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What's that sound?

950 Views 5 Replies 3 Participants Last post by  NIZMO6, 
NIZMO6
Hey everyone,
SO my truck has close to 40 thousand miles now with a case of noises. My exhaust muffler finally is rusting out and pieces are breaking loose and rattling. Also the motor is making a funny noise and that's what concerns me the most. its a high pitch whine, its around 2,000 rpms and up. it sounds like several things to me; alternator, fan belt, or a belt tensioner.
Has anyone else had this problem?
Im going to try and record the noise from under the hood and maybe somehow post it so everyone can hear what it sounds like.

(attached is a picture of what came out of my exhaust on the right and on the left is a quarter to compare.)

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NIZMO6
NIZMO6 said:
Hey everyone,
SO my truck has close to 40 thousand miles now with a case of noises. My exhaust muffler finally is rusting out and pieces are breaking loose and rattling. Also the motor is making a funny noise and that's what concerns me the most. its a high pitch whine, its around 2,000 rpms and up. it sounds like several things to me; alternator, fan belt, or a belt tensioner.
Has anyone else had this problem?
Im going to try and record the noise from under the hood and maybe somehow post it so everyone can hear what it sounds like.

(attached is a picture of what came out of my exhaust on the right and on the left is a quarter to compare.)
Click to expand...
here is the sound clip

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NIZMO6
Scott Hutch said:
Could be the dreaded timing chain tensioner noise im afraid. Only 40k means its still in power train warranty. Take it to the dealer dude!

Personally I would ditch the gibson on the exhaust. Half the reviews i hear mention it falling apart
Click to expand...
Sounds like a plan. so is this common or only common if you rawl dog your truck?

as for the gibson, great exhaust but i would recommend the stainless cause mine is aluminized. i bought the exhaust back in 06. im thinking of getting a flow threw muffler by magnaflow. but i dont want to lose to much back pressure.
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NIZMO6
NIZMO6 said:
im thinking of getting a flow threw muffler by magnaflow. but i dont want to lose to much back pressure.
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does anyone have a flow through muffler?

Like this or somewhat like this
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