Questions tagged [buick]

A Division of General Motors. Includes models such as Grand National, Riviera, Gran Sport, Regal, Enclave, LaCrosse, and others.

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41 views

Hard Starting only when warm - getting camshaft position sensor codes, but have replaced them

Have a 2012 Buick Regal Ecotec 2.4 with 95K miles. Had engine light with PO340 code to replace camshaft position sensor. Was getting no drive-ability issues at the time, but replaced sensors. After a ...
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16 views

1999 Park Avenue makes a high -pitched squealing noise after 25 minutes of driving

Why does my 1999 Park Avenue run fine and quiet for 20 - 25 minutes of driving, but then a pulsing squeal starts? After that, a high pitched squeal. Facing the engine, the noise comes from lower right ...
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24 views

05 Buick Rainier engine reduction how to fix?

I'm having a problem getting the engine power reduction to go away. Usually I just have to turn off the vehicle and crank it back up and it's fine. Not this time. We have tried a number of things, ...
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43 views

Car universal remote function won't learn our garage door opener

So, we have a new-to-us vehicle since the last time I posted (a 2015 Buick Lacrosse, these days), but that has resurfaced an old issue: our car's "universal remote control" (what other folks here seem ...
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1answer
23 views

Very Poor Acceleration on 2001 Buick Regal

About three days ago I noticed my car (2001 Buick Regal) was acting a bit sluggish when accelerating on the highway, the engine would rev up a bunch and the CEL flashed, but otherwise the car still ...
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25 views

After a fuse box replacement the car doesnt start

My ac was not working and I took the dealership and they told me the fuse box needs to change, so I got a fuse box and took the negative battery cable out and replaced the fuse box but my car doesn't ...
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77 views

Where is location of AC pressure sensor on 2007 Buick Lacrosse?

I will replace the AC pressure sensor/pressure switch on my 2007 Buick lacrosse. I don't have lots of experience but I am learning. I recently changed the oil, flushed the coolant, replaced the ...
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2answers
94 views

Do I have to disconnect the battery before I replace AC pressure sensor/pressure switch?

I did some research and with some people's help, I think my AC pressure sensor/pressure switch doesn't work properly. When I try to turn on AC I see the light come on but it doesn't give me cold air. ...
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38 views

AC clutch doesn't get engaged

My 2007 Buick lacrosse was giving warm air when I turn on AC and I looked compressor and clutch wasn't turning so I thought I am low on refrigerant and went the shop did recharge and it was working ...
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13 views

Buick Regal tail lights inop. And chiming

I have a 2000 Buick Regal with several symptoms. The fuse for the tail lights keeps burning out. The dashboard dimmer doesn’t work, even with the headlights on. The automatic lights don’t work When ...
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9 views

Headlamp issue on buick

I have a 2006 Buick lacrosse, I was told that both headlights went out on the drivers side, low beams and high beams I removed the locking straps to headlight, changed the bulbs. Reinstalled the ...
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26 views

Check engine light error

My 06 Buick LaCrosse 3.8L has a check engine light that says that the MAP has a low voltage, so I checked the air filter. It was clean, then I changed out the MAP and the check engine light went off ...
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33 views

Heating issue on vehicle 2005 buick terraza

why does my vehicle only heats up while driving long distance but parked cool air comes and no overheating ,front heater cool but back heater is hot?
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1answer
53 views

Checking the oil

I have a 2008 Buick lacrosse I'm pretty sure you're suppose to check the engine oil after the car has been sitting for at least 5 minutes with the engine off. But now I'm questioning this because I ...
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31 views

Adaptive HID headlights not working after rain intake due to a crack in the housing from an impact. Can anything be salvaged or repaired?

I have a '13 Buick Lacrosse with a touring trim. It comes with adaptive HID headlights with a blue rings (whatever it is, it's very hard to find). There is a rather large crack in the polycarbonate ...
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1answer
40 views

91 Buick Regal radio/amp replacement

I have a 91 Buick Regal sedan that some part of the car stereo has died on. It turns on but I cannot get any audio out of it. It seems that the radio and amp are contained in one unit under the glove ...
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25 views

2005 Buick Rainier: Turn signals don't operate correctly and turn on the high lights instead

When I operate the right directional, it does not work, instead the high lights come on. Occasionally the directional works. The car is a 2005 Buick Rainier
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1answer
542 views

What size is my oil drain plug?

2002 Buick Century The last time that the oil was changed was in a shop (Sears). That plug is in really tight. The odd part is that I can't seem to get a wrench on it good enough. 5/8" is too big, so ...
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161 views

1999 Buick Century has no power (no lights, won't crank, no remote door unlock)

The other day I came out after work to go home, put the key in the ignition and tried to start it up. Nothing, like the car had no power. No lights, nothing. After a few minutes the car suddenly ...
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1answer
83 views

How do I (permanently) repair this door?

The family vehicle out here is a 2010 Buick Lucerne. About two years ago, the left front inner door handle failed and was replaced. Ever since then, every few months, the left front inner door ...
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1answer
35 views

I broke this line replacing water heater tubes

I just broke this line replacing my water heater tubes is that bad?
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1answer
65 views

I have an 2000 buick lesabre and it’s shooting out and leaking water from the side of the engine every time I drive it

I have an 2000 buick lesabre and it’s shooting out and leaking water from the side of the engine every time I drive it it was trying to over heat because of a hole in the transmission line to the ...
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1answer
57 views

All Parts Good but Car Won't Start

What causes a 2010 Buick Lacrosse not to start if the starter is good and the battery is new but there is no clicking of the starter when the key is turned in the ignition? The grounds are tight and ...
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1answer
228 views

Buick Rendezvous 3400 SFI no start when warm/hot

The problem is that when the engine is warm/hot it does not want to start. I can crank it all day long but it doesn't even sputter. Things I checked: -Fuel pressure -Spark (It seems weak? Has an ...
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109 views

Battery Alternator and Starter Fine but have to jump start car

I have a 2012 Buick Lacrosse A few days ago it wouldn't start and appeared to be the battery or related issue. I just started it, ran it for a while, then turned it off and restarted it just fine. ...
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34 views

Spark plugs won't fire! Mechanic for hire?

I have a 1995 Buick LeSabre the car was running perfect. Went to get a tire put on it and the serpentine belt broke. Replaced the belt and tried to crank the car and wasn't getting fire to the spark ...
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2answers
323 views

2006 Buick Rendezvous 3.5 will not rev over 3500 rpm in park or driving with pedal to the metal. Any ideas?

3.5 will not rev over 3500 rpm. PO 449 is the only code stored. It will not rev over 3500 cold or hot. After driving 10-15 minutes seems like the transmission is searching for a gear, just ...
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1k views

Buick Lacrosse CXL transmission fluid

I just had my transmission fluid changed in my Buick Lacrosse CXL, they used an STP brand of fluid and said it was Dexron III. I am reading that GM recommends Dexron VI for this car. Is it ok to use ...
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142 views

Random no start issue…95 buick lesabre limited edition (vin type L)

So i drive a 1995 buick lesabre limited edition V6 3.8ltr which is relatively in good shape and only has 197,000km. Recently I: Replaced the water pump Fixed an oil leak coming from the sleeve around ...
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1answer
408 views

How do I locate a vacuum hose in 1993 Buick Regal for heating system

The heater ducts on a 1993 Buick Regal are not working ~ they are stuck on defrost. I suspect a vacuum leak is causing the issue ~ where is the vacuum hose located so I can verify this?
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202 views

2004 Buick century AC problem

My 2004 Buick century is having AC problems while I'm sitting in idle my car AC blows ice cold air but once I start to drive at about 35mph it starts to blow warm air and when I stop at a light or put ...
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3answers
6k views

Accidentally put transmission fluid in my engine

Accidentally put one quart of transmission fluid in my engine how much damage am I causing driving the car
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36k views

Brake rotor grinding when moving after installing new pads /rotors

After changing the brake pads and rotors of my 2006 Buick Lucerne I hear a scraping /grinding noise that corresponds with the rotation of the wheel so the faster I go the faster the noise goes. The ...
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73 views

Can anyone help me identify this car? I think it's a 1941 __________ 2 door coupe (Buick? Chevy?)

Can anyone help me identify this car? I think it's a 1941 __________ 2 door coupe (Buick? Chevy?) And what does the small logo say on the left trunk rear? Thanks!!
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932 views

Serpentine belt area covered in black gunk/grease

Recently my 2013 buick verano stopped running. It would start but there wasn't enough power going to the battery. First thing I thought was the alternator. I opened the hood to find the serpentine ...
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32 views

Did a Century/W-Body/GM Issue Exist Due to Chafing Wires Under the Dash?

I am trying to find out if an issue is a common flaw. Sixth Generation Buick Century's (1997-2005) Maybe all W-Bodies, or even all GM's of the era, I am not sure. But lets focus on Sixth Gen ...
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78 views

Missing Vin number Doors replaced

I brought a 1995 Buick Park Ave into California and the DMV will not register it because it only has the VIN on the dashboard. Both doors have been replaced and the CA DMV requires two forms of ...
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769 views

2008 Buick LaCrosse sporadic trouble starting

I have a 2008 Buick LaCrosse with 190000 miles. Fairly well maintained. Lately I’ve been having trouble starting it sporadically with seemingly no specific thing causing it. First - the symptoms: ...
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2answers
54 views

Can a year-old oil-in-coolant situation fix itself?

So a year ago I took my 2003 Buick Century Custom to get an oil change. The mechanic there told me he found oil in my cooling system and that I should start looking for a new car. I moved out of town ...
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14k views

How to stop the loud humming from brakes

I have a 2002 Buick LA Saber Custom car. I replaced my rotors last year and just put new brakes on it. Now when I put brakes on to stop it makes a loud humming noise from both back wheels. I have ...
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137 views

Heater cycles between hot and cold, overheating

I have a 2001 Buick Century, my heater cycles between blowing hot and cold air. I have recently flushed my radiator as well as replaced the coolant. My temperature gauge rises to a point that the ...
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1answer
87 views

2000 Regal only puts out warm air

2000 Buick Regal heater only blows warm air with temp set set on 90. AC works fine and automatic controller sends air to all selected discharge points, just doesn't get hot like it should. Both hoses ...
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32 views

2002 Buick Century

2002 Buick Century will every so often not start. I get in it and turn the key to start. Nothing. Lights all come on. Lights do not dim. Starter does not make any noise. Battery is new as well as the ...
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55 views

Cylinders misfiring

I have a 1999 Buick Lesabre Custom that I've had for about a year now and about a month or two ago the check engine light came on and it's been flashing. I got it diagnosed and it said spark plugs and ...
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1answer
561 views

Doea a 2004 buick century have a timing belt?

Does a 2003 Buick century have a timing belt?
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152 views

2000 Buick Regal GS Key fob Half Paired

I drive a 2000 Buick Regal, and all of a sudden both key fobs I had paired stopped working. I have tried going through the pairing procedure again, but it never works. While pairing, after holding ...
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517 views

Help! Too much pressure in cooling system

So I have a 1980 Buick regal with a Pontiac 265 v8 mated to a th200.. I am having issues with the cooling system. I have replaced a dozen thermostats and 3 radiators. and 3 aftermarket coolant temp ...
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47 views

What to do with aftermarket radiator as far as installing engine coolant sensor

2002 buick century custom 3.1 I bought an aftermarket radiator for 2002 buick century custom 3.1. The new radiator doesn't seem to have a place for the engine coolant sensor. What should I do? Is it ...
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735 views

why Buick Park Avenue blowing hot air on drivers side?

Just had new battery installed, now a/c on drivers side warm while passenger side nice and cool. Why?
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863 views

Frequent vibration at highway speed

I have a light vibration that happens at highway speeds, but doesn't always happen. It seems like 3/4ths of the time I'm on the highway I get vibrations if I'm over 65/70 mph. It seems to happen ...