Question about 1987 Oldsmobile Calais

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My 1987 oldsmobile calais has started making a funny noise and no wanting to run right. Missing out and spitting and spudering. I have changed spark plugs and put on new air filter, it is still doing it not as bad but it is still doing it. Can you help me figure this out.

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Have you tried the ignition module, coil pack, or engine roration sensor. All three are in the rear of the engine and low. Pretty difficult to get to so plan on some time to get them out. just follow the ignition wires to the coil and do the rest by feel. Have Fun

Posted on Feb 08, 2009


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Guy washed my 1987 olds calais since then it backfires out throttle body.wont even start now

Everyone is missing the main thing here, you just WASHED the motor. You got water in the ignition system. It would be helpful if I knew which motor you had, 2.3, 2.5, or 3.0. If you have the 2.5 or 3.0, you should remove the distributor cap and spray some WD-40 in it, let it dry, and reinstall. WD-40 was a military invention, and the name stands for Water Drier-40th formulation. It was designed to displace water and lubricate to prevent rust where the water was. If you have the 2.3, you will have to remove the 4 bolts that hold the cover on the top of the motor, unplug the electrical connector at the end of that cover, and lift it straight up off of the motor. Underneath the cover you will find what they call the coil cover. This actually acts as your spark plug wires, distributing the energy from your ignition coils (there are 2 under the coil cover) to the spark plugs. There are 4 "boots" that probably stayed on your spark plugs when you pulled the cover off, you will need to remove them from your spark plugs and put them back on the coil cover when you are ready to reinstall it. You will find 6 VERY SMALL BOLTS holding the coil cover on the main cover, remove them and the coil cover will easily come off. Dry the inside of this as stated above with the other 2 engines, allow to dry, wipe it out and return it as you removed it.

Oct 25, 2012 | 1987 Oldsmobile Calais

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Aug 19, 2012 | 1987 Oldsmobile Calais

1 Answer

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Sounds like it's either got an air restriction somewhere or it's just running rich.

Mar 22, 2011 | 1987 Oldsmobile Calais

1 Answer

I need a diagram for serpentine belt on a Oldsmobile Calais 1987

My sincere apologies for the severely delayed response.
I am going back to answer - unanswered questions.

I do not know if you still need this information, but I am going ahead and answering it anyway. You may want to Print the Diagrams for future use.

CLICK on the following LINK. It has the Belt Diagrams you will need.
If you would: Before Clicking: Let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at!
Again my sincerest apologies...

May 20, 2009 | 1987 Oldsmobile Calais

1 Answer

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1 Answer

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