Question about 2004 Buick Rendezvous

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Slight noise from rear when accellerating, not from exhaust or mo

2006, 3.6l, 60kmiles Rendezvous sounds a bit like a bad bearing under load. (when accellerating)???

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It is most likely a bad wheel bearing. I had my rear passenger wheel bearing break at 75000 miles. get it replaced and when you that, replace rotors and brakes to be on the safe side

Posted on Feb 07, 2010

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Light Vibration and Humming sound in cabin


no posts on this old post. but no year, so .... as an example
to others posting, NO year?, NO answers.
but... here you go.
NOISE MOVING, ONLY !: (dangerous tests)
NO noise , in neutral, guning throttle like mad man.
or doing same in drive, all brakes set, wheels chocked,
DO the FSM A/T trannny Stall test. 5seconds max !, at 0MPH this puts full load on most the parts, MAKE NOISE NOW?
moving.....
cutting the engine , depends? in neutral? or coasting in gear.
risk 2, accidentally hitting park doing the test.
risk1:
selecting neutral and cutting the key (danger if the steering locks ) do so only off road, and no people about, no turns., no cliffs, no trees, no rocks. (flat desert or parking lot, at early hours..etc.)
Safety first.....
"and it goes off."<<< meaning the noise stops? key off?
btw:
the wheel bearing are under full load, now.
in turns the wheel bearing are under more load (huge in fact)
and the CVs run all the time.
but, if goes off means. no sound , it can be. (sure not wheel bearings)
1: exhaust parts, rattling. (running)
2: engine noise. (lots of possible) , but see test above.
3: A/T trans noise (its A/T right?) bad front, A/T pump? or TC?
or 150 other vastly complex A/T parts. bad.
when coasting , the CV do turn all the rear planetary gears ( and axle gears)
so they are not bad, as the quiet sound ending , proves.

keep in mind most parts, under torque love to make noise.
so cutting the engine, cuts most that torque, and hides the bad parts, with silence.

i use and remote electronic ear to find moving noise.
electronic stethoscope.
it has small microphones that clamp to suspected parts.
this removes most the danger in testing.

good luck finding it, if it still makes noise.


Aug 28, 2013 | Honda Civic Cars & Trucks

1 Answer

Sqweeking with clunk clunk noise from neerside rear universal joint?


universal joint bad or rear end bearing no car make model

Jan 18, 2013 | Jaguar XJ8 Cars & Trucks

1 Answer

Slight noise when turning left. RF hub bearing?


Wheel bearing by the sounds of it. These cars are known for wheel bearings going bad. Hope this helps

Jan 04, 2013 | 1997 Chevrolet Cavalier

1 Answer

My 2002 Ford Explorer 4WD has a significant humming noise/light vibration while driving and sounds like the rear differential bearings/gears. How can I tell/pinpoint the problem?


Usually, the rear pinion bearing will make a higher pitched whining noise under a slight load. As soon as the throttle pedal is released, the noise stops. The rear axle shaft bearings will make a lower growling rumble when they are bad.

Another thing to check are the Emergency brakeshoes inside the hub of the rear rotors. The shoe material frequently separates from the rusty shoe plates and the bonded material gets pulverized. This would be similar to a "rocks crushing" sound and can cause vibration in the drivetrain.

The U-joints can cause this problem too. Check for rust and oil streaks which appear shortly before the U-joints fall apart. You should find telltale streaks on the undercarriage of your vehicle.
The front driveshaft can cause noise without being powered. There is just enough sympathetic rotation when the 4 wheel drive is Off, to cause sounds and vibration.

Testing can be aided by using a Commercial hoist and having the drivetrain engaged with the engine running. You would observe the shaking or use a probe "long broom handle" to the stationary parts like the axle tubes, differential housing, pinion bearing area, and so on. This would require a helper to sit in the hoisted vehicle and a second person to stand under a running machine. Not for the faint of heart. No baggy or loose fitting clothes, no long hair, etc.

Now there is a specialized machine which can Electronically investigate noise and vibration. There are sensors which are placed under the vehicle and it listens to vibrations. I saw one machine one time. It helps in balancing driveshafts too. A driveshaft balancing shop may be able to fix you up.

I hope my solutions are very helpful to you. If you do not have the exotic testing equipment you may have to drop the driveshafts to check your U-joints.

Jan 26, 2011 | 2002 Ford Explorer

2 Answers

My 1999 expedition has a grinding noise when I excelerate


it may be the drive shaft or the rear axle or a wheel bearing

Sep 21, 2010 | 1999 Ford Expedition

1 Answer

95 gmc sierra k1500 4x4 5spd manual noise


the leak is probably a separate issue from the noise. is the leak very bad? can you tell if it's engine oil or transmission lube/fluid? most likely the rear main bearing seal needs replacing. the noise is most likely the clutch release bearing. you should replace all components of the clutch assembly which include; clutch plate, pressure plate, release bearing and piolot bearing. also have the fly wheel resurfaced. while the trans is out, you can check the rear main seal and the trans input shaft seal and replace accordingly.

May 03, 2010 | 1993 GMC Sierra K1500

1 Answer

2001 NAVIGATOR 2WD TIRE RUBBING NOISE FROM TAKE OFF ALSO WHEN PULLING TRAILER LOADED WITH HORSES REAL BAD,WE HAVE REPLACED ALL MOUNTS AND BOUGHT NEW TIRES STILL SAME PROBLEM.GOING ON FOR ABOUT 6 MONTHS.


Sounds like a pinion bearing is bad in the rear differential.
If the sound is in the rear and louder under load (acceleration or pulling) and quieter on no load (deceleration) it is a 99% chance the bigger of the 2 bearings on the pinion is bad.
The big one is under load when accelerating and the smaller one is under load on deceleration.
The rest of the diff should be OK.
Just put in 2 complete pinion bearings and a new pinion seal and fresh fluid and you should be fine.
In the future don't forget to change the diff fluid once in a while.
And as a tow vehicle the trans fluid should be changed more often too and STAY OUT OF OVERDRIVE when towing.
Because you may have a failed bearing....you may be over loading your vehicle and exceeding it's towing capacity.
Ford has a tendency to be VERY optimistic with their towing/loading ratings.
Is it rated for 30% more than what you are pulling?

Nov 09, 2009 | 2001 Lincoln Navigator

2 Answers

I own a 06 chevrolet 4wd. it makes an awful roaring noise


There is a bearing, somehwere that is the most likely cause.

Does anything alter the sound, accelleration, decell, moderate turning (thinking to unload one side and load the other side of the vehicle)?

My vote would be for a bearing, and they are hard to tell until you tear the offending bearing apart...

Sep 21, 2009 | 2006 Chevrolet Silverado 1500HD

1 Answer

Low growling noise in front end


typically, this sounds like a wheel bearing. To test, the noise can often be altered by accellerating /decelerating, and more evident by turning the vehicle.

The truning process is to put load on one side, then the other. if the right side has a damaged bearing, for example, the noise would be noticibly altered (less in this case) when turning to the right. Load would be slightly less. Testing speed in the area of 25 to 35 mph.

doc

Sep 14, 2009 | 2003 Nissan Altima

3 Answers

Noise from the rear of my 97 crv when turning left and right


Hi

Sounds more a rear wheel bearing problem ?

Check for excessive play, and noise from both rear wheel bearings and hubs, with the vehicle jacked up and supported safely.

Good Luck !

A FixYa rating would be nice...Thanks... John.

Feb 27, 2009 | 1997 Honda CR-V

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