gear meshing. Use a socket and breaker bar to turn the engine until the distributor aligns with the marks. Install the hold-down clamp, reconnect the ignition wiring harness, and install the distributor cap. Reconnect the coil connector, tighten the hold-down bolt, and check the ignition timing. For installation with the crankshaft turned, align the timing mark on the vibration damper with the "0" on the timing indicator. Position the rotor between the spark plug terminals and lower the distributor into the engine. Use a socket and breaker bar to turn the engine until the distributor seats flush against the block. Align the marks on the distributor base and engine block, install the hold-down clamp, and reconnect the ignition wiring harness. Install the distributor cap, reconnect the coil connector, tighten the hold-down bolt, and check the ignition timing. For EDI ignition installation, align the timing mark on the balancer with the "V" notch on the front cover. Install the distributor, ensuring proper gear meshing, and check the rotor alignment. Tighten the hold-down bolt and install the camshaft sensor connector, cap, and wires as necessary. If the "SERVICE ENGINE" light comes on with trouble code P1345 after installation, the distributor may have been incorrectly installed, so repeat the procedure.
