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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2
Reload this Page TSB - Exhaust/Muffler Heat Shield Rattle, Popping Noise Under Vehicle

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  #1  
Old 09-02-2004, 08:19 PM
Klaus's Avatar
Klaus Klaus is offline
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Join Date: Nov 2002
Location: CSA
Posts: 2,511
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Default
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML><HEAD><TITLE>Service Information</TITLE>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="Microsoft FrontPage 5.0" name=GENERATOR></HEAD>
<BODY bgColor=#ffffff>
<FORM name=topNavForm action=/servlets/CellHandler>
<TABLE width="100%" align=center>
<TBODY>
<TR>
<TD width="25%" slign="LEFT"></TD>
<TD align=middle width="50%">Document ID# 1302284
2003 HUMMER
H2 </TD>
<TD align=right width="25%"></TD></TR></TBODY></TABLE>
<HR>
</FORM>
<H1>Exhaust/Muffler Heat Shield Rattle, Popping Noise Under Vehicle (Install
Heat Shield Retaining Straps On Muffler) #02-06-05-005B -
(04/16/2003)</H1></TABLE>Exhaust/Muffler Heat Shield Rattle, Popping Noise Under
Vehicle (Install Heat Shield Retaining Straps On Muffler)


2002-2003 Cadillac Escalade, Escalade EXT</P>


2000-2003 Chevrolet Silverado, Suburban</P>


2002-2003 Chevrolet Avalanche</P>


2000-2003 GMC Denali, Denali XL, Sierra, Yukon XL</P>


2003 HUMMER H2</P>


with 5.3L or 6.0L Gas Engine (VINs T, N, U -- RPOs LM7, LQ9, LQ4)</P>


Except 1500 Series Models</P>


This bulletin is being revised to add RPO LQ4 to the Models information.
Please discard Corporate Bulletin 02-06-05-005A (Section06 --
Engine/Propulsion System).</P><A name=ss1-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss1-1302284">
<H5>Condition</A></H5>


Some customers may comment on a rattle/popping noise from under the
vehicle.</P><A name=ss2-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss2-1302284">
<H5>Cause</A></H5>


The separation of the muffler heat shield from the muffler may cause a rattle
under the vehicle.</P><A name=ss3-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss3-1302284">
<H5>Correction</A></H5>


Install two heat shield retaining straps, P/N15164621, to the muffler
and muffler heat shield. Follow the service procedure below to correct this
concern.</P>
  1. <LI type=1>Raise and support the vehicle. Refer to Lifting and Jacking the
    Vehicle (SI Document ID #737171).

    <LI type=1>Install a retaining strap, P/N15164621, around the front of
    the muffler and muffler heat shield as shown above.
    <LI type=1>Pull the retaining strap tight with one hand and tighten the Allen
    head screw with the other hand. Tighten


    Tighten the Allen head screw on the retaining strap to 13.5N·m
    (119lbin).</P>
    <LI type=1>Repeat steps 2 and 3 on the rear of the muffler.
    <LI type=1>Lower the vehicle. </LI>
<A name=ss4-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss4-1302284">
<H5>Parts Information</A></H5>
<TABLE width="100%" border=1>
<TBODY>
<TR>
<TH vAlign=bottom align=middle>


Part Number</P></TH>
<TH vAlign=bottom align=middle>


Description</P></TH>
<TH vAlign=bottom align=middle>


Qty</P></TH></TR>
<TR>
<TD vAlign=center align=middle>


15164621</P></TD>
<TD vAlign=center align=middle>


Strap Asm-Exhaust Muffler Heat Shield</P></TD>
<TD vAlign=center align=middle>


2</P></TD></TR></TBODY></TABLE>


Parts are currently available from GMSPO.</P><A name=ss5-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss5-1302284">
<H5>Warranty Information</A></H5>


For vehicles repaired under warranty, use:</P>
<TABLE width="100%" border=1>
<TBODY>
<TR>
<TH vAlign=bottom align=middle>


Labor Operation</P></TH>
<TH vAlign=bottom align=middle>


Description</P></TH>
<TH vAlign=bottom align=middle>


Labor Time</P></TH></TR>
<TR>
<TD vAlign=center align=middle>


*L2540</P></TD>
<TD vAlign=center align=middle>


Shield, Muffler Retaining Clamp - Install</P></TD>
<TD vAlign=center align=middle>


0.2hr</P></TD></TR></TBODY></TABLE>


*This is a unique labor operation number for use only with this bulletin. The
number will not be published in the Labor Time Guide.</P>


</P>
<TABLE width="100%">
<TBODY>
<TR>
<TD align=left width=778><FONT size=1>GM bulletins are intended for use by
professional technicians, NOT a "do-it-yourselfer". They are written
to inform these technicians of conditions that may occur on some vehicles,
or to provide information that could assist in the proper service of a
vehicle. Properly trained technicians have the equipment, tools,
safety instructions, and know-how to do a job properly and safely.
If a condition is described, DO NOT assume that the bulletin applies to
your vehicle, or that your vehicle will have that condition. See
your GM dealer for information on whether your vehicle may benefit from
the information.
</FONT></TD>
<TD align=middle width=42></TD>
<TD align=middle width=167><FONT size=2>WE SUPPORT VOLUNTARY TECHNICIAN
CERTIFICATION
</FONT></TD></TR></TBODY></TABLE>
<P align=center>© Copyright General Motors Corporation. All Rights
Reserved. </P>
<FORM name=bottomNavForm>
<HR>

<TABLE width="100%" align=center>
<TBODY>
<TR>
<TD width="25%" slign="LEFT"></TD>
<TD align=middle width="50%">Document ID# 1302284
2003 HUMMER
H2 </TD>
<TD align=right width="25%"></TD></TR></TBODY></TABLE></FORM></BODY></HTML>
Reply With Quote
  #2  
Old 09-02-2004, 08:19 PM
Klaus's Avatar
Klaus Klaus is offline
Hummer Guru
  
Join Date: Nov 2002
Location: CSA
Posts: 2,511
Klaus is an unknown quantity at this point
Default
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML><HEAD><TITLE>Service Information</TITLE>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="Microsoft FrontPage 5.0" name=GENERATOR></HEAD>
<BODY bgColor=#ffffff>
<FORM name=topNavForm action=/servlets/CellHandler>
<TABLE width="100%" align=center>
<TBODY>
<TR>
<TD width="25%" slign="LEFT"></TD>
<TD align=middle width="50%">Document ID# 1302284
2003 HUMMER
H2 </TD>
<TD align=right width="25%"></TD></TR></TBODY></TABLE>
<HR>
</FORM>
<H1>Exhaust/Muffler Heat Shield Rattle, Popping Noise Under Vehicle (Install
Heat Shield Retaining Straps On Muffler) #02-06-05-005B -
(04/16/2003)</H1></TABLE>Exhaust/Muffler Heat Shield Rattle, Popping Noise Under
Vehicle (Install Heat Shield Retaining Straps On Muffler)


2002-2003 Cadillac Escalade, Escalade EXT</P>


2000-2003 Chevrolet Silverado, Suburban</P>


2002-2003 Chevrolet Avalanche</P>


2000-2003 GMC Denali, Denali XL, Sierra, Yukon XL</P>


2003 HUMMER H2</P>


with 5.3L or 6.0L Gas Engine (VINs T, N, U -- RPOs LM7, LQ9, LQ4)</P>


Except 1500 Series Models</P>


This bulletin is being revised to add RPO LQ4 to the Models information.
Please discard Corporate Bulletin 02-06-05-005A (Section06 --
Engine/Propulsion System).</P><A name=ss1-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss1-1302284">
<H5>Condition</A></H5>


Some customers may comment on a rattle/popping noise from under the
vehicle.</P><A name=ss2-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss2-1302284">
<H5>Cause</A></H5>


The separation of the muffler heat shield from the muffler may cause a rattle
under the vehicle.</P><A name=ss3-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss3-1302284">
<H5>Correction</A></H5>


Install two heat shield retaining straps, P/N15164621, to the muffler
and muffler heat shield. Follow the service procedure below to correct this
concern.</P>
  1. <LI type=1>Raise and support the vehicle. Refer to Lifting and Jacking the
    Vehicle (SI Document ID #737171).

    <LI type=1>Install a retaining strap, P/N15164621, around the front of
    the muffler and muffler heat shield as shown above.
    <LI type=1>Pull the retaining strap tight with one hand and tighten the Allen
    head screw with the other hand. Tighten


    Tighten the Allen head screw on the retaining strap to 13.5N·m
    (119lbin).</P>
    <LI type=1>Repeat steps 2 and 3 on the rear of the muffler.
    <LI type=1>Lower the vehicle. </LI>
<A name=ss4-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss4-1302284">
<H5>Parts Information</A></H5>
<TABLE width="100%" border=1>
<TBODY>
<TR>
<TH vAlign=bottom align=middle>


Part Number</P></TH>
<TH vAlign=bottom align=middle>


Description</P></TH>
<TH vAlign=bottom align=middle>


Qty</P></TH></TR>
<TR>
<TD vAlign=center align=middle>


15164621</P></TD>
<TD vAlign=center align=middle>


Strap Asm-Exhaust Muffler Heat Shield</P></TD>
<TD vAlign=center align=middle>


2</P></TD></TR></TBODY></TABLE>


Parts are currently available from GMSPO.</P><A name=ss5-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&psdid=293&evc=sm#ss5-1302284">
<H5>Warranty Information</A></H5>


For vehicles repaired under warranty, use:</P>
<TABLE width="100%" border=1>
<TBODY>
<TR>
<TH vAlign=bottom align=middle>


Labor Operation</P></TH>
<TH vAlign=bottom align=middle>


Description</P></TH>
<TH vAlign=bottom align=middle>


Labor Time</P></TH></TR>
<TR>
<TD vAlign=center align=middle>


*L2540</P></TD>
<TD vAlign=center align=middle>


Shield, Muffler Retaining Clamp - Install</P></TD>
<TD vAlign=center align=middle>


0.2hr</P></TD></TR></TBODY></TABLE>


*This is a unique labor operation number for use only with this bulletin. The
number will not be published in the Labor Time Guide.</P>


</P>
<TABLE width="100%">
<TBODY>
<TR>
<TD align=left width=778><FONT size=1>GM bulletins are intended for use by
professional technicians, NOT a "do-it-yourselfer". They are written
to inform these technicians of conditions that may occur on some vehicles,
or to provide information that could assist in the proper service of a
vehicle. Properly trained technicians have the equipment, tools,
safety instructions, and know-how to do a job properly and safely.
If a condition is described, DO NOT assume that the bulletin applies to
your vehicle, or that your vehicle will have that condition. See
your GM dealer for information on whether your vehicle may benefit from
the information.
</FONT></TD>
<TD align=middle width=42></TD>
<TD align=middle width=167><FONT size=2>WE SUPPORT VOLUNTARY TECHNICIAN
CERTIFICATION
</FONT></TD></TR></TBODY></TABLE>
<P align=center>© Copyright General Motors Corporation. All Rights
Reserved. </P>
<FORM name=bottomNavForm>
<HR>

<TABLE width="100%" align=center>
<TBODY>
<TR>
<TD width="25%" slign="LEFT"></TD>
<TD align=middle width="50%">Document ID# 1302284
2003 HUMMER
H2 </TD>
<TD align=right width="25%"></TD></TR></TBODY></TABLE></FORM></BODY></HTML>
Reply With Quote
  #3  
Old 09-02-2004, 08:19 PM
Klaus's Avatar
Klaus Klaus is offline
Hummer Guru
  
Join Date: Nov 2002
Location: CSA
Posts: 2,511
Klaus is an unknown quantity at this point
Default
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML><HEAD><TITLE>Service Information</TITLE>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="Microsoft FrontPage 5.0" name=GENERATOR></HEAD>
<BODY bgColor=#ffffff>
<FORM name=topNavForm action=/servlets/CellHandler>
<TABLE width="100%" align=center>
<TBODY>
<TR>
<TD width="25%" slign="LEFT"></TD>
<TD align=middle width="50%">Document ID# 1302284
2003 HUMMER
H2 </TD>
<TD align=right width="25%"></TD></TR></TBODY></TABLE>
<HR>
</FORM>
<H1>Exhaust/Muffler Heat Shield Rattle, Popping Noise Under Vehicle (Install
Heat Shield Retaining Straps On Muffler) #02-06-05-005B -
(04/16/2003)</H1></TABLE>Exhaust/Muffler Heat Shield Rattle, Popping Noise Under
Vehicle (Install Heat Shield Retaining Straps On Muffler)


2002-2003 Cadillac Escalade, Escalade EXT</P>


2000-2003 Chevrolet Silverado, Suburban</P>


2002-2003 Chevrolet Avalanche</P>


2000-2003 GMC Denali, Denali XL, Sierra, Yukon XL</P>


2003 HUMMER H2</P>


with 5.3L or 6.0L Gas Engine (VINs T, N, U -- RPOs LM7, LQ9, LQ4)</P>


Except 1500 Series Models</P>


This bulletin is being revised to add RPO LQ4 to the Models information.
Please discard Corporate Bulletin 02-06-05-005A (Section06 --
Engine/Propulsion System).</P><A name=ss1-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&amp;psdid=293&amp;evc= sm#ss1-1302284">
<H5>Condition</A></H5>


Some customers may comment on a rattle/popping noise from under the
vehicle.</P><A name=ss2-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&amp;psdid=293&amp;evc= sm#ss2-1302284">
<H5>Cause</A></H5>


The separation of the muffler heat shield from the muffler may cause a rattle
under the vehicle.</P><A name=ss3-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&amp;psdid=293&amp;evc= sm#ss3-1302284">
<H5>Correction</A></H5>


Install two heat shield retaining straps, P/N15164621, to the muffler
and muffler heat shield. Follow the service procedure below to correct this
concern.</P>
  1. <LI type=1>Raise and support the vehicle. Refer to Lifting and Jacking the
    Vehicle (SI Document ID #737171).

    <LI type=1>Install a retaining strap, P/N15164621, around the front of
    the muffler and muffler heat shield as shown above.
    <LI type=1>Pull the retaining strap tight with one hand and tighten the Allen
    head screw with the other hand. Tighten


    Tighten the Allen head screw on the retaining strap to 13.5N·m
    (119lbin).</P>
    <LI type=1>Repeat steps 2 and 3 on the rear of the muffler.
    <LI type=1>Lower the vehicle. </LI>
<A name=ss4-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&amp;psdid=293&amp;evc= sm#ss4-1302284">
<H5>Parts Information</A></H5>
<TABLE width="100%" border=1>
<TBODY>
<TR>
<TH vAlign=bottom align=middle>


Part Number</P></TH>
<TH vAlign=bottom align=middle>


Description</P></TH>
<TH vAlign=bottom align=middle>


Qty</P></TH></TR>
<TR>
<TD vAlign=center align=middle>


15164621</P></TD>
<TD vAlign=center align=middle>


Strap Asm-Exhaust Muffler Heat Shield</P></TD>
<TD vAlign=center align=middle>


2</P></TD></TR></TBODY></TABLE>


Parts are currently available from GMSPO.</P><A name=ss5-1302284><A
href="http://127.0.0.1:9001/servlets/BlobShtml?ShtmlFile=1302284&amp;psdid=293&amp;evc= sm#ss5-1302284">
<H5>Warranty Information</A></H5>


For vehicles repaired under warranty, use:</P>
<TABLE width="100%" border=1>
<TBODY>
<TR>
<TH vAlign=bottom align=middle>


Labor Operation</P></TH>
<TH vAlign=bottom align=middle>


Description</P></TH>
<TH vAlign=bottom align=middle>


Labor Time</P></TH></TR>
<TR>
<TD vAlign=center align=middle>


*L2540</P></TD>
<TD vAlign=center align=middle>


Shield, Muffler Retaining Clamp - Install</P></TD>
<TD vAlign=center align=middle>


0.2hr</P></TD></TR></TBODY></TABLE>


*This is a unique labor operation number for use only with this bulletin. The
number will not be published in the Labor Time Guide.</P>


</P>
<TABLE width="100%">
<TBODY>
<TR>
<TD align=left width=778><FONT size=1>GM bulletins are intended for use by
professional technicians, NOT a "do-it-yourselfer". They are written
to inform these technicians of conditions that may occur on some vehicles,
or to provide information that could assist in the proper service of a
vehicle. Properly trained technicians have the equipment, tools,
safety instructions, and know-how to do a job properly and safely.
If a condition is described, DO NOT assume that the bulletin applies to
your vehicle, or that your vehicle will have that condition. See
your GM dealer for information on whether your vehicle may benefit from
the information.
</FONT></TD>
<TD align=middle width=42></TD>
<TD align=middle width=167><FONT size=2>WE SUPPORT VOLUNTARY TECHNICIAN
CERTIFICATION
</FONT></TD></TR></TBODY></TABLE>
<P align=center>© Copyright General Motors Corporation. All Rights
Reserved. </P>
<FORM name=bottomNavForm>
<HR>

<TABLE width="100%" align=center>
<TBODY>
<TR>
<TD width="25%" slign="LEFT"></TD>
<TD align=middle width="50%">Document ID# 1302284
2003 HUMMER
H2 </TD>
<TD align=right width="25%"></TD></TR></TBODY></TABLE></FORM></BODY></HTML>
Reply With Quote
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