Exhaust Pipe Joint Rattle Noise

91subaru02

NUMBER 09-29-91


DATE 05-09-91


APPLICABILITY 1987 THROUGH 1991 JUSTY VEHICLES
WITH FLEX JOINT STYLE EXHAUST PIPE

SUBJECT: EXHAUST PIPE JOINT RATTLE


If you encounter a customer complaint of an exhaust pipe rattle between 2,500 and 2,600 RPM when accelerating slowly. It is possible the noise is coming from the flex joint betveen the front and rear pipe.

Figure 1:

To correct this condition, install two (2) washers, Part Number 031014000 under each spring at the flex joint. See Figure 1. Be sure to install two (2) new self locking nuts, Part Number 902350004 and torque to 156 in.lbs. +/- 43 in.lbs.

This countermeasure was employed in production starting with 91MY VIN 703595.

Flat Rate Information

The following operation can be claimed for vehicles still covered under the Limited Subaru Warranty using the following information:


ITEM DESCRIPTION/ OPERATION LABOR
FAILURE CODE NUMBER DESCRIPTIONS TIME

EXHAUST PIPE A239-041 FLEX JOINT WASHER 0.3
FLEX JOINT WASHER INSTALLATION
EAF-48