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Engine noise when accelerating

25K views 13 replies 9 participants last post by  nemolilo 
#1 ·
I drive a 2003 Xterra. I notice a noise coming from the engine whenever i accelerate. does anyone have any idea what this is?
 
#3 ·
Can you describe the noise? I mean, my engine makes noise when I accelerate but nothing out of the ordinary... Just the roar of an underpowered 3.3 v6
 
#6 ·
If you could please describe the noise. Is it a rattle, whining sound, or a clunking sound. The guys on here are sharp but they have to know what type of noise your hearing to diagnose the problem.
 
#7 ·
If you could please describe the noise. Is it a rattle, whining sound, or a clunking sound. The guys on here are sharp but they have to know what type of noise your hearing to diagnose the problem.
its more of a whining or rattling sound. it happens mostly when truck is operating at normal temp. doesnt happen when truck is 1st started. it usually happens when vehicle is about to change gears.
 
#8 ·
its more of a whining or rattling sound. it happens mostly when truck is operating at normal temp. doesnt happen when truck is 1st started. it usually happens when vehicle is about to change gears.
Whining and rattling are completely different, could you try to spot us a few more adjectives?

:D
 
#11 ·
@xcrazy, YEAH! thats the sound....more of a buzzing than whining or rattling. THank u

@Lopez80, OUCH! I hope thats not the problem.

I appreciate all of everyones who took the time to respond and help me out. hopefully its something that wont cost too much to repair. If so, its tax refund time, lucky me...LoL
 
#14 ·
A tsb is a technical service bulletin. This one is for the timing belt tensioner being too tight, I believe, and causing the belt to "buzz". I have read about that on here on another thread so if you do some searching you will find more information.

I believe the fix is to have the timing belt replaced and while that is being done a different belt tensioner is installed to replace the deffective one. I'm not sure if that means that it must be done prior to the 105k mile range that the T-belt is supposed to be good for. Hopefully someone else can chime in.
 
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