EXHIBIT 99.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Annual Report for the Tenneco Automotive Employee Stock
Ownership Plan for Hourly Employees (the "Plan") on Form 11-K for the period
ended December 31, 2002 as filed with the Securities and Exchange Commission on
the date hereof (the "Report"), Richard P. Schneider, as Chairman of the Tenneco
Automotive Inc. Benefits Committee, hereby certifies, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that:

            (1) The Report fully complies with the requirements of Section 13(a)
or 15(d) of the Securities Exchange Act of 1934; and

            (2) The information contained in the Report fairly presents, in all
material respects, the net assets available for benefits and changes in net
assets available for benefits of the Plan for the dates and periods indicated.


Date:  June 30, 2003                      /s/ RICHARD P. SCHNEIDER
                                          - - - - - - - - - - - - - - - - -
                                          RICHARD P. SCHNEIDER
                                          CHAIRMAN OF TENNECO AUTOMOTIVE INC.
                                          BENEFITS COMMITTEE



This certification accompanies this report pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the
Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended. A signed original
of this written statement required by Section 906 has been provided to the
Company and will be retained by the Company and furnished to the Securities and
Exchange Commission or its staff upon request.