GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 677341  Size: SH
  1. Locate the noise suppressor filter (1) taped to the engine harness (2) behind the right cylinder head.
  2. Remove the noise suppressor filter (1) from the harness electrical connector.

Installation Procedure


    Object Number: 677341  Size: SH
  1. Install the noise suppressor filter (1) to the electrical connector located in the electrical harness (2).
  2. Secure the noise suppressor filter (1) to the harness with electrical tape as necessary.