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Thanks for this video. Fixed it!

I have an L96 engine that shows no oil pressure at the sensor. The engine is not making any ticking or knocking noise. I even pulled the sensor out and started it and no oil comes out. I looked down in the hole and there is no screen in there. Any idea what might be the issue?

Hello. I don't know English well, I watched the whole video and I doubt I could understand all the reasons for low (no) oil pressure. Can someone write all the reasons that were said in the video ( better with timecode). Thanks.

I wish i had seen this video earlier, far more informative than the others i found on here when i was searching. I've been chasing a knock for years in an Alloy L98. I'm in Australia so its in a 2007 Holden VE SS commodore. I have spent a lot of time and money replacing everything to no avail. Last week i pulled the engine and stripped it down, found the cam bearings are stuffed, worn but luckily the didn't spin and my oil pressure wasn't catastrophically low.. Anyway its in the machine shop now for new cam bearings and a measure so hoping after all new gear the problem will be solved...The one good thing is, it has a lot of good parts in it now.

Great video and explanation. I really appreciate your thoroughness I have a question about mine you did not cover. On my 2006 LS I have great oil pressure when I start it. I have about 40 PSI then goes down to 8 PSI after 20 minutes. I have replaced the O ring and oil pump. could that also be the cam?

You're the best. You know your stuff and you explain it like a pro. If you had a class I'd be in it everyday.

What oil were they running in that thing lol it looks very clean

And also you're the only one in youtube exoblain, everything nicely very clear, someone sad Oil pump Orring. You are the only one it doing good video about the Oil pressure Issue thank you again

Thank you very much. I got this problem with my suburban 2011. I did oil pump orring.Gasket galley And I I delete 4 cylinder 8 cylinder. Make it. It's cylinder all the time. Of course delete get. What I still have oil pressure, I believe what he said cambering.. Thank you again

Great video, please clean the garage now lmao

the only one video i found that have all the exactly information i need and look for thank you so much of course i subscribe

What year vehicle is this?? ..ty

My tick comes on after warmup. Any ideas? I have good oil pressure.

New subscriber!!! 🔥🔥🔥

We need you to come back to UA-cam sir!!! 🔥🔥🔥💪🏿💪🏿💪🏿

you the man - thank you for making this. excellent work.

Thanks for the info I just pull the oil pan on an05 silverado and I'm going to check if the bering come out of the board

Definitely interesting. I have a 4.8 with 300,000 miles on it that generally has good oil pressure except on very cold days. On very cold days it will have almost zero oil pressure until it gets warm and decides it wants to act normal. I am swapping in a 5.3 aluminum block that I am going over completely. Do you think it will be obvious what the problem is when it is apart? Pressure relief sounds like a good theory. Maybe o ring shrinks in the cold. I am not sure I care really, but I want to take all precautions with the new engine to prevent this re-occurring. Also, is there anything that can be used to supplement the O-Ring on the pickup? Would silicone be worthwhile? JBweld?

Hello my engine when it warms up and about 30 min the engine starts to lose oil pressure slowly after about 60 minutes I have to turn off the engine because then the oil pressure becomes critically low, but when the engine cools down I get the oil pressure back or when I accelerate in neutral gear the oil pressure comes back at high rpm, I wonder if it could be the oil pump or motors worn in the cam bearings? to give more info the engine is not leaking oil and the pressure on the cylinders is quite good, the engine temperature is also good

Hello my engine when it warms up and about 30 min the engine starts to lose oil pressure slowly after about 60 minutes I have to turn off the engine because then the oil pressure becomes critically low, but when the engine cools down I get the oil pressure back or when I accelerate in neutral gear the oil pressure comes back at high rpm, I wonder if it could be the oil pump or motors worn in the cam bearings? to give more info the engine is not leaking oil and the pressure on the cylinders is quite good, the engine temperature is also good

Where are you located

I have a 2013 sierra that slowly drops to 10psi oil pressure as it warms up, i had a melling oil pump installed and still does it. Any recommendations??

my main issue on this assembly - the rocker piece (yellow) was getting stuck on the other side of the circuit board. Filled the gap with some gorilla tape so it could still rock and not get caught. Fixed! Your disassembling definitely helped the process go a lot smoother.

My ls2 makes a knocking sound only during cold starts and goes away after a minute when it warms up

What harness is that

I had an Arriva growing up. We put a corvette engine and an above water exhaust in sounded like a monster LOL

Does the 4853 blox have the same cam bearing problems to your knowledge? Particularly 08?

😂😂😂 guess v8 is the only motor u can run on 7 c

You were very helpful thank you for sharing your expertise!

Best LS Oil Pressure Video out there!

Great video. Ill be looking at some of the areas and hoping it a simple o-ring fix. Cranks up and is a 24psi on cold start then drops to 15psi after being warmed up. Drives fine no noise. After a long drive start hearing lifter noises and the idle gets rough. Hoping i dont have to replace the engine.

That tig work just pretty 😍 ls platform go down in history. But the plaid probably drove to and from track 😂

i am at this stage with a 2013 AFM DOD lt silverado and just found the #4 intake lifter collapsed and inspected the cam and saw 'spalling' on it the lifter roller itself is just collapsed solid with the beginning of drag spalling on the roller so <eye roll> 123k miles but at 100k i was getting random 1-3 times a year stabil track auto disabling and had no idea why. when you get stabil track and traction control disabling, your about to lose oil pressure within 10-300 miles. i had a 2000 silverado also that had lifter noise on warm up, now i know why the original owner took it to the dealership and traded it in, i bet he took it to service first and heard the price tag on the repair and just decided the trade in value was better on a new truck. i still have that truck bought it with 113k and it's got 320k on it, but at 280k it was getting misfires and the lifter noise was alot more constant, but i knew nothing and just changed the oil which came out fine but started to get black before 3k miles. lucas high mileage synthetic helped it with the lifter tick since 150k when i first decided to see if that would help which it did considerably. idr why but the synthetics are just more slippery and for longer than conventional and keep the oil golden for longer. now i know what it means after watching a few of these afm dod issue videos, that's the first sign you have a lifter beginning failure the stabil trak warnings. normally i shut that stuff off when i start up in the winter because i'm a snow plow driver and i know how to drive in snow better than those woman driver aids can help, which actually interferes with compensating in snow and ice. but they are great for woman drivers because the feedback will scare the living hell out of them and make them slow down keeping them out of the ditch mostly. i drive like an old grandpa or F1 driver kimi riakkonen depending upon the traffic.

I had the same problem,on number 7 cylinder, I taking everything apart.the lifters worm down and cam.I tell everyone having this issue, please replace cam , lifters,time chain and oil pump,Mt truck is 2008 Silverado 4.8 with 250000 miles.Im back rolling now these are some good engine .16 years I had my truck

I had the same problem,on number 7 cylinder, I taking everything apart.the lifters worm down and cam.I tell everyone having this issue, please replace cam , lifters,time chain and oil pump,Mt truck is 2008 Silverado 4.8 will 250000 miles.Im back rolling now

Thank you for the video 😊

Comical and informative all at the same time. Thank you so much for making this video. It really helps a lot to know what you're heading into before you head into it.

Do you notice any piston slap with 2618 pistons on cold starts? I want to do something similar on my 3v supercharged with a Paxton blower. Need help in deciding on 2618 or 4032 forgings? Thanks

Do not lap titanium valves

an 8 sec ext cab.. badass

I have a 03 Silverado 2500 6.0 and it’s only got 150k on it and it’s always at 25psi hot or cold idle. No matter how hard you hit the gas it barely climbs past 40. When cruising around it’s like 30-35psi fluctuating slowly.

Man your content is great…. lol I’m selling all my LS vehicles and going Toyota for my daily s ….

The best most informative video on utub about oil pressure issues,and man i have watched a LOT of them while trying to figure out my issue on 5.3silverado.. THANK YOU!!

I have a question about the priming of the pump. Will this type of (gear pump) pull oil up the pickup tube on its own? I have an 8.1L (496cu.in.) Vortec in a 2001 Silverado Dually. Some idiot tried sabotaging the engine by stabbing the oil filter. Before putting the new oil and filter on, I took the drain plug out to drain any old oil. Nothing came out. Also, I should have mentioned how I found the issue. I was backing the truck up after being parked for a couple of days. Then the chime went off rapidly warning me and I immediately saw the information display lit up red saying severe oil pressure loss and low oil level. I immediately shut the engine off and coasted it about 15 feet back to where it was parked. I filled the new filter with clean synthetic oil and filled the engine with the 7-something quarts it normally holds. I got the thinking that maybe the pump will not create a suction to draw oil up into the pump. I have seen several videos using a garden sprayer pump to prime the pump and the entire oil system. The port that they use is the one on the drivers side front of the block. Well, that's easy when you have a block on an engine stand. So, I found a plug at the back of the block that appears to be in line with the front plug. It's near the filter. It has a square hole for a four-sided bit to go into. It is a square 8 mm bit that fits it. This plug is stuck in the block hard. It's in a hard-to-reach place with an exhaust manifold connection right where you need to put your ratchet/breaker bar. So, the other idea is, I decided to go through the oil pressure sensor port. Then, more thinking I did! 🤔 😂 Will pressurized oil get down towards the pump from this port? I think the "barbell-dogbone" may prevent oil from going in that direction. I think it keeps the oil in the upper half of the engine from running back into the pan each time you shut off the engine. That would mean that my idea of priming through the sending unit port is not going to work. I did take all the spark plugs out and I cranked it over watching the oil pressure gauge and didn't see it come up. I may not have done it long enough. A video with a guy from GM says it takes a while and even tells you to let the starter cool off in between. I drained about 3 quarts of oil to allow for pressuring it with the garden sprayer and I noticed that the oil is fairly dark and it's making me think that it was pumping oil during the cranking. I think what I am going to do next like right now! Is unscrew the new filter that was filled with new oil and dump it into the clear plastic tote thing I used, and see if the oil is dark at all like it's mixed with residual oil in the engine. If it's anything but clear clean oil then it's pumping and hopefully, when I start it, everything should be good. I'm long-winded too! 😂 Maybe you can suggest or tell me if the pump had enough residual oil or if the block would have enough to run back into the pump to be able to draw it through the pickup tube. It never made any engine noise like lifters. I shut it down immediately when the loss of pressure happened. I'm positive it didn't do damage and the truck wasn't under power other than idling in reverse. Great video and I learned a bit about the ports/plugs for the oil system through your video. I think the engine you have in the video has a little different plugs around the oil filter area but I guess the systems are the same as far as the routing through the block. Thanks again for your great video! 👍👍👍

Man you are a awesome teacher... Thank you !!!!

Man great video just found your channel love that u x plain what happened and why I got 04 GMC Sierra 5.3 alarm light come the dash an stay on don't affect the driven afraid it's not going to let it crank one day is there a way to reset r something don't want to disable it thanks. Got a new subscribe here bro✌️🦐

Just get a dial indicator and measure the lift vs a known good cylinder barring the engine over by hand no need to remove the rockers and do all that

excellent video.

Mine has a noise like forged piston slap with a very minor squeek... the noise sometimes comes and goes which is very strange and my oil pressure sometimes drops below 15psi when you're idling but at 2000 RPM comes right back up to 45...

What state do you live in? I want you to rebuilt my engine