20 Most Recent 1986 Buick Electra Questions & Answers

You have problem with idle air control valve, it's mounted on throttle body, easy to replace.

Hi There, It should be either a 4R70w or E4OD, check the trans code on the drivers door decal and compare it to this list.Transmission codes from 1995 Manual M = manual 5 speed overdrive (Mazda?) E = Automatic E40D G = C6 auto U = 4R70W (4spd auto with overdrive) C = manual 5 speed close ratio (Z-F) W = 5 speed H.D. Overdrive Transmission codes start with "TR" then are followed by one of the letters above.

Check for power on the small purple wire at the starter while the key is being held in "start" position. If you have power, the starter is bad or there is a bad cable connection. If no power found, the rest of the circuit will have to be troubleshooted using a wiring diagram.

Replace fuel filter, then check fuel pressure. Tap on mass air flow sensor while running engine, if it acts up replace it. Check air filter.

Bands only need adjustment when your rebuilding itThey don't wear enough to need to go back yearslater to check themYou have to be careful when you turn the bolt you gothe right way or parts fall down into the pan & your done.You bring the band down tight on the drum & back offfrom 3/4 to 1 1/2 turn depending on the trans modelAny trans shop or the internet may get you the correct spec

.When the injectors leak they flood the engine and holding pedal to the floor or waiting hours for fuel to dissipate. See if you have spark and fuel when it wont run. If there is no spark check the electronic control module under the cap

Have someone check the throttle position censer.

The diagram below is for the 3.8L (231ci) is below. The firing order is: 1-6-5-4-3-2

1986 Buick Electra 3.8L Firing Order:

JUST AFTER THE AIR FILTER BEFORE THE THRODEL BODY IN THE AIR INTAKE TUBE

check power to alt first , alt has one big red wire that bolts to back of alt that should be hot all the time. if it is not hot with fire check fuseable link that is in wire bolted to the starter. also has two smaller wires that plug in alt. one goes to charge lite or bat guage in dash, other wire goes to ign and should be hot when ign is on if it is not change ign switch

first you have to charge the battery to test it, then start the car and test the alternator, my guess is you will find the alt. bad

That is going to end up being a dealer item or you will need to get one a junk yard.

well thats a little involved for being a older vehicle. look for broken vacuum lines and bad fuses. also check the tension on the electrical connections. some might be loose from corrosion. what all does it do ? does it not come on at all? If you need further help, reach me via phone at https://www.6ya.com/expert/ayron_57e1b351b7242eef

well if what you are saying it there is no spark at the plug then you may have a crankshaft sensor that not working

there is no easy way to change out a heater core...you have to take the bottom part of the dash loose and that takes some doing. once you get the bottom of the dash apart you will see the heater core.then you have to go under the hood and unhook both water lines that run to it, you should then be able to pull the heater core out and install the new one

There are three inverted torques screws in the column that come loose you have to pull the steering wheel pull the swivel pins tighten the little screws. it not hard to do . it is dangerous to drive like this.

You can fix it. It's fairly easy,handtools and stearing wheel puller. Theres a bushing that wears out on tilt wheels. The easyest way to tell how to do it is to say, go to your libreay and look it up in their moter manuals. They probaly won't check them out. Butr you can photo copy the pages you need.