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If I remember correctly the wires must be clipped into the distributer cap. Possibly this was not done or the old wires were reused and damaged while removing. The wire end needs to be squeezed together with pliers to remove. The wire ends pushed down into the cap is what the rotor contacts with and makes for spark to spark plugs. Make sure wires are in proper firing order which would be 1-3-4-2 with engine cylinder left to right 1-2-3-4. So go back into your engine compartment and double check what was done, I think you will find your problem. GOOD LUCK FRIEND.
To change the plugs, do one at a time so not to mix up the sparkplug wires, remove plug wire from a plug, use sparkplug socket to remove the sparkplug make sure to gap new plugs, ask parts store for the gap setting they will give it to you when plugs are bought, the plug gapper is about $2.00. and that about it, the rear plugs are a little harder to get to but the same way to remove, some buicks came with metal heat sheild over the sparkplug boot in the rear cylinders make sure to reuse, you will know if you have them they will slide right off old boot.
With the upper intake phelm off all the tunup work is in plain view. Make shure the wires are good as it's a good time to change them with the phelm off. Many times if your careful removing the phelm the gasket can be reused.
Drain coolant and save for reuse. Locate drain plug at bottom of radiator or remove lower hose from radiator (make sure engine is cold). Remove all hoses and wires. Remove fan(s). Remove top hold down bracket. Slide radiator out. Install is reverse. Advise obtaining repair manual. Read procedure several times.
Well the wire and boot may come off together or seperate.I have never had any luck with them.6 out of 8 can be reused by the time I get done with them.The steel covers have springs in the bottom of them and the boots are just shoved into them.Try twisting the steel and pull in the boot part.There is not a lot to get a grip on them.After the first try I now just replace the wires and go with 6" aftermarket boot protecters.I get taylor cable, the ones that are rated @1200Deg.Not cheep put next time have a 6" grip to pull on.Never under stood the concept of shoving a plug boot into a steel cover that sits next to the exhaust manifold.
you will have to remove intake manifold to gain access to cyl 1 3 5. there are no special tools it can be done with hand tools. i would replace wires since you are there. intake gasket can be reused but if you wanna be safe or got high mileage replace
If you are sure the glow plug relay and timer, which looks like a starter relay sitting on the intake manifold, are good. The glow plugs are located under the rocker arm covers between each injector. I would recommend purchasing new rocker cover gaskets, which incorporate the wiring harnesses for both glow plugs and injectors. They can be reused, but they will generally start to leak oil before long. The injectors are pretty easy to identify, they're the big square things with the electrical plug. the glow plugs have a single wire running to them. if I can recall they require a 10mm hex. hope this helps.
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