Question about 1996 Mazda 626

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A popping sound in left front of vehicle

When I accelerate from a stop or even when I'm already driving, there is a continuos popping sound coming from the left front wheel or the transmission area. I just replaced all of the motor mounts and it started shortly after. I don't believe it is the tranny but I'm leaving all options open. The feel that comes with the sound is like the left wheel gives a little but the right wheel still pulls fine. I was told it might be a U-Joint or PVC-Joint but I dont think the guy knows what he is talking about. If I could get any help on this it would be greatly appreciated...


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If noise is heard when taking off from stop turning wheel sharp right or left replace axle.What ever side noise is coming from.

Posted on Nov 23, 2008


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Fourwheel drive locks in but when the first resitance the front starts popping. even just driving on flat smooth surface if you turn the wheel left or right something in front differential pops.

After a real serious visual inspection...
& after the vehicle is jacked up and totally secure... try wiggling the wheels by yourself... No play at every joint is what you are looking for... (but keep in mind these thing do tend to fail in pairs).

Still seeing nothing wrong...

Draft a buddy & both of you push those front wheels in opposing directions...
keeping an eye on ALL your U-Joints and/or CV-Joints...

CV = "constant velocity"

That popping is coming from at LEAST one of those.

Still seeing nothing ... get out the manual... for cleaning & repacking your front steering knuckles (also identify the necessary LUBRICANT & necessary torque settings)... in the process you are going to find something SERIOUSLY out of round...

Look closely If any of those bolts are Allen or Torx so your
job does not get stopped for a missing wrench.

You can get a really good idea for parts costs... from ROCKAUTO.

Popping is the last sound before BANGING & smashing...

Hope this is helpful.

Happy hunting!

RockAuto Parts Catalog

Jan 09, 2016 | Cars & Trucks

1 Answer

2002 grand am gt sedan right front clack, and popping when turning or slowing down

If you hear a clacking sound esp. while turning. Sound like your CV joints (constant velocity) or Front Wheel Drive axle.

Apr 13, 2013 | 2002 Pontiac Grand Am

1 Answer

On my 20004 sante fe i get a sort of thumping sound and can be felt throughout the vehicle, when accelerating. I had the left cv axle replaced but did not help. Now the problem is getting worse and i here...

I would need to drive this to try and diagnose the issue. Take it to a tire and front end shop and ask them to drive it and give you an idea what is wrong.

Mar 03, 2017 | 2004 Hyundai Santa Fe

1 Answer

2001 isuzu rodeo Popping sound underneath -sometimes it sounds like it is in the engine sometimes it sounds like it is underneath or by the wheels front or back. It usually happens during acceleration but...

Need more info. Does it happen only in motion? Does this happen when sitting still and increasing the rpms? Does this happen when turning or going straight or both? Have you checked around your radiator fan to assure nothing is simply touching the fan? What sort of "pop" is it.. can you feel it in the steering wheel? Does it have a metallic sound, a dull sound or maybe even a plastic sound. Popping sounds are hard to diagnose without loads of information on them or even a more generalized area where the sound is coming from. Your description of where is coming from, pretty much said.. all over under the truck

Dec 21, 2009 | 2001 Isuzu Rodeo

1 Answer

Popping sound coming from left front wheel

Actually, it sounds like you have a drive axle CV joint that has gone bad. Is it a single pop or does it continue in a rhythmic pattern if you are turning.
How long ago was the transmission rebuilt.

Aug 27, 2009 | 2005 Chevrolet Monte Carlo

3 Answers

Truck makes roaring sound when accelerated, kinda jerks or stops when turning left feels like brakes are on for a moment

have the front wheel caster and, camber checked and, set by an auto shop before your wheel bearings fail

May 20, 2009 | 1999 Ford Expedition

1 Answer

Turbo 2ooo i think it might be some sort off bushes

juddering is UK english for shuddering in US english. The center bearing shouldn't move, i/e/ the shaft should rotate w/o side play in the bearing, but the rubber mounts for the bearing should be flexible. The needle bearings in the universal joints in the front to rear drive shaft can go bad, causing noise when accelerating and they're not changeable w/o special tools. Your problem also sounds like differential, which would mean that you need to change the gear oil in the rear differential. As the oil ages it stops working properly in the limited slip differential even if visually OK. Do the front differential at the same time, engine heat ages it even faster. The center diff is in the AT, so you would change the AT filter and fluid.
How to tell which problem you have... in a parking lot with dry pavement, stop the vehicle, turn the wheel hard right, accelerate a moment, and repeat hard left and centered. If its worse turning, than straight suspect the differential fluids first. If its the same turning or not and especially if its the same on wet or dry pavement and at slow and high speed then look into the propeller shaft first.

Apr 03, 2009 | 1991 Subaru Legacy

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