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2002 Z06 exhaust jingle

M

murph

Guest
Is anyone having this same noise coming from their Vette? A TSB appeared on the Edmunds site and the NHTSA site also. The summary states: component: exhaust system -Summary:concerns with exhaust system jingle noise. I have contacted Chevrolet and they state there is no TSB for the problem. If someone can direct me on this one it would be great.
Thanks,
Murph
 

c4c5specialist

Technical Advisor
Joined
May 29, 2001
Messages
3,682
Location
New Haven, Ct. USA
Corvette
Nope, but someday.
HI there,
There is NOTHING in the GM technical data base yet, for a dealership to reference, as of today, 07-15-02.
This is a known condition throughout the Corvette community, and Corvette engineering has been working hard on it. I know the fix is just around the corner, so I would ask for your patience.
As soon as the bulletin number has been issued, Rob will install it in the database here for future reference.
Besttoyou, c4c5:hb
 
S

salah

Guest
I hear that jingle noise all the time...

Not worried, however.... I'm GM will have a fix soon....
 
V

vettepilot

Guest
Whats wrong with the jingle noise? I think it gives the ZO6 a character apart from other cars when sitting at an idle. If this is the jingle you're talking about. But thats just MY opinion.
vettepilot
 
2

2k2Z06

Guest
I have the same problem with my '02 Z06. My '01 didn't make that jingling noise. Everyone I've talked to says "exhaust jingle". Sounds more like a bottom end rattle to me. Mine goes in to the dealer again for this noise.

BTW, I'm new to the forum, so hello to all of you.
 

Rob

Site Administrator
Staff member
Administrator
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Messages
13,763
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1990 Corvette ZR-1
2k2Z06 said:
I have the same problem with my '02 Z06. My '01 didn't make that jingling noise. Everyone I've talked to says "exhaust jingle". Sounds more like a bottom end rattle to me. Mine goes in to the dealer again for this noise.

BTW, I'm new to the forum, so hello to all of you.

Welcome to the Corvette Action Center.

Out of curiosity, where does the noise tend to come from? Back of the car, or front of the car? Does the "jingle" occur at certain rpms, or just when the car is idling or both?
 

rwd

Well-known member
Joined
Jan 22, 2002
Messages
234
Location
Yes
Corvette
Varies
FWIW, the 'jingle' noise is usually most noticeable in gear on deceleration with the windows down. At idle with the clutch in or out there are a number of tranny noises, some normal, some not. Some Z's have been reported to have cold piston slap.

I believe GM is supposed to be working on a jingle fix, but nothing has come down yet.
 
2

2k2Z06

Guest
Rob, thanks for the welcome. The jingle I spoke of increases with the RPM's. It's not an overwhelming noise, but there none the less. Sounds like the 20 extra HP that GM got out of the 2002's is coming from the assiatance of Santa and his reindeer. As I said, I really think it's a bottom end noise (engine). Hell, I've only got 1400 miles on it. And none of them hard, was waiting until I get my 1st oil change at 1500 mi. And yes the noise sounds like it's coming from the engine.
 

c4c5specialist

Technical Advisor
Joined
May 29, 2001
Messages
3,682
Location
New Haven, Ct. USA
Corvette
Nope, but someday.
HI there,
The exhaust jingle is exactly that, due resonance within the H pipe assembly, causing the condition.
A fix is on the way, and will be public soon.
Besttoall, c4c5:hb
 
0

03Z06405

Guest
When I had my 2002 Z06 the jingle was present some of the time.
My 2003 Z06 however does not have the jingle noise problem so far.
 

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