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Re: How do you replace the distributor cap on a 92 Buick...
Your just gonna have to feel it out. Th new screws should stay in the cap. If not a little vaseline will keep it there. I had to do the same thing with mine. A real pain it the **** and bad design by GM.
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use a water dispersant to clean out the distributor cap, HT leads and around the coil terminals. Check that there is no carbon tracks in the cap and that the plug leads are not touching each other . clean around the rubber covers at the plugs as any moisture there will short the HT spark directly to earth
1st,pick out choice swear words! next,remove air filter, then there are two phillip head screws holding the cap on.( they are also a small hex about a 1/4 " or 5/16th.) if they haven't been removed in a long time , be careful not to break them off! I have found that a 1/4" drive with that flexable cable extention works best for the rear screw,which is the bad boy to get at. mark your wires if you don't know how to do the firing order.good luck Bill
no special tools. phillips screwdriver is all you need. critical part is getting wires on the right terminals. You first have to identify the proper orientation of the cap. It only goes on one way. Look for the tang on the cap that must fit into the notch in the housing. Align the old and new caps and move the wires one by one from the old cap to the new cap. Then use the screwdriver to turn each of the 4 retaining lugs. You push down on the screwdriver and turn them CCW about a quarter to a half turn. The cap should then come off. The rotor is there underneath. Remove the 2 screws and install the new rotor--it only goes on one way. Put the cap on, making sure the tang fits into the notch. The lugs should go back easily if the cap is on right. That's it, you're done. Please let me know if you have questions, and thanks for using FixYa.
the pwersteering pumr is going to be the only pulley on the front of the motor that also has a cap on top of it, should be on the drivers side of the car at the front of the engine near the bottom, only add about half a pint at a time as this system doesnt require much fluid , when you take the cap off it will have a measuring stick attached to the cap to get a fluid level reading
The opti-spark distributor cap is below the water pump. Often a leaking water pump will cause a short in the distributor Due to the amount of time and labor cost to remove the water pump, and that fact that the water pump has to be removed to replace the distributor cap, it is a good idea to replace the distributor cap at the same time the water pump is replaced. The water pump is driven by a pinion shaft with an " O " ring. Be sure to replace the " O " ring too else you may shortly develop an oil leak at that point.