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Buick Century Maintenance and Repair



  • tlon7tlon7 Posts: 7
    I have two questions about my Buick Century. I'll ask one here and the other separately; they're two different issues. My odometer (and trip odometer) stopped working. Brought it to my mechanic--who's also a friend. He tried to tighten the contacts and clean in & around speed sensor. The fix lasted ten minutes. Odometer stopped working after the first bump in the road. Did this twice. Now we're shopping for a speed sensor plug. Is there a difference between the actually speed sensor and the plug, or do they come attached as one unit? He said he'd first replace the speed sensor plug to see what happens (so as to keep the price down). Then, if that doesn't work, go from there. Could the problem be coming from the dashboard end of the connection? Any advice is appreciated. :confuse:
  • My gas gauge started to act flukey and undependable. Had pump & gage assy replaced at
    local garage. $500. Worked OK for about 2 months - now has stuck at 3/4 to full and I know it is about to run out of gas at 320 miles (thanks to ethanol). Took back to garage, they said
    again that they replaced it but I have some serious questions because the story don't check
    with what I can figure out just by commons sense and math. Anybody know is there any where that I can disconnect wires between tank and gauge and do a do an electrical or continuity test ?
  • I have a 2002 century. Similar problem dropped from 26 to 22 MPG in
    winter. I relate it to the additive, whether ethanol or some other
    mandated concoction legislated by our know nothing but everything govmnt
  • rickm4rickm4 Posts: 2
    My problem is that the car runs fine most of the time. Perfectly. Then suddenly, won't start. Will crank, but not catch. I can let it sit for awhile, try again, and it will fire right up. Any ideas?
  • Rick, Sorry never had that problem with my century but did have it with an 80 Ford Van at
    one time. It drove me and three mechanics crazy till I finally found a fellow who solved it.
    It was, at that time, an ignition module located inside the distributor assy - but that may not have been e f i Good luck Rojeur
  • chaykochayko Posts: 1
    hey so my power windows wont work i have replaced everything and when i hit the switch it makes this kind of grinding noise i was just woundering if u had any idea of what u could do to fix it
  • fgantfgant Posts: 1
    I have removed the brake caliper... what do I do next to remove the front wheel hub and bearing assembly?
  • Do you need to replace the bearings?
  • doggaldoggal Posts: 17
    I have a Buick Century 1994 with 70K miles on it. Drove it yesterday and this morning it does not want to start. New battery a month ago.
    What could be wrong ?
  • doggaldoggal Posts: 17
    Wanted to add something else. I opened the hood yesterday again and looked around. this thing is frustrating me. I notice that standing in front of the car facing the windshield, on the left side of the engine block (the silvery top) there is a hose about 3/8 to 1/2 inch diameter coming from the block and is cracked were it enters the block and on the other end I have no idea where it's suppose to go, because it's not connected. The end of it is a very tiny diameter (no more than 1/8 of an inch. I looked for my Haynes repair manual to see what it's called or where it suppose to be connected, but I can't find the book right now. Can anyone shed some light as to where it's suppose to go and what it is. I will try to take a picture of it tomorrow.
    Also my neighbor suggested that I get someone with an analyzer to connect to the car to see why it's not doing anything.
    Would that be recommended and how much might that cost me?
    Before I have it towed to the shop I would like to have an idea of what's wrong to see if it's worth fixing. Also I have experience with the shops that if you just go in there they will try to "hook" you up with every part available.
    So if you have any idea, please respond.
  • doggaldoggal Posts: 17
    Here is what I am talking aboutimage

  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,404
    Looks like part of your Evaporative Emissions System and that won't affect starting.


  • linda81linda81 Posts: 2
    there a few thing to think about. How are your tires for one thing may sure there 32 lbs in all of the tires. also fuel inj. cleaner.. fuel filter can be good bad and you will drop in the winter.
  • linda81linda81 Posts: 2
    there bulb under there that blow out. you can take the hold thing off in 10 minutes and put it back together in 15 min. there's only 8 or 10 bolts hold to hold think up. after you undo the bolts you should be about to get to the bulb. and see what ones you need
  • I have a 2003 Century. When the heater/AC knob is turned from Max AC all the way to defrost there is no change. The AC comes on but the air flows out all the vents regardless where the knob is. When on defrost, heat, vent, ac or anything else it will come out the floor, dash, vent outlets etc... Anyone have an idea?
  • Just a thought. I had the control knob strip on my o2 Century so that it would not turn the control shaft when you turned the knob. Dealer had a new knob in stock for a couple bucks. That took care of my problem Good Luck Rojeur
  • kkollwitzkkollwitz Posts: 268
    By the way, you can also get control knobs at auto parts stores. My 2000 Century had a knob break, took it to a local store and visually matched to one of theirs, works fine, looks 90% like the original.
  • gators2980gators2980 Posts: 1
    I need to replace my left headlight, I have taken it to the shop and everyone has told me that my headlight is fine. But it looks like its not working but the lights are on, but I got pulled over and the cop said that it wasn't working. I really like to get it fixed, I would really like to fix this problem. Can someone help me please!!!!
  • gmcustsvcgmcustsvc Posts: 4,055

    I would encourage you to take your vehicle to your local GM dealership to be looked at. Please keep us posted when this has been taken care of.

    Thank you,
    Caron, GM Customer Service
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