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post #1 of 5 (permalink) Old 03-04-2006, 06:20 PM Thread Starter
Miguel
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TSB's....

I read this on a for sale.

TSB Exaust jingle completed
TSB Wiper fluid check valve completed

I know about the Wiper, but the Exhaust jingle? What TSB is that?

thx

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2004 MY Z06 - B&B Bullet
360whp & 352wtrq Intake Dyno
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post #2 of 5 (permalink) Old 03-04-2006, 08:11 PM
z06_23_45
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http://alldata.com/TSB/10/021006iX.html


Look at 03-06-05-005 APR 03.
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post #3 of 5 (permalink) Old 03-04-2006, 08:38 PM
IT L GO
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Jingling Noise on Deceleration or Coast Down (Section and Replace Intermediate Exhaust) #04-06-05-006 - (Jun 15, 2004)
Jingling Noise On Deceleration or Coast Down (Section and Replace Intermediate Exhaust)
2002-2004 Chevrolet Corvette

Condition
Some customers may comment on an undesirable "jingle" or "jingling" type of noise when decelerating. The noise is similar to shaking a key ring. This condition is most prominent at the mid- to high-rpm range. This noise may also be noticed when driving next to a cement wall or other barrier that will deflect sound.

Cause
This noise is coming from the "H" pipe area of the exhaust system. The center part of the "H" is formed by a crossover pipe connecting the left and right exhaust pipes. At this point, turbulence builds up in the exhaust system and may produce a jingle noise.

Correction
A service section of the exhaust has been released that incorporates a revised crossover pipe. You will need to cut the original exhaust behind the catalytic converters as described in the procedure below.


Caution
This procedure requires metal cutting. You MUST wear protective goggles and gloves.


Raise and suitably support the vehicle.
Locate the exhaust system crossbrace, located ahead of the catalytic converters. You will need to mark the exhaust pipes based on the measurements as shown in the illustration. In order to make accurate measurements, please note the following:
Measurements need to be made from the forward edge of the crossbrace welded to the pipes.
The most accurate measurement can be achieved by running a measuring tape between the catalytic converters rather than over them down the length of the pipe. In order to measure over the converters, you will have to arc the tape which will result in an inaccurate measurement.
The driver side exhaust pipe should be measured and marked for cutting at 80.1 cm (31.5 in).



The passenger side exhaust pipe should be measured and marked for cutting at 75 cm (29.5 in).
Using an electric or air powered reciprocating saw, cut the exhaust pipes at your marks. It is important to cut the pipes as straight as possible. Use caution not to let the blade cut into the floorpan above the pipe.
Remove the rear exhaust hanger from the cut intermediate section of the pipes.
Support the pipe with your hand and remove the two bolts from each rear exhaust flange.
Discard the sectioned exhaust pipes.

Notice
You must make sure that no burrs remain at the cut point. In addition, the area up to 18 cm (7 in) back from the cut should be clean, smooth and free of metal fragments or burrs. Failure to properly prepare the surface may result in an exhaust leak.


Examine the cuts on the front section of pipe that will be retained. You must make sure that no burrs remain at the cut point.
Install the intermediate exhaust pipes with clamps loosely attached onto the original front section of the exhaust.
Install the exhaust gaskets and secure the new intermediate pipe with two bolts to each rear exhaust flange. Tighten
Tighten the flange bolts to 20 Nm(15 lb ft).

Install and secure the rear exhaust bracket hanger.



Position the exhaust clamps as illustrated, allowing for road clearance. Tighten the clamps. Tighten
Tighten the exhaust clamps to 44 Nm(32 lb ft).

Lower the vehicle.
Verify the alignment of the exhaust tips and start vehicle.
Raise the vehicle and check for exhaust leaks.
Lower and turn off vehicle.

Never argue with an idiot. They drag you down to their level then beat you with experience.
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post #4 of 5 (permalink) Old 03-04-2006, 08:46 PM Thread Starter
Miguel
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Would that be the same as rattling interior around the rear speakers during acceleration.


Ever since I got the B&B it started rattling inside.

[img]Someone find my picture [img]
2004 MY Z06 - B&B Bullet
360whp & 352wtrq Intake Dyno
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post #5 of 5 (permalink) Old 03-04-2006, 10:31 PM
gsjack
 
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Quote:
Originally Posted by Miguel
Would that be the same as rattling interior around the rear speakers during acceleration.


Ever since I got the B&B it started rattling inside.
Think that is your brain rattling from the B&B's sound.

Jack
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