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    Weird oil pressure problem 2005 Yukon 5.3

    2005 GMC Yukon AWD 5.3. Long story short. Oil pressure reads zero at startup but if you stab the throttle comes up to normal. Replaced sending unit same thing. Replaced the pickup tube and o-ring same thing. Manual pressure gauge indicates zero pressure until stabbing the throttle, at which...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    Didn't know about him. I'll keep him in mind in the future.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    Open carry is legal here. I do it all the time. I happened not to be that day.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    Thank you all for the kindness and input!
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I'm not gonna run until I need to drive it to the new shop. It has 7 in it now. I'll add the 8th before I start it and head out.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I typically try to do all of my own work as well, but having a hernia and it being very cold right now makes that a tough ask. We are going to have some below zero Temps this week. The big deal with this shop is telling me it was ready, taking my money, knowing I was picking it up after hours...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    This is a necessity or it will leak at the seams where the parts bolt to the block. Additionally, I would recommend purchasing the auxiliary clamp for the pickup tube. Here is a link to a Melling branded unit...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    That's easier said than done. The shop owner has communicated to me he has no interest in doing the right thing. My only recourse at this time is to get it repaired, video or photograph and document the findings, and pursue legal action to try to get my money back. It's the principle of the...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    No, from the shop that did the initial repair. It goes in for repair at the new shop the 22nd.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    What I'm saying is, I think it is possible the pickup tube is cracked at the underside of the flange where the clamp at the bolt secures it to the oil pump inlet. I am not saying they did or didn't replace the o-ring, at this point only the mechanic knows that, especially since they did not...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    The one in the oil cap is. I'm aware of the extra clamp that can be used to even out the pressure and I'm definitely going to have one installed during reassembly.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    At this point I'm kind of wondering if the clamp was overtighened and the edge that contacts the bulge in the tube has cracked or pierced it? Judging by the o-ring deformation, I think it's a possibility. If you look closely, the flange in the tube is really deformed nearest the bolt, and the...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I'm posting another view of the o-ring before removal. Does anything look out of the norm here? Is it typical for the side nearest the bolt to retain more of its shape than the side opposite?
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    Here's some pics from the mechanic that just did the job. He did not send a pic of the pickup tube with the new seal on it? Notice the picture of the oil pan pre cleanup. Looks pretty good for 207k miles. Not much in the way of sludge or build up. Speaks well of full synthetic oil and timely oil...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I understand your perspective, but telling the customer it is ready, taking payment, knowing I was picking it up after hours, in 20 degree weather, and NOT telling me it had zero oil pressure is the real issue here. There is a problem with something they did. The only thing between the pump and...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I'm in Colorado Springs.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I'm just really upset about it. Sorry for being touchy. I'm not loaded and it just tears me up to be done this way.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I truly thank you for considering me! I'll get this figured out one way or another.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    He mentioned it in a phone call today. Not yesterday. Not before I picked up the truck, and not before telling me it had zero oil pressure, because he never told me that. That in itself should be enough to show that the shop is not on the up and up. What? Did they think I wouldn't notice the...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I took the truck home because it's a ****** part of town and I still wanted it to have the rims and tires on it and still have the stuff in it and not stolen. The shop was closed. Everyone was gone. No way to get in touch with them. I have been nothing but nice to these people even though I had...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    The owner of the shop is telling me he bets it is the stepper motor in the gauge. I can replace that to eliminate it as a possibility. Just tell me this. With 7 quarts of oil in the truck, I can point the nose downhill and it immediately has proper oil pressure at startup. If I just point it...
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I suppose you're right, but it was 2 different questions and I needed the info as quickly as possible, that being the reason for this post.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    AWD. Colorado
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    I called them and they are putting it all in my lap.
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    Can i run my 2005 Yukon 5.3l with 8 quarts of oil in it

    Here is more info. I hired them to change the oring in the pickup tube. Before doing this it had zero oil pressure with a new ACDelco oil pressure sensor. It was full at 6 quarts and no oil pressure at startup. At the recommendation of a mechanic, I added 2 quarts of oil and jacked the rear of...

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