hi

I bought this 98 nissan altima 4 months ago. ( Feb 2007 )
it has manual transmission.
Mileage -- 93 K ( Feb ) and now 98 K (June)

I have three issues :-

1) When I turn ( specially while turning left ), I hear a distinct
clunk below my foot on the floor. When I take a very nice slow
smooth turn it might not happen. However, when i make a sudden
turn this mostly ( may be always) happens.

I believe I hear the same sound when the car passes over bumps.
I have had problems with bumps for past 2-3 months.
I dont know if these two have the same cause.

Are these two related ? Can I do some small minor checks to help
diagnose the problem.

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2) When I break, specially when I come to halt from 40 mph to 0
I always hear a grinding kind of pulsating noise and sometimes
hear a squeaking noise. Do I need to get my break pads changed ?

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3) When I am going in 2nd or 3rd gear ( i.e. a low speeds ) when I
just remove my leg off the accelerator pedal Or when I begin slightly
pressing the accelerator pedal, I sometimes get a jerk. I have
never experienced this in the 4th and 5th gears. Is this a
serious issue ?

-----------------

While I bought it i knew there was a leak in the steering
pump which was supposedly fixed. Are any of these problems
related to this.

If possible please give me an idea of how much it might cost me
to fix these problems.

--
thanks
Raja

Certainly check the brakes just because but that probably isn't this problem.

What may be wrong is a motor or trans mount. It could allow the engine and trans to move too much under varoius loads and you might be hearing the lack of rubber at a mount or the travel allow the exhause to touch body metal with makes a strange noise too. Exhaust has to flex some with the normal, allowed movement of the engine.

You might be able to see that moves too much with hood open, brakes holding hard and give it load forward and backward and see what moves too much. May take a helper,

T
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Tom Greenleaf - MetroWest, Boston
http://acsource.net/acforum/index.php

My opinion, try to check on your brakes... I also had this problem (with my old car) specially the brake thing and after I changed my brake pads.. It's already fine.
Volvo it's my Life!