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Hey you guys, good morning, Good day to you! Glad you guys are here! Welcome back! We are not working on my Silverado today we are working on that 2004 Chevrolet Suburban Some of you may recognize said Suburban from previous videos it has been featured before. Uh, it is here because the customer states that the engine has low oil pressure now. Uh, last time I saw that truck I installed an oil pressure sending unit because the gauge said it had no oil pressure. we put a sending unit in or pressure came back and uh, now it is intermittently falling low while driving and uh, on occasion it makes a rattle noise on Startup that's not looking too good.

So what we're gonna do is we're gonna get this up on the rack. I'm going to drain the oil I'm going to take a sample of set oil so I can ship that to Blackstone labs and have them analyze it. and uh, I'm also going to cut open the oil filter and uh, check for debris or metal shavings or any contaminants in. If we do not have oil pressure after replacing the engine oil contingent upon the absence of contaminants in the filter, then I'll recheck that sending unit and make sure that that's functioning like it should be.

If we find out that there is no sender problem, I may or may not pull the pan off and replace the oil pump. So this could be a whole lot of work and it could be just a little bit of work. So stay tuned because this is going to be a very good video. and it has 113 775 miles on the clock.

Actually, check it out, it has an actual clock as well. 4 341.5 engine hours. Okay, enough screwing around. Let's get this up in the air.

and uh, cut this filter open I Want to see what's going on on the internals? So far, we have decent oil pressure. It's where it should be. Hmm I Got some new shelves for some inventory I Made an inventory order for uh oil filters. Woo! It's the classic example of I Guess you got to spend money to make money? Yeah! I bought a lot of oil filters.

A lot of them. Parking is Yahoo Firing down: they're not here yet I've only got one multi-pack of filters for a Chrysler so far I'm waiting for the other ones to get delivered, but uh, they're on the way and happening all right. What do we got going on here? We have 5.3 liter. V8 Let's take a peek under our cap.

Nice and clean. We'll pull that out to let us know that oil is coming out of the car that way. Walking by, at a glance, you have an indicator that you have no oil in the engine. Okay, lift arms are set and black subscribe button up.

Let us fetch our oil drain. Um, confession In full disclosure: I Uh I actually forgot my gravity filter gravity I actually uh forgot my um, what you call it my filter kit to send this oil off. So I'm just going to contain this oil in a clean sealed container until I Come back tomorrow with my actual filter kitchen Park That right here there we go. Okay, now we're gonna capture the sediment in our cup unclick and we're not going to start at the beginning of the stream and we're not going to finish at the end of the stream.
I'm going to use a coffee cup. It's clean inside, it's got a lid. This will work to hang on to our sample until uh, well, until tomorrow when I come here with the actual bottle because I forget things. Oh, that's hot.

Ah, it's still hot. Yeah, hot hot hot hot. Let's see, soil's kind of thin. It's also uh at operating temp too, so who knows.

Anyway, we have our sample, it is collected, it's clean in there, there's no debris. We're gonna seal that off and I'll stash this in the office until tomorrow. All right. check this out.

I Get to use my uh, my new oil filter wrench that I got the one I went to Vegas for yo fits on the Ls is perfectly. Look at that. I got these because of the tight clearance between the filters and the oil pan. on this, it's always been a bear with the Ls engines.

Problem solved. All right, let's get this uh, this filter out of here. you hot And it's hot hot. See why? I Wore a glove.

Nasty. Yeah. I'm gonna let that cool off for a second. Okay, that's a little better.

No more scalding oil on my phalanges. There it is Again, all right. Okie Dokes We return to the filter cutting area. My toolbox here: I have this, uh, adjustable oil filter tool.

It's got these rollers on it for one side, then a cutting head on the other side. You adjust it with the knob to fit your appropriate size, give it a little bit of pressure, and then you just turn the filter and The Cutting head will cut into your filter body. Once you get a couple turns out of it, tighten it a little farther, keep going. see what's inside a little tighter.

we're through. Got some oil escaping? Oh, a lot of it. Let's see what we got here. Well, it's definitely a dirty filter.

Okay I Don't see any metal in this thing. No chunks or anything like that. that looks good. There's no debris or build up inside of the filter.

a little bit right here in the bottom of it that might be glue or something. I don't know what that is? Yeah, I don't know. that's odd. but yeah, nothing too irregular here on this unit.

Okay, we go dump this out and we'll just check this for sediment real quick. Well, the filter did its job. There is some sediment at the bottom of this, could have just been contaminants in the filter. Thick, a little bit sludgy, nothing horrible.

Okay, well I don't think we've had catastrophic engine failure. So what we're going to do is we're going to send this sample to the lab, we're going to perform the oil change, refill it, and we're going to go out for a test drive and see if we can't replicate the uh, loss of oil pressure condition. Poof mess is clean and we introduce our Pf-61e oil filter. It's an AC Delco original Equipment Plus because this is the extended length filter and the shorter one is what actually goes on these, but there is a longer version and folks like to use that one, so that's what we're going to use.
Back to the burb, we go. We need to oil the O-ring lubricantio ring. There we go and filter. Oh, there's oil on my finger I can't get it something now.

I've had the oil pan off of this for a reseal a few few months ago. I'm pretty certain that I put a new pickup tubo ring in it. So that being said, I would definitely would like to keep the stick nice and shiny. Cannot have drippages.

Oh beautimous, just like it was next time I touched it. Okay truck coming down. we need to install five quarts. Six quarts of five winter twenty engine lubricant all the way down? Yeah! I've got some.

What is that? Castrol GTX Synthetic 530. customer supplied oil. it's not mine. Begin crank case filling procedure.

Now don't overflow the funnel ring. That's what I get for using funnels plug glug. When we're done with this, we will go inside. I Believe this has a clear flood mode and if it does, we will initiate that to Prime the filter.

That way we don't get a uh a no oil cold start simply because it is highly suspected that there could be a problem with the oil pumping system or worst case scenario, it's uh, losing a bearing like a cam bearing or something and that we're intermittently getting low pressure. That's my fear and that would greatly upset me because I Really like this truck and this engine is in fantastic condition. It has been well maintained I Don't think it died I Got it Possible anything's possible. Anything fail because some spillage and some privilege.

Let's get that out of here. Wipe it down. Okay, cap on. Pre-check Perfect.

Let's go start this. Beast Now I had mentioned clear flood mode. Can we fit? Yes and what that is is a is a mode of operation that allows you or the driver or the operator to crank the engine without the engine actually starting and what we're going to do and not all vehicles have this. Google yours to see if it's equipped.

Foot pedal to the floor accelerator pedal to the floor key on crank if it starts, let off the key immediately and the throttle. Now we take our foot off the pedal, restarting the engine oil pressure gauge. There we go. Pressure's coming up 40 PSI It's where we're supposed to be.

Let's shut her down. hop out and check for leaks all right down below. I See nothing? Let's go check our level again. oil level indicates to me full right here that right there on the full mark.

It's better seen on this side for some reason right there on the full. Mark So we're good to go here. That was exactly six quarts There we go, All right. So next up: I'm gonna restart this.

Let it run for a little while I Want this oil that I just installed to come up to operating temp while that's happening I'm going to lift this truck back up, restocking the engine, and I'm gonna go ahead and pull these wheels off and just do a quick tire rotation and uh, then we'll go. from there, we'll hit the road, take a test drive. we're gonna watch the oil pressure, see if it falls, and then we're going to make a determination of what to do next after our test drive. Okay, I Got three down.
one to go my dear. Come help me. I Got an idea. Come here.

You gotta make some money here. Take that. Come over here. You're learning.

dude. Cheers! Take that. Take the wheel off. Okay, oh cool huh? All right.

put that over there. Okay, yeah, a wrong way. Yeah. Lefty Loosey There you go.

Put it over there. There you go next. Okay nut. gravity.

I'll get it or you get it. I'll get it. We got it right here. There you go.

look. Mommy's learning. Mom's working. look All right.

Come stand right here see if she doesn't like the noise. All right. Perfect. You can do it.

Got it. Noise I know now what? I'll put that down over there that's heavy. I'll take it from here. Okay, thank you.

Thanks for helping. See you later. She wants to learn so we'll learn. All learned together.

That's what we do here Close days. Another my, uh, extremities went faster than my gradient. Did you guys see that? Okay, wheels are back on. Let's let this down.

and uh, go check our gauge. This thing should be at a good temperature by now. Let's check the pressure gauge and then we'll go out and take that drive real quick. Like tires in the way.

There we go. Okay, it looks good under here. Yep, okay, goodbye. V8 or not.

Actually, you know what? while I'm standing here I'm in the interest of, uh, efficiency and due diligence the little things that count. Hello? All right. it's full cap. Click.

Okay. Engine oil pressure? bro. What do we got here? It's 39 pounds. that's looking pretty good.

Let's go out for a ride. But before we do that, powering down key on two three times to the floor with the accelerator pedal, stockings, the engine, and our message indicates to us that come on, oil life has been reset. That's the onboard oil life monitoring system. Next up: Air conditioning because it's humid outside.

And then safety clicks. Ah, backing out the auto, backing out. the auto honks for safety. Where's the baby? He's in there.

Where's the baby? She's back there. Okay. tragic story time. My uh, father's friend.

Mosquito. It's not funny. Yeah. I got him.

He's dead. Silly mosquito. She's laughing at me. She's like cracking up right now.

Anyway, yeah, tragic story time. Uh when I was a young and one of my father's friends. Um, how do I say this? He he was a truck driver and he was prepping to leave one day and uh, he went out and started the truck, got it warmed up. you know it's a heavy duty diesel and put all the kids inside.

went out in the barn for a while. uh, kept getting ready to go something like that and one of the kids had gone out as he was leaving and was playing Between the Wheels of the truck and um, and he backed over him. So uh Having learned my lesson as a young and back then I I always triple and double check, especially with maneuvering around around the kids. So if you're driving in your yard, drive away anything and you got kids around, look at them before you move the vehicle.
If you don't see him, make sure someone does I know that that's a horrible story. Um, and very sad. but uh I Tell it whenever the opportunity to write arises, just to be able to bring awareness to the dangers of children and moving vehicles. because it can happen to anyone.

Okay, onward oil pressure is up because engine RPM is up. Where are we at? 50 something pounds 52? I don't know, but that's where it should be that's in Spec So I'm gonna ride around for a while. keep an eye on this. I I Don't think I'm going to witness an oil pressure loss I Don't think the pump is bad on this and due to the lack of metal that I found in the filter I Don't think there's any damage in there either.

but uh I guess the lab results will tell us so. it looks like this is going to be an experimental and educational part too unless I find something in the test drive. So that being said, as always, like, thank you for watching this video I Hope you enjoyed this video. Uh, please let me know what you think about this video down in the comment section below.

Tap that like button while you're down there and most importantly, Break Check! Do not forget to have yourselves a great day! See you guys later! End of Tahoe For now Suburban Not Tahoe Suburban end of Suburban You know what? This thing better lose all pressure because if I got conned into doing just an oil change, that's fine. That's fine because business is business and that's how it's done. But if I got conned into doing an oil change, yeah, I'm starting to think you tricked me. I'm on to you buddy I'm on you.

Don't worry next time. next time you thought I was gonna let this slide. that's a negative I used this one because it's more pokier. nice shiny.


97 thoughts on “No oil pressure? filter autopsy. 2004 ls 5.3 suburban”
  1. Avataaar/Circle Created with python_avatars KRTube75 says:

    Very common issue with the 5.3L. mine has 332K Miles and after an oil change I will sit at 40 psi at cold idle. When warmed up, it'll sit at 30 psi hot idle. The gauge is deceiving. It'll look like it's 20 psi because it's about halfway to 40 but it's actually over 30 psi. As the oil gets several thousand miles, the pressure will drop significantly due to it bypassing from a heavily soiled filter. There's actually a tab for low pressure due to people changing the oil without changing the oil filter.

  2. Avataaar/Circle Created with python_avatars Andrew Roman says:

    These early LS motors were notorious for weird low oil pressure complaints. You could also have an internal oil leak. The cam plate is a common one especially with high mileage units. The oil pumps are also pretty crap.

  3. Avataaar/Circle Created with python_avatars cymaz100 says:

    Any advantage in doing an engine wash before adding new oil and filter?

  4. Avataaar/Circle Created with python_avatars PlagueSD says:

    Storing oil in a coffee cup. How much you wanna bet someone is going to get a surprise tomorrow morning when they go to take a sip of their "coffee".. LOL

  5. Avataaar/Circle Created with python_avatars John me says:

    Thank you for an important reminder Ray. A very sad and similar thing happened to a dear friend's sister. The child lived but it crushed his pelvis.

  6. Avataaar/Circle Created with python_avatars Anthony Young says:

    My 4.3 has got better oil pressure than that it runs at 50psi and it's got over 200.000 miles on it.

  7. Avataaar/Circle Created with python_avatars Brad says:

    You need those sheets of paper to put on the floor of the cars.

  8. Avataaar/Circle Created with python_avatars Chris Stephens says:

    Did you torque wheel lugs?

  9. Avataaar/Circle Created with python_avatars Ivan Bradley says:

    HEY ALL YOU GUYS!!! haha

  10. Avataaar/Circle Created with python_avatars Jeff Long says:

    Not long after I met my wife, we got tickets to a Scandal/John Waite concert. (I know, I know! Who the hello is that?! Scandal was Patti Smyth singing "The Warrior and John Waite was with The Baby's in the 70's and went solo in the 80's and hit the charts with "Missing You" in '84). Anyways heh, she insisted we take her 76 Plymouth Duster. Sucker had a steering wheel the size of a NY city transit bus heh. We got a flat on the way so as I'm getting everything out to change the tire she says, " Can I change the tire?" She says, "I know what's involved but I've never done it before and I want to know I can if I'm ever somewhere without help." Torn I was lol. Let a girl change her own flat?! "Sure!" I says. "Just ask any questions you might have. And damned if she didn't change it right there on the side of the road. She wasn't petite but she wasn't far from it. I think I knew right then that I lucked into something special. And I was right.

  11. Avataaar/Circle Created with python_avatars Squash Jones says:

    Get the filter apart take about 10 folds in a rag and squeeze it in the vise.
    Run a magnet across it.

  12. Avataaar/Circle Created with python_avatars NackDSP says:

    Nothing better than this on TV on a Saturday night. Thanks again Ray!

  13. Avataaar/Circle Created with python_avatars David Thatcher says:

    Need to run some BG EPR in there.

  14. Avataaar/Circle Created with python_avatars Jack Jacke says:

    No no! Not my dear! She is wife unit! Get it right!

  15. Avataaar/Circle Created with python_avatars Paladin of Peace says:

    I have a new found like for this channel after seeing his kids and now his wife in the shop with him. Ray has a cool little wifey. Good video 😀😉

  16. Avataaar/Circle Created with python_avatars leakyjeep5.9 says:

    How do you find this shop?

  17. Avataaar/Circle Created with python_avatars DasRenegade says:

    damn thats some low ass miles for a 2004

  18. Avataaar/Circle Created with python_avatars The Direct Dasher says:

    When customers from other locations respect the work you did so much they come directly to you for any other work. That's mad respect.

  19. Avataaar/Circle Created with python_avatars Phill McKrakin says:

    I never understood why folks don't use oem filters. If you buy a dozen from Rockauto they are like $3. each. You can't buy a cheap off brand for that.
    Throw that K&N filter in the trash asap!
    That Suburban is clean. With those low miles I would have a hard time believing there was an oil pressure issue. My 05' had 260k and had great oil pressure. But I used oem filters and changed it every 3-4k miles. I ran it hard, towards the 260k mark she was using 2 qts between oil changes.

  20. Avataaar/Circle Created with python_avatars Ghetto Wagon says:

    The Oil pump pickup tube O ring probably is shot on it. I had this on a 06 5.3. Tapped bad. Now its been ok for about 40k miles Only 113k wow

  21. Avataaar/Circle Created with python_avatars K Campbell says:

    Always a good honest mechanic, hard to find….oB

  22. Avataaar/Circle Created with python_avatars Markus Williams says:

    “NO MORE SCOLDING OIL…” Then the oil said “watch this” lol

  23. Avataaar/Circle Created with python_avatars qwaszxpolkmncvb says:

    Friend did a oil change two days ago. Forgot to put the plug back. Been doing this stuff for 30 years and there's still a first time for anything. Lol

  24. Avataaar/Circle Created with python_avatars Robert Racer says:

    Good stuff.

  25. Avataaar/Circle Created with python_avatars F Huber says:

    That oil seemed awefully thin even for hot oil

  26. Avataaar/Circle Created with python_avatars Ian Mcleod says:

    Another great video from the Rainman Ray.

  27. Avataaar/Circle Created with python_avatars ezra myrick says:

    Hey Ray. My 88 dodge w150 lost oil pressure once because the oil pump pickup was clogged with gunk. Thanks .love the videos

  28. Avataaar/Circle Created with python_avatars David Wellman says:

    Hey Sloth… (Goonies reference, I love it)

  29. Avataaar/Circle Created with python_avatars Christopher Cormier says:

    On my Silverado I use a screwdriver to puncture a hole in the bottom of the oil filter. Less mess.

  30. Avataaar/Circle Created with python_avatars Philip Wilson says:

    2 comments:- 1 in U.K. when we refer to the wife we say the BOSS. / 2 maybe the owner of sed car was so impressed with the hard work done last time they tracked you down to get an honest job done instead of going to another greedy company

  31. Avataaar/Circle Created with python_avatars Michael Mark says:

    Over its life this vehicle has adveraged 26.2 miles per hour.

  32. Avataaar/Circle Created with python_avatars Metal Mike says:

    Warning your new red oil drain is going to make it Rain Motor Oil in your new shop if you go to empty it Great videos Ray

  33. Avataaar/Circle Created with python_avatars Crisis 1837 says:

    Would love a follow up on this…I have an 08 suburban that had no oil pressure light…changed oil…changed sensor….8 months later the warning is back…only comes after about 30 min of driving. Still about 1000 miles till oil change due. Not daily driver.

  34. Avataaar/Circle Created with python_avatars Frank Baber says:

    I like your story on kid safety, I too have a similar story!

  35. Avataaar/Circle Created with python_avatars FAST EDDIE says:

    Man that’s a lot of hours for the miles it has. My work truck has 4900 hours roughly and has 219,000 miles not to mention it has a PTO that gets used quite often.

  36. Avataaar/Circle Created with python_avatars Mitch Carlisle says:

    ……..and people wonder why they have low oil pressure? Use thicker oil folks!!

  37. Avataaar/Circle Created with python_avatars Ceanothus says:

    Read the label on that brake cleaner. Cancer, it's real. Wear gloves.

  38. Avataaar/Circle Created with python_avatars Stephen Jaggers says:

    Does it have 2 batteries in it???