Exhaust Muffler/Tailpipe - Corrosion

Number: 86-128


Section: 6F
Date: July 1986
Subject: EXHAUST MUFFLER/TAILPIPE CORROSION


MODEL AND YEAR: 1985-1986 SPECTRUM


TO: ALL CHEVROLET DEALERS


Some Spectrums which are subjected to frequent short trip use may experience muffler and/or tailpipe corrosion.

This condition is the result of excessive acid deposits from exhaust gas condensation in the muffler.

A new muffler is available, which incorporates revised materials to provide increased corrosion resistance. Vehicles which exhibit the described condition should have the muffler assembly replaced using the new muffler, P/N 94447117.

Use applicable labor operation time and number.