| Subject: | Revised Drum Brakes Component Specifications | 
| Models: | 1999-2000 Cadillac Escalade | 
 | 1997-2000 Chevrolet and GMC C/K Pickup and Utility Models (Old Style) | 
 | With Power Drum Brakes (RPOs JB5, JD5) | 
 
This bulletin is being issued to revise the Component Specifications
in the Drum Brakes sub-section of the Service Manual. Please replace the current
information in the Service Manual with the following information.
The following information for 1998-2000 has been updated within
SI2000. If you are using a paper version of this Service Manual, please make
a reference to this bulletin on the affected page.
The correct drum diameter replacement specification for 10 inch
brake drums is 256.30 mm (10.09 in).