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Buick engine repair questions and answers

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  • AutoMD Member
    AutoMD Member - 1999 Buick LeSabre - Engine - 10/29/2013
    Why wont my car hold any gas, ill try to put some in and it will only take a little bit then spit the rest out.
    it has alittle over 200,000 miles but it was alright till my friend put a new fuel pump in for me because i needed one and he put it on and a couple days later it started acting up like i was about to run out of gas, and dying out. when i start it now it wont run, ...
     
    • Jimm
      10/28/2013 Jimm
      Usually, this issue is related to plugged evaporative fuel tank vent hoses - these run from the top of the fuel tank to just next to the fuel filler neck by the gas cap.

      As a firststep - simply try to unplug the hoses using a length of hanger wire. If this does not clear up the issue, you will have to replace the vent hoses.
    • Jimm
      10/29/2013 Jimm
      The problem may not be related to either inexpensive, poor quality fuel, or the fuel pump installation. The issue - as you have described - is more than likely related to plugged vent / evaporative hose - along the length of tube from the fuel fill tube down to the fuel tank.

      Try the suggested repair using a length of wire to unplug the vent hose / tube as first step. Check the 'How-To-Guides' feature on the AutoMD website for more specific steps and instruction, even videos - as needed.
  • AutoMD Member
    AutoMD Member - 1991 Buick Skylark - Engine - 10/27/2013
    Installing oil pump, need specific information,or a diagram ? tool? look for notches?
    engine over heated,heads were redone,found shavings in the oil pan,pump had a broken gear. are there notches or adjustments tools to install new oil pump ???
     
    • CVO
      10/27/2013 CVO
      2.5L Engine
      Disconnect the negative battery cable.
      Drain the engine oil and remove the oil pan.
      Remove the oil filter.
      Remove the oil pump cover assembly.
      Remove the gyrator pump gears.


      CAUTION
      The pressure regulator valve spring is under pressure. Exercise caution when removing the pin or personal injury may result!

      Remove the pressure regulator pin, spring and valve.

      To install:
      Lubricate all internal parts with clean engine oil and fill all pump cavities with petroleum jelly.
      Install the pressure regulator valve, spring and secure the pin.
      Install the gyrator gears.
      Install the pump cover and tighten the screws to 10 ft. lbs. (14 Nm).
      Install the oil filter.
      Install the oil pan.
      Fill the crankcase with oil to specification.
      Connect the negative battery cable, check the oil pressure and check for leaks.
      FYI. This site didn't provide any diagrams for your specific car .
      http://www.autozone.com/.../...rGuideContent.jsp
  • tcee13
    tcee13 - 1995 Buick Park Avenue - Engine - 10/26/2013
    Do i need a new motor?
    car would not start. mechanic said new plugs went in and car started right up. turned off car and would not start again. took out plugs and they were wet. also said something about being able to hear a leak. research showed lots of problems with head gaskets ...
     
    • CVO
      10/26/2013 CVO
      Obtain a compression tester from a loan free program at the local auto parts stores such as O'Reilly or Autozone. Do a compression check on the cylinders. They should all be within a couple of psi of each other. If one or more are reading 10 or more psi higher than the rest, the head gasket is blown or you have a cracked block or head.
      Note: for a new motor, see this site http://www.jasperengines.com/index.php
      CVO
      11/5/2013 tcee13
      thanks for the suggestion. replaced the plastic intake mannifold, oil, and coolant. car runs like a top.
  • AutoMD Member
    AutoMD Member - 2002 Buick Rendezvous - Engine - 10/25/2013
    Why does my car have issues staying running?
    My Buick Rendezvous was used to help jump a Lincoln MKX the other day. Immediately after, my battery light on the dash started coming on. This continued for a few days (coming on and going off) then this past Wednesday the battery light came on again, followed by ...
     
  • AutoMD Member
    AutoMD Member - 2000 Buick Century - Engine - 10/24/2013
    Why does my car periodically have no fan running no ac and no cruise control...at times all is fine on start up
    milage is 110,000...it happens on start up at times and at other times all is running on start up....or everthin comes on after driving for awhile
     
    • HouseCallAuto
      10/24/2013 HouseCallAuto
      Most likely cause is a bad ignition switch. probability here is greater than 75%. This is exactly the symptom in certain GM cars with a bad ignition switch. Switch heats up and contacts expand and complete the battery feed circuit inside the switch and you get back the blower. I changed my mind. The probability here is 100%. This symptom has no other cause except ignition switch because I just looked at a wiring schematic for 2000 Century. The battery feed circuit directly from the ignition switch powers 3 fuses. The blower fuse, the AC, and the Cruise Control and nothing else. That's a wrap.
  • AutoMD Member
    AutoMD Member - 1990 Buick Electra - Engine - 10/23/2013
    1990 buick electra - won't start, not getting any fire to the sparkplugs
    90 Buick Electra - 128000 miles - it turns over good but won't start. I'm not getting any fire to the sparkplugs. I've checked the wires and fuses and put on a new crank sensor. it has good fuel pressure and the only code that comes up ts 12, so there's no help ...
     
    • CVO
      10/23/2013 CVO
      If the engine has no spark, check for voltage at the coil positive terminal when the ignition key is on.

      If there is voltage, the problem is on the trigger side of the coil (pickup, crank sensor, ignition module or primary wiring circuit).

      If there is NO voltage at the coil, the problem is on the supply side (the ignition switch or ignition wiring circuit).

      If the coil has voltage, the problem may be a bad high voltage output wire from the coil to the distributor, hairline cracks in the coil output tower, or cracks or carbon tracks inside the distributor cap or on the rotor.
      For more information, see this site http://www.aa1car.com/library/no_spark.htm
    • HouseCallAuto
      10/23/2013 HouseCallAuto
      If you have not done so already, replace the ignition control module.
  • AutoMD Member
    AutoMD Member - 1995 Buick Regal - Engine - 10/19/2013
    While in park or at a stop light the idle is rough almost wants to die but doesn't. no codes, check engine light is on.
    just replaced the fuel pressure regulator and no change
     
    • HouseCallAuto
      10/19/2013 HouseCallAuto
      Remove the EGR valve and make a simple block off plate from thin metal. Once a tore apart a soda can and used that. Install in between the EGR valve and engine to determine if the EGR valve itself is remaining stuck open and causing your rough idle. If the EGR valve is your cause you will notice an immediate drastic improvement in the idle quality. You will know. Don't talk yourself into thinking it's better if it isn't because this valve is not dirt cheap.
  • AutoMD Member
    AutoMD Member - 1981 Buick Regal - Engine - 10/16/2013
    TUNEDUP CAR WITH NEW PARTS WONT START. RAN ROUGH PRIOR TO NEW PARTS.
    HAS FUEL TO CARB. NEW FILTERS, FIRING ORDER CONFIRMED.
     
    • HouseCallAuto
      10/16/2013 HouseCallAuto
      Is there ignition spark? Yes / no? If no spark then you messed up something at the distributor while putting all that back together. This is the obvious answer here.
    • RGPCJP
      10/16/2013 RGPCJP
      LOCATE THE NUMBER ONE PLUG WIRE, REMOVE IT FROM THE SPARKPLUG. INSERT AN OLDER PLUG INTO THE WIRE. USING A GLOVE ETC TO HOLD THE PLUG/WIRE, PLACE THE PLUG AGAINST THE METAL FRAME ON IT'S SIDE (GROUND THE PLUG TO FRAME) HAVE SOMEONE CRANK THE ENGINE AND WATCH THE TIP OF THE PLUG. YOU SHOULD SEE THE SPARK (BLUEISH IN COLOR) IF YOU ARE GETTING FIRE TO THE PLUGS. IF NOT THEN LOCATE YOUR DISTRIBUTOR AND CHECK FOR A COIL WIRE (THE CENTER OF THE CAP) IS IT PLUGGED IN TIGHT? IF SO REMOVE THE CAP AND CHECK ALL CONNECTIONS TO THE CAP AND INSIDE AS WELL. IF I AM CORRECT IN MY THINKING, THERE WILL BE A MODULE INSIDE THAT REPLACES THE OLD POINT SETS. COULD BE THIS PART IS BAD. BE SURE THE INSIDE OF THE CAP IS DRY, YOU ALSO MAY WANT TO REPLACE IT SINCE IT COULD HAVE GOTTEN CRACKED WHILE YOU WERE TUNING UP THE CAR. HOPE THIS HELPS.
  • tomeboni
    tomeboni - 1992 Buick Regal - Engine - 10/12/2013
    How to replace battery
    it seems the windshield washer is in the way
     
    • CVO
      10/12/2013 CVO
      Just carefully remove the windshield washer fluid reservoir to have a full clearance access to reach the battery.
  • tomeboni
    tomeboni - 1992 Buick Regal - Engine - 10/12/2013
    How to replace battery
    it seems the windshield washer reservoir is in the way
     
    0 answer
  • tomeboni
    tomeboni - 1992 Buick Regal - Engine - 10/12/2013
    How to replace battery
    it seems the windshield reervoir is in the way
     
    0 answer
  • denise cucaro
    denise cucaro - 2001 Buick LeSabre - Engine - 10/6/2013
    Po1133 fuel air metering
    150000 miles
     
    • HouseCallAuto
      10/6/2013 HouseCallAuto
      Replace the bank 1 sensor 1 oxygen sensor. This sensor is threaded into the outlet of the exhaust manifold at the rear of the engine by the firewall.
  • emailforjeannie
    emailforjeannie - 1993 Buick Century - Engine - 10/6/2013
    Hard to start, then white smoke out of exhaust
    didn't drive car for 10days, then was hard to start. got started & heavy white smoke out of exhaust. Any idea what trouble could be?
     
    • Jimm
      10/6/2013 Jimm
      The white smoke is not a good sign; more than likely - the cylinder head gasket has a leak due to the overheating.
      As the first step; perform a cooling system / radiator pressure test when the engine is cold - to locate the leak.
      Obtain a loaner tool / free radiator pressure tester from the local auto parts stores such as Autozone, O'Reilly, NAPA, Advance Auto, or PepBoys. Follow their instructions and pump it to an adequate air pressure 12 -15 psi or the pressure rating listed on the radiator or reservoir cap. Observe the leaks and perform the repair.
      Note: do not over pressurize beyond the pressure allowed by the radiator cap, then test the radiator cap as well.

  • scowinfield
    scowinfield - 1997 Buick Park Avenue - Engine - 10/1/2013
    The car will not turn over at all it has power to everything but it wil not even attempt to turn tested starter its fine
    this is after i changed the steering column because the old one was loose and the right turn signal had quit working. everything else was fine until i Changed out the steering column.
     
    • HouseCallAuto
      10/1/2013 HouseCallAuto
      You have a security / anti-theft issue going on. You can't just switch steering columns, they are not plug and play. Try this first:

      Do the automated learn 30 minute procedure as follows...

      1. Insert your key into the ignition lock cylinder.
      2. Turn the ignition switch to the RUN position. The SECURITY indicator illuminates for the length of the auto learn timer (10 minutes).
      3. When the auto learn timer expires and the SECURITY indicator turns OFF, turn the ignition switch to the OFF position. Remove the key.
      4. Wait 10 seconds.
      5. Repeat steps 1–4 twice for a total of 30 minutes.
      6. Insert the newly learned key into the ignition lock cylinder. Turn the ignition switch to the RUN position. The SECURITY indicator remains OFF. This indicates that the new ignition key was learned.
  • emailforjeannie
    emailforjeannie - 1993 Buick Century - Engine - 9/30/2013
    Whitish smoke from exhaust
    120,000 miles. car not driven for 10 days, was hard to start, then heavy whitish smoke coming out of exhaust. any idea what trouble is?
     
    • HouseCallAuto
      9/29/2013 HouseCallAuto
      Depends on how much white smoke. You may be burning coolant as a result of a bad head gasket or maybe you are overreacting to normal condensation / humidity smoke.
      HouseCallAuto
      9/30/2013 emailforjeannie
      Thanks! Do you know, is the head gasket very costly to replace?
    • HouseCallAuto
      9/30/2013 HouseCallAuto
      Yes it is, more than $1000 so if it is a head gasket you would really have to be attached to this car and want to keep it after paying for that.
 
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