Waiting on Harmonic Balancer Installer (GM Oil Pickup Tube Removal - Part 4)

I'm making good progress. The Envoy is very close to being back on the road. Stay tuned for future installments. After an initial diagnosis of low oil pressure with a manual pressure gauge in my 2004 GMC Envoy (~255,000 miles), I decided to investigate the oil pickup tube. Come to find out, it was about 90% clogged! This is how I fixed it. GM 12628565 Timing Cover/Oil Pump GM 89017622 Crankshaft Oil Seal (Front) GM Air Conditioning Pressure Sensor Permatex Ultra Grey RTV How to Remove Oil Pickup Tube GM - Part 1 I Broke My Oil Pan (GM Oil Pickup Tube Removal - Part 2) Diagnosing Envoy Low Oil Pressure Part 1 Diagnosing Envoy Low Oil Pressure Part 2 Diagnosing Envoy Low Oil Pressure Part 3 Music Credit: