Question about 2002 Chevrolet Silverado 2500HD

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Grinding noise that sounds like rocks in a coke can around twenty miles an hour. goes away when i shift to third and pick up speed. i own a 2002 chevy 2500 hd silverado with manual transmission.

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 2002Chevy Silverado 2500 HD Pick up - Security light staying lit...

on chevy the security is on the ignition cylinder not on the key so check the cylinder insteaf of the key question did you had an alarm installed on your vehicle?

Posted on Jul 16, 2008

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MrScary66613
  • 1990 Answers

SOURCE: 2002 Chevy Silverado clunking noice when shift from 2wd to 4hi

It is somewhat Normal Depending on how Loud the Clunking is. This is a Common Complaint on the Chevy 4x4's. I have verified this through the Dealerships here in Oklahoma and they all say the Same thing But, I am with you, They should go into 4x4 without that Clunk for as much as we pay for them.

Posted on Jan 26, 2009

GM Elec
  • 1000 Answers

SOURCE: My third gear grinds when i shift to third it

Has the transmission been serviced? A transmission oil change and lubricant additive may help, however, it sounds as though you have a 3rd gear synchronizer going bad. Verify the shift linkage is not worn and is secure at the shifter and transmission be for spending any cash. If the linkage is good and the fluid change does not help after 150 miles, you might want to visit your favorite transmission shop.
Good luck and let me know.
Regards,

Posted on Feb 25, 2009

  • 75 Answers

SOURCE: grinding noise while driving.

Possible causes:

a) a brake disc shield is too close to the disc, and it's coming into contact in the circumstances you outline

b) pebbles stuck between the disc shield and the disk

c) dried out wheel bearings

d) worn Universal Joints in the drive shafts

e) worn A/C pump

f) worn alternator

g) worn water pump

Is the noise still present above 15 miles an hour and past 1500 rpm when the clutch is disengaged (i.e. gearbox in neutral?). The answer to this question may help you to pinpoint the source. I know it's stating the obvious but the fact that you're hearing a grinding sound means it's caused by something that is moving relative to something else. Again this should help narrow down the cause.

Posted on Jun 01, 2009

sudel
  • 90 Answers

SOURCE: when i shift into third the gears grind.. why?

sounds like the syncromesh has gone in the gearbox. If you dont want them to grind, you,ll have to double declutch. I f you cant do this, get a new gearbox.

Posted on Jun 09, 2009

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1991 gmc jimmy grinding noise.


I'm not sure exactly what the noise could be except that most likely it's in the drivetrain somewhere between the tranny, transfer case, or the rear-differential (AKA: rear-diff, rear-end or third member). None of which would be cheap to repair.

I'm pretty sure the intermittency you're experiencing is because whatever is causing the noise, is only worn & not fully gone yet, but will be soon. Unfortunately, I wouldn't know how to further pinpoint this noise, maybe someone else could???

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Grinding clutch


I'm a little confused on your description of the noise. If I understand you correctly It is making the noise when it shifts smoothly into gear but at the same time it makes a grinding noise ? It possibly can be synchronizers if the grooves on the inside of the synchronizers are worn bad enough to where the gear isn't slowing down enough causing a grind as the clutching teeth on the gear mesh with the synchrode and the shift collar.
If it is making noise in all gears except 4th you may have countershaft brgs failing. The power flow in 4th gear goes directly through the mainshaft and has a 1 to 1 ratio. All other gears the powerflow goes through the countershaft causing a load on the countershaft so if you have bearings failing in the countershaft you will hear noise in all gears but 4th.
i hope I understood you correctly .

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When i shift into third the gears grind.. why?


sounds like the syncromesh has gone in the gearbox. If you dont want them to grind, you,ll have to double declutch. I f you cant do this, get a new gearbox.

Jun 09, 2009 | 2001 Hyundai Accent

2 Answers

Grinding noise while driving.


Possible causes:

a) a brake disc shield is too close to the disc, and it's coming into contact in the circumstances you outline

b) pebbles stuck between the disc shield and the disk

c) dried out wheel bearings

d) worn Universal Joints in the drive shafts

e) worn A/C pump

f) worn alternator

g) worn water pump

Is the noise still present above 15 miles an hour and past 1500 rpm when the clutch is disengaged (i.e. gearbox in neutral?). The answer to this question may help you to pinpoint the source. I know it's stating the obvious but the fact that you're hearing a grinding sound means it's caused by something that is moving relative to something else. Again this should help narrow down the cause.

Jun 01, 2009 | 2000 Chevrolet Blazer

1 Answer

Flywheel area, possibly transmission


the noise might be from a loose bendix on the starter,
the bendix is a little gear in fron of the starter see if there is any visual point to see it nad make sure it keeps away from the flywheel if not have the starter repalced, this bendix have a spring to keep it away from the flywheel also with a flash ligh try to see the closes you can to the center of flywheel sometimes they get crack where they atached to the engine,
and on the shifting might be a bad transmission or the shifter has to be inspected for your mechanic

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