u need to buy the special coolant to your car i have the same car whit the same problem and is cause to the incorrent cooland the cooland to your car is the DEX-COOL if u dont find that u need some hit (silicate-free)
SOURCE: 1987 Buick Century 2.5 serpentine belt diagram
call a parts store they usually can provide you the routing for serpantine belts good luck getting it right though it can be tricky pay close attention to how the belt is routed :)
SOURCE: 1991 Century Buick V6 starter replacement.
remove the positive battery cable from the post
remove the 3 wires from the starter and the two bolts holding the starter to the block.
reverse the procedure for installation.
Testimonial: "I know that there is usually only 2 bolts to remove a starter. I've identified one bolt but was not sure about the location of the other one. Thanks"
SOURCE: 1990 buick century All power windows will not move
Well I was wrong, the window on pass side worked from the switch on the pass door !! So now that I know this I took apart the driver side door switch controll panel ( ie. 4 windows switch up/down & 4 door lock / unlock switch) I found 12 volts to the door lock section but NO 12 volts to the window section ( with key on) !! ratheer then trying to trace out this wire (oange) I took 12 volts from the door & jumpered it to the window 12 volt supply { now I know the door wire is thicker ( more amps) then the window supply but I dont't think I'll be useing all 4 window moters at once...} oh well what the hell it's almost 20 years old has three sets of seats & gets close to 28 MPG....
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SOURCE: 1987 Buick Century, V6, 2.8L will not start. No
the 3 coils are mounted to the ignition module and as long as the sensors that signal the module to fire the coils individually are working I would try a module especially if all 3 coils are not firing..also if you have an ohmmeter for checking electrical resistance, the spec for the coils are 5000 to7000 ohms, measured between each coil from tower to tower (ie) #1and#4 2+5 and 3+6 any more than that and the coils are toasted..lol hope this helps also check the spark plug wires at each end maximum resistance is no more than 1000 ohms per inch,,,good luck
Testimonial: "Coils and plug wires check good. If the ignition switch is bad would it give a symptom of not controlling spark to the coils"
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