TSB 33-17-01A: Paint Peeling From Muffler - New Repair Paint (33/17/01A)

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Publication date: 1997-12-01 Reference number: 33/17/01A PAINT PEELING FROM MUFFLER - NEW REPAIR PAINT PAINT PEELING FROM MUFFLER - NEW REPAIR PAINT TECHNICAL SERVICE BULLETIN Reference Number(s): 33/17/01A PAINT PEELING ROM MUFFLER (NEW REPAIR PAINT AVAILABLE) Model(s): 1993-98 GM Passenger Cars with Painted Mufflers Section: 10 - Body Bulletin Number: 33-17-01A Date: December, 1997 NOTE: This bulletin is being revised to add additional model years. Please discard Corporate Bulletin Number 33-17-01 (Section 10 - Body). CONDITION Some owners may experience paint peeling from the muffler. CORRECTION Clean and repaint the affected area using the following procedure and product. NOTE: DO NOT replace components to repair this condition. The exhaust system MUST be cold to begin this procedure. Material Required: Wabash Products * #KB-318-HHHS, available in pints or quarts as ready to spray material (no mixing required). Call Wabash Products, 1-800-326-7269 or 812-232-6097 for pricing and shipping information. - We believe this source and their equipment to be reliable. There may be additional manufacturers of such equipment. General Motors DOES NOT endorse, indicate any preference for or assume any responsibility for the products or equipment from these firms or for any such items which may be available from other sources. PROCEDURE - ON A COLD EXHAUST SYSTEM Raise vehicle on hoist. While supporting exhaust with a transmission jack, remove the rear exhaust system hangers and lower the exhaust. Clean the affected area with a wax and grease remover, lacquer thinner or other suitable solvent. Wire brush the affected area to remove flaking paint and blow off with air. Sand the affected area with #80 to 150 grit sandpaper to remove rust, dirt or other contaminants. Clean the affected area with a wax and grease remover, lacquer thinner or other suitable solvent. Tape off the rear lower body panels and exhaust pipes forward of mufflers to protect from overspray. Apply paint to affected area in several (6 to 8) thin coats (to prevent sags and runs) obtaining approximately 1 mil paint coverage. Raise exhaust system with jack, reinstall exhaust hangers, lower vehicle and remove from hoist. Allow 30 minutes drying time. In a well ventilated area, start engine and allow to idle for up to 30 minutes until paint is cured and dry. NOTE: Some "smoking" will occur while curing the paint with the engine running. CAUTION: The paint can be heated and cured while driving, but be careful NOT to get the exhaust system wet during the first 30 minutes. WARRANTY INFORMATION For vehicles repaired under warranty, use: Labor Operation No.: A6150 - Single exhaust Labor Time: 0.6 hr. Add - Dual Exhaust Labor Time: 0.2 hr. Material Allowance: GC NOTE: While the above procedure and materials are correct for vehicles from 1993 to 1998, the Labor Operation and Time Allowance only pertains to vehicles in the Warranty period.