It shows up that high temperatures that develop up close to the distributor can cause the pickup coil on the Fiero V-6 engine to literally burn up. This may be resulted in by the EGR valvetube going into the intake plenum being situated so very closely to the distributor. In somecases, the choose up coil has actually shorted the end in 20,000 come 30,000 miles. It would be recommendedto replace the choose up coil in ~ 30,000 mile intervals, as preventative maintenance, once youchange your distributor cap, rotor, and sparkplugs. Save in mind that if the choose up coilshorts out, your V-6 Fiero will stall out and also will it is in difficult, if not impossible, tore-start - leaving friend stranded.

The pick up coil is located at the basic of the distributor and plugs into the ignitionmodule. The choose up coil"s function is to feeling or "pick up" the pulses that thedistributor and also tell the ignition module when to fire the spark plugs. The most criticalpart of the instead of of the pick up coil is come make details you properly note theorientation that the distributor to the engine block and the rotor to the distributor base.When you successfully make these markings, you will certainly not need to check your timing whenthis job is finished. Maintaining this in mind, below we go: friend will have to purchase areplacement pickup coil and a rubber o-ring gasket the will change the o-ring locatedwhere the distributor pillar enters the engine before you begin this project. The GM part numbers are:

1987972 - ignition module organize down screws - (2) expense is $.75/ea. 10475880 - distributor column rubber "O" ring - (1) price is $.75/ea. 10495089 - pick up coil - (1) cost is $12.85/ea. Unplug the ignition coil wiring - i beg your pardon is the spark plug wire leading native the coil come the center of the distributor. Also, remove the two wire connectors that plug right into the ignition coil itself. Now, remove the ignition coil by removing the 2 13mm mounting screws. Unscrew the two mounting screws top top the distributor cap using a Phillips driver or 7/32" seed driver and move the distributor cap away native the distributor - you do not need to remove the spark plug wires native the distributor lid if you perform not want to - there will certainly be enough room to work. Disconnect the two plug connectors native the ignition module located at the base of the distributor. Remove the ignition module indigenous the base of the distributor by loosening the 2 7/32" mounting screws. Be sure that this mounting screws space not corroded due to the fact that they carry out the ground because that the ignition module. Change if necessary. Now, unplug the pick up coil connector from the ago of the ignition module. utilizing a 15mm socket, eliminate the bracket in ~ the base of the distributor the holds the distributor to the engine block. whereby the distributor enters the engine, place a fine note with repaint (quick drying) or one etching machine to orient the distributor basic to the engine block so your engine timing remains the same once you re-install the distributor. currently you should make a mark to orient the distributor rotor. Place a note to orient the protruding prong of the rotor to a fixed suggest on or near the engine. Again, law this assures the engine timing will certainly be the same now as as soon as you replace the distributor once you room done. eliminate the distributor by pulling right up on the distributor - there might be part resistance depending on how well the O-ring gasket is seated. Take an alert that the rotor turns as you space pulling up on the distributor. Mark a third orientation mark where the protruding rotor prong stops transforming as that is exit from the internal gear in the engine. You will usage this reference allude to place the protruding rotor prong as you are replacing the distributor into the engine. Relocate the distributor base roughly the accelerator body coolant present to remove the whole distributor native the engine. Patience is a virtue! v the distributor gotten rid of from your Fiero, location it ~ above a job-related bench and examine the orientation that its parts so her re-assemble it correctly. notification near the bottom equipment on the distributor obelisk is a roll pin (Approx. 3/16" dia, 1/2" long) i m sorry holds the distributor equipment to the distributor shaft. location the gear finish of the distributor on a solid steel surface, prefer the cure of a bench vise -not in the vice itself due to the fact that you do not want to damage the distributor gear or shaft. Making use of a hammer and the 3/16" dice punch, eliminate the roll pin indigenous the column of the distributor. Remove the distributor equipment from the equipment shaft - note the orientation that the lock tab washer as you eliminate the distributor gear. slide the distributor obelisk out that the distributor base. Clean and polish the pillar to develop a clean, burr-free, sleek surface using steel structure or soft sandpaper. Lubricate the pillar with engine oil. Collection aside. remove the rubber O-ring gasket close to the bottom of the distributor base and replace it with a brand-new one to avoid oil leaks. Lubricate the O-ring with motor oil to correctly seat the gasket. currently it is time to eliminate the choose up coil indigenous the distributor base. Eliminate the choose up coil retaining clip from the top of the distributor - be really careful not to pry increase on the retaining clip together this will damage the distributor base. It is ideal to cut off this retaining clip to prevent damage. Note the orientation of these parts as lock are gotten rid of from the base. Note just how the choose up coil is positioned ~ above the base. There space alignment pins ~ above the bottom side of the choose up coil to orient it come the distributor base. Be sure to monitor the directions the came through pick up coil come ensure proper replacement. change the pick up coil on the distributor base along with the spacer and also retaining clip. Make certain the choose up coil alignment pins are correctly positioned on the distributor base. replace the oiled distributor shaft right into the distributor base. change the lock tab washer and also the distributor equipment on come the distributor shaft. Reinstall the roll pin using the 3/16" die punch. friend are currently ready to change the distributor ago into the engine block. Place the protruding prong the the rotor at the orientation mark where the rotor stopped turning as you eliminated the distributor. Press down on the distributor making certain you are engaging the gears on the distributor shaft with the gears in the engine. Proceed pushing down till the O-ring is properly seated in the engine block. Verify that the protruding rotor prong is oriented through the an initial orientation mark you made. If they do not enhance up, remove the distributor native the engine block and shot again till they do line increase in order for the time to be effectively set. now that you have actually the rotor effectively oriented, the base of the distributor requirements to it is in re-oriented come the engine block. Make certain your alignment marks space oriented properly and also replace the distributor base organize down bracket and also screw - be careful not to move the base turn off of the orientation mark. Now, remove the old coating that di-electric grease native the bottom the the ignition module. Re-mount the ignition module onto the distributor basic after using a brand-new coating the di-electric grease top top the bottom the the module. connect the pick up coil to the ignition module after using di-electric grease top top the bottom of the pick up coil connector. replace the distributor lid onto the distributor. change the ignition coil. Re-connect the wiring to the ignition module. Re-connect the wiring to the ignition coil. start your Fiero come make sure all the suitable connections have actually been made and your timing remained accurate. If all is done correctly, your choose up coil need to last another 30,000 miles, if not more.Keep one eye top top the choose up coil and also check it once you examine your spark plugs ordistributor cap or rotor. Include the pick up coil to your list the routine inspect andreplacement procedures. If you execute not, you might surely it is in stranded sometime in the middleof nowhere.


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It would certainly be recipient to keep an extra pick up coil in her Fiero at alltimes. If you do, girlfriend can always find a neighborhood garage to pull the distributor because that you - atleast you recognize you have actually the part in stock!

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