× 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: Suspected no compression on any cylinder
Posted to Technical Discussion Forum on 5/29/2014

2009 Pontiac Vibe in the shop right now, 1.8 engine. Timing chain broke, probably due to the uppermost chain damper coming apart and wedging a piece in the cam sprocket. Bent 6 out of 8 exhaust valves, which also barely dented the top of cylinders 1 and 2.

W... Login to read more.