Catalytic Converter - Rattle Noise

88mazda03

Category 4
Applicable Model/s 1986-1988 RX-7
Subject NO. 2 PRE-CONVERTER BRACKET
Bulletin No. 048/88
Issued 5/5/88
Revised
DESCRIPTION

There is a possibility that a rattling noise may be heard from the underside of the vehicle when starting the engine or decelerating. This may be due to breakage of the pre-converter bracket welded on the flange of the No. 2 pre-converter.

If you encounter this complaint, please replace the bracket with a new one according to the following instructions. The pre-converter bracket has been newly established as a service part.



REPAIR PROCEDURE

1. Remove the insulator for No. 2 pre-converter.



2. Remove the broken bracket and welding seams from the No. 2 pre-converter by using an air hammer cuffer or a chisel.



NOTE:
^ Wear safety goggles when using air tool or chisel.
^ Be sure to check that the welding seams are removed from the installation surface of bracket. File the surface, if necessary.



3. Install (bolt on) the new bracket to the No. 2 pre-converter.

NOTE:
It is not necessary to weld the new bracket.
PARTS INFORMATION

N326 40 530A Pre-Converter Bracket (Newly established)

WARRANTY INFORMATION

Customer Comment Code: 7A
Damage Code: 01
Part No. of Main Cause: N326 40 530A
Operation No: XX0269RX
Labor Hour: 0.5 Hr.