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My car is doing great but now suddenly I hear this big tuk sound from the back as if something has misplaced. It happens repeatedly with intervals. I examined my car underneath and I blame this one join which seem to be out of place. I am attaching photos. The car is Mazda 626, year 2000. The join clearly is out of its place. I dont know what it is

Here is a picture of the read left (the same thing) which is in place.

Rear left which is in place

Can someone tell me what this is? Is the car ok to drive to mechanic (5 miles)? Can I fix it myself? How much would it cost?

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As far as I can see, it's looks like the links between the frame and stabilizer bar. I've change mine recently (on a Toyota Land Cruiser) because the bushing where in terrible shape. Change both side while you are there, 4 bolts total.

This is from NAPA (Sway Bar Link - Rear Susp) for a 2000 Mazda 626 for ~35$/each:

Sway Bar Link - Rear Susp

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Thank you. I think I can't change it myself, can I? Do you know the the big Tuck sound could be produce by this? – Dave Nov 21 '11 at 13:47
I have no idea what a "tuck" sound is, but broken end links will let the swaybar flop around and make sounds like the whole car is falling apart. :-) – Brian Knoblauch Nov 21 '11 at 14:17
@Dave I think you can do it yourself, only 4 bolts to remove and 4 to replace. If you are unsure, see a professional! – Gabriel Mongeon Nov 21 '11 at 14:46
checked this video on youtube While it really looks easy for Mazda, the guy had to break off one bolt. I guess better to get it done by someone else. – Dave Nov 22 '11 at 1:51
@Dave yes, and they will usually guarantee the job done. Good luck! – Gabriel Mongeon Nov 22 '11 at 14:15

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