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In this Part 3 video, I start putting things back together! Hope this is helpful to you. 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 89017622 Crankshaft Oil Seal (Front) http://amzn.to/2GRHVOG GM Air Conditioning Pressure Sensor http://amzn.to/2F7YoRo Permatex Ultra Grey RTV http://amzn.to/2GPwPcO 2004 GMC Envoy Shop Manual http://amzn.to/2CFThDK How to Remove Oil Pickup Tube GM 4.2L - Part 1 https://youtu.be/sfq8wB6F82o I Broke My Oil Pan (GM 4.2L Oil Pickup Tube Removal - Part 2) https://youtu.be/aHmcJjjlf9w Diagnosing Envoy Low Oil Pressure Part 1 https://youtu.be/k0LG_L5AuI8 Diagnosing Envoy Low Oil Pressure Part 2 https://youtu.be/h4qm1adlRAE Diagnosing Envoy Low Oil Pressure Part 3 https://youtu.be/T8RGLqtxjwc
I may have found a really easy way to diagnose the deep engine knock as a bad cam timing solenoid! 2003 GMC Envoy SUV 4x4 4.2L auto, similar to chevy trailblazer and buick raineer of same model year ranges.
In this video I show how I remove and replace the upper ball joints on my 2004 GMC Envoy with about 262,000 miles. Hope this is helpful. Envoy Wheel Hub Replacement https://youtu.be/fWMdvWcon2w Music credit: https://www.hooksounds.com/
Video on diagnosing a severe engine noise on a 2006 gmc envoy xl denali with the 5.3 engine
I had the privilege of visiting Airtex, and while I was there I spoke with Shane Neuman about diagnosing a faulty fuel pump. In this video we go over the basic steps of diagnosing a faulty fuel pump. So if your vehicle isn't starting and you suspect a fuel pump problem, here are some steps to follow to confirm your suspicions. Another 'quick' test is to bang on the fuel tank and then try and start the engine. Sometimes this works, just don't bang too hard, you could damage something. Airtex diagnosis webpage: http://www.airtexproducts.com/techresources1.html Here's a link to an article I wrote on diagnosing No Starts that you might also find useful: http://www.ericthecarguy.com/faq/solving-automotive-no-start-problems The best place for answers to your automotive questions: http://www.ericthecarguy.com Facebook: https://www.facebook.com/EricTheCarGuy?fref=ts Twitter: https://twitter.com/EricTheCarGuy Google+: https://plus.google.com/100195180196698058780/posts Information on Premium Membership: https://www.ericthecarguy.com/premium-content-streaming-etcg-content Stay Dirty ETCG Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.
Here is a trick I came across to help diagnose and pinpoint engine noises. Hope its helpful. Feel free to share your tips and tricks in the comments section below.