× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
GM 3.8 Manifold Failure Area
Posted to the Waveform Library on 7/11/2002

The 3.8 plastic intakes melt and crack from the heat generated from the EGR tube which enters the larger hole. This can be easily seen after removal by applying air pressure to the coolant passages (smaller holes).