Question about 2000 Buick Century

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Why is my 2000 buick century making a low pitched hum when I am driving at 30 mph and higher?

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  • 378 Answers

Bad wheel bearing should get lound when turning from side to side.

Posted on Dec 01, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jeffk14
  • 16 Answers

SOURCE: how to replace a coolant level sensor, 2000 buick century

TRY THIS. Good luck!

Posted on Nov 22, 2008

davidkay61
  • 23 Answers

SOURCE: buick century 2000 wipers

I found the following description on the web, this covers a bunch of the questions I was going to ask...

I own a 2000 Silo and wondered the same thing and do see some GM vans with this problem.

When I bought mine I also bought the Haynes Repair manual (1997 thru 2001 all models GM) #38036 to learn how to fix this and a LOT of other components in/on the van.

For $20 it's worth it.

To answer your question: If the wipers stop at the position they're in when the switch is turned off (Fail to park), disconnect the multi-function switch electrical connector. (This is located under the dash next to the firewall and steering column)

If the wipers now park, replace the multi-function switch. If the wipers still do NOT park, check the wiring from the wiper motor to the switch for a short circuit. If the circuits are good, replace the wiper motor.

Note: There are other adjustments needed for proper operation than just bolting and new motor on.

You can have a look at this manual at any automotive parts supply store.

Posted on Dec 06, 2008

Papa Chan
  • 56 Answers

SOURCE: how to replace a coolant level sensor, 2000 buick century

The coolant level sensor is located on the radiator. If you are looking at the engine from the front of the car it will be on the left side. There will some kind of clip holding it in the radiator. Removed the clip and pull the sensor out. You will lose coolant so try to swap it out quick or drain some of the coolant out. Once new sensor is installed, install clip to keep the sensor in place and reconnect the wires to the sensor. Crank the engine and make sure the coolant level is full. This should correct your problem.

Posted on Jan 04, 2009

  • 1 Answer

SOURCE: LOW TIRE PRESSURE WARNING LIGHT

Turn ignition to run position,go to fuse panel right hand of vehicle,push and hold reset button for 5 seconds,low pressure light will flash 3 times,start car it should turn off the low pressure light.

Posted on Jan 29, 2009

localwonder
  • 6784 Answers

SOURCE: my 2000 buick century is over heating fans are

Hi, these are two separate issue here.

The abnormal shift is isolated within three ares. i would suggest checking the transmission fluid level first to make sure of the proper level. if its low, you will experience Miss shifts of this nature. if the fluid level is sufficient, i recommend moving your inspection to the TCM(transmission control module). this is the control module that initiates the correct shifting intervals and it relays the actual shift signal to the shift solenoids located inside the transmission pan. if the module is malfunctioning, it will affect the shift patterns dramatically. If the module is in good condition, i would then move on to the actual shift solenoids themselves.

These devices preform the engaging of the gears within the transmission as stated above. if this device is not working or is malfunctioning, it will affect the way the transmission shifts. If you have not preformed a proper transmission flush and have not changed the filter for a while, it would help if this maintenance was initiated soon if possible.

Now, concerning the overheating issue. if the fans are running in a correct manner, this will most likely point to a faulty water pump or an faulty thermostat that may be froze(stuck in position not allowing proper water flow). the most common fix will be to preform a radiator flush. during this flush, if you notice a rusty water flow and tiny metal fragments running out the radiator, this will confirm extreme radiator damage to the inner coils and it will have to be replaced or rebuilt. I would recommend flushing the radiator and testing both the water pump and thermostat for there operational value.

Please rate and god bless:)


Posted on Apr 27, 2009

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1 Answer

Low pitch whirring sound coming from front end when above 30 mph


It could be that you have a front wheel bearing that is getting noisy. Have someone ride in the RF seat and listen to the noise to try to figure out which front wheel the noise is coming from.
Also , check the tread pattern of the front tires to see if it has some unusual choppy pattern forming.

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When it makes the noise and you able to do this try turning to the right and to the left. If the noise changes or goes away than your on the right track with a bad wheel bearing.

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What is the low pitched hum when driving?


more than likely your tires or wheel bearings

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1999 buick century won't accelerate over 30 mph


is the check engine light on ! if so have it scanned to find problem code. auto-zone will scan for free, with a OBD-II scanner, as long as light is still on. if vehicle was running good before this happed it could be a few things wrong. tuneup, airfilter, throttle body dirty, fuelpump ( low fuel pressure ) or a clogged uo fuel filter. hope this helps! even a dirty maf sensor will cause, poor acceleration.

Aug 04, 2011 | 1999 Buick Century

1 Answer

Car makes a low pitch sound starting at 30mph & getting louder as speed increases. 1999 Buick Park Avenue Ultra w/ 3.8liter.


Check for uneven tire wear, make sure the wheels are properly balanced, check for proper tire inflation.
Low pitched noise that increases with speed is related to tires, wheel bearings, etc. Start with the easy and cheap remedies first... tire inflation, wear etc.

Nov 26, 2009 | 1999 Buick Century

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2000 Lincoln LS rumble from 40 - 45 mph


See If the pitch changes when you swerve the car from left to right. You don'e have to swerve hard enough to scareanyone, just enough to load one side more than another. If the pitch changes, you likly have a bad wheel bearing or tire. Tires will make any noise a wheel bearing will so switch tires first side to side and see if the problem fgollows the tires. If not then check the wheel bearing.
Also and maybe first:

The fact that the noise is limited to such a narrow speed could also indicate an aerodynamic issue such as a roof rack or bike rack or somthing like that having moved and is now vibrating.

Feb 07, 2009 | 2000 Lincoln LS

2 Answers

LOW TIRE PRESSURE WARNING LIGHT


Turn ignition to run position,go to fuse panel right hand of vehicle,push and hold reset button for 5 seconds,low pressure light will flash 3 times,start car it should turn off the low pressure light.

Jan 05, 2009 | 2000 Buick Century

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