× 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
Re: AMC 4.2L rattle at low RPM
Posted to Technical Discussion Forum on 6/16/2023

I would park vehicles outside, and with a fully warmed up engine run 1 to 2 cups ATF into the intake, and immediately turn it off. Let it sit in about an hour then I would restart and run about a quart of water through. Creates a heck of an amount of smoke but... Login to read more.