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                                                                      EXHIBIT 15

Tenneco Automotive Inc.

August 14, 2001

We are aware that Tenneco Automotive Inc. has incorporated by reference in the
following Registration Statements its Form 10-Q for the quarter ended June 30,
2001, which includes our report dated July 23, 2001, covering the unaudited
interim financial information contained therein. Pursuant to Regulation C of the
Securities Act of 1933, that report is not considered a part of the Registration
Statements prepared or certified by our firm or a report prepared or certified
by our firm within the meaning of Sections 7 and 11 of the Act.

<Table>
<Caption>
REGISTRATION NO.                                                FORM
- ----------------                                                ----
                                                             
333-24291...................................................    S-3
333-17485...................................................    S-8
333-30933...................................................    S-8
333-17487...................................................    S-8
333-41535...................................................    S-8
333-27279...................................................    S-8
333-23249...................................................    S-8
333-27281...................................................    S-8
333-41537...................................................    S-8
333-48777...................................................    S-8
333-76261...................................................    S-8
333-33442...................................................    S-8
333-33934...................................................    S-8
333-58056...................................................    S-8
</Table>

Very truly yours,

Arthur Andersen LLP