Freaking oil pump problem... again...
Thread Starter
Drifting
Joined: Oct 1999
Posts: 1,405
Likes: 0
From: Daly City, CA
Freaking oil pump problem... again...
I started my car this morning and I noticed that something is not right from the sound of it, so I thought it is cold and I went back home and let it worm up for a bit. After 5-10 minutes after a quick breakfast I have come back ready to drive to work and what the heck the sound got worse. I looked at the gages and became speechless. The freaking oil pressure was 0 (I have had this problem before but supposedly dealer fixed it for me, well guess not). So I called dealer and they picked up my car, I must say pretty quickly I only waited 15 minutes for the tow track. Anyway after mechanic started the car and heard that noise he said that two things are wrong 1 Oil pump and 2 he does not know for sure but something could have been damaged in the engine from running without oil. Hence he will be taking apart my engine at least to some part of visibility of what could have gone wrong if any.
Do you have any idias what could go wrong from runing up to 10 minutes without oil?
Thanks!
Do you have any idias what could go wrong from runing up to 10 minutes without oil?
Thanks!
Melting Slicks
Joined: Feb 2001
Posts: 3,360
Likes: 1
From: DFW TX
Senior Member
Cruise-In III Veteran
Cruise-In IV Veteran
Re: Freaking oil pump problem... again... (SFYellow)
The engine has hydraulic lifters and cam - without they wear out much faster. Besides that lack of oil pressure could easily cause you to spin a bearing or other bottom end problems. My solutions was to install an ARE modified LS6 oil pump. Plenty of oil pressure now!
-Jeremy
-Jeremy
Drifting
Joined: Oct 1999
Posts: 1,576
Likes: 0
From: Austin TX
Re: Freaking oil pump problem... again... (vetterdstr)
The oil pump pressure relief valve is most likely stuck open. Do a search, and you should find quite a few others that had the same problem.
Mine was bad enough to warrant a replacement engine. Total time running w/out pressure for me was a matter of minutes, so make sure they check the engine out. If there's damage down low, there is most definitely up top.
F
Mine was bad enough to warrant a replacement engine. Total time running w/out pressure for me was a matter of minutes, so make sure they check the engine out. If there's damage down low, there is most definitely up top.
F
Racer
Joined: May 2000
Posts: 318
Likes: 0
From: Newhall CA
Re: Freaking oil pump problem... again... (SFYellow)
SFYellow
In 2000 some had a bad run of oil pumps. The clearances were not correct. This time make sure that they replace the oil pump with the new part number.
I would send the new pump to ARE, if I was you, to get them to blueprint it for you. Of course there would be a waranty consideration here however that is what i did for my engine.
Mell
In 2000 some had a bad run of oil pumps. The clearances were not correct. This time make sure that they replace the oil pump with the new part number.
I would send the new pump to ARE, if I was you, to get them to blueprint it for you. Of course there would be a waranty consideration here however that is what i did for my engine.
Mell
Racer
Joined: May 2001
Posts: 304
Likes: 0
From: Dahlgren VA
Cruise-In III Veteran
Cruise-In IV Veteran
Cruise-In V Veteran
Cruise-In VI Veteran
Cruise-In VII Veteran
Re: Freaking oil pump problem... again... (SFYellow)
Yikes, I hope all goes well on this one. Did you check the gauges when you first started it? You need to get you story straight on this one with the dealer. Good luck!
Team Owner
Joined: Jun 1999
Posts: 41,793
Likes: 153
From: Houston,Texas USA
Re: Freaking oil pump problem... again... (SFYellow)
I hate to hear about your loss of oil pressure. I hope your dealer will replace your engine, instead of repairing the oil starved one. Good luck.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Thread Starter
Drifting
Joined: Oct 1999
Posts: 1,405
Likes: 0
From: Daly City, CA
Re: Freaking oil pump problem... again... (vetterdstr)
Well I just talked to my dealer and he said that they will change the oil pump (he actually mentioned some part number), and that engine should be ok, but he will be able to tell for sure sometime tomorrow after they put oil pump together.
vetterdstr, I see that you are all ready for the Saturday, you even mounted camera already :). Well too bad for :(me but hopefully next time or who knows if my dealer will give me a go tomorrow then I can still make it.
vetterdstr, I see that you are all ready for the Saturday, you even mounted camera already :). Well too bad for :(me but hopefully next time or who knows if my dealer will give me a go tomorrow then I can still make it.
Racer
Joined: May 2000
Posts: 318
Likes: 0
From: Newhall CA
Re: Freaking oil pump problem... again... (SFYellow)
SFYellow
"I started my car this morning and I noticed that something is not right from the sound of it, so I thought it is cold and I went back home and let it worm up for a bit. After 5-10 minutes after a quick breakfast I have come back ready to drive to work and what the heck the sound got worse."
From what you say here, I would make them give me a new engine! No oil presure for 10 minutes is just plain scarry. :eek:
Mell
"I started my car this morning and I noticed that something is not right from the sound of it, so I thought it is cold and I went back home and let it worm up for a bit. After 5-10 minutes after a quick breakfast I have come back ready to drive to work and what the heck the sound got worse."
From what you say here, I would make them give me a new engine! No oil presure for 10 minutes is just plain scarry. :eek:
Mell
Team Owner
Joined: Sep 2000
Posts: 25,015
Likes: 2,709
From: Far NW 'burbs of Chicago
St. Jude Donor '13
Re: Freaking oil pump problem... again... (Mell)
Supercharged has a good point about the "Check Gauges" light. Also, I read somewhere that the engine was supposed to shut itself off if oil pressure drops below 2 psi.
Drifting
Joined: Oct 1999
Posts: 1,576
Likes: 0
From: Austin TX
Re: Freaking oil pump problem... again... (David Lively)
We went through this same dialogue when my pump when bad this last summer.
Will the engine shut itself down with zero pressure, yes.
Will the check gauges warning come on in the HUD as well as the panel, yes. It will because your gauge is reading at ZERO.
Is there probably a 'little' oil pressure in there? yes.
BUT, until you experience this, the NOISE your engine is making as the lifters pop along without any oil, can you understand what is going on. If the engine is making NOISE, then something is wrong and there is probably damage. If he says the engine was making noise, then there is a problem.
Demand that they, at a minimum, pull some caps and look at the main bearings and journals. Mine were trashed. And, if there is damage down there, then there is damage up top. A good tech should do this during the pump swap, but make sure you specify.
I feel your pain. It took a lot of leverage from a lot of really good members here to get my issue resolved to my satisfaction.
F
Will the engine shut itself down with zero pressure, yes.
Will the check gauges warning come on in the HUD as well as the panel, yes. It will because your gauge is reading at ZERO.
Is there probably a 'little' oil pressure in there? yes.
BUT, until you experience this, the NOISE your engine is making as the lifters pop along without any oil, can you understand what is going on. If the engine is making NOISE, then something is wrong and there is probably damage. If he says the engine was making noise, then there is a problem.
Demand that they, at a minimum, pull some caps and look at the main bearings and journals. Mine were trashed. And, if there is damage down there, then there is damage up top. A good tech should do this during the pump swap, but make sure you specify.
I feel your pain. It took a lot of leverage from a lot of really good members here to get my issue resolved to my satisfaction.
F
Thread Starter
Drifting
Joined: Oct 1999
Posts: 1,405
Likes: 0
From: Daly City, CA
Re: Freaking oil pump problem... again... (Flintstone)
Well, to be honest I did not noticed any gages warnings when I started the car, so I am not sure if the oil pressure was 0 at the begining or was it just low oil presure and then droped to 0? Though my dealer told me that they will open engine and that they will look for problems there. They supposed to start workingn on my car today so maybe by the end of tomorrow I will know some info if it is ok or not.
Instructor
Joined: Jan 2001
Posts: 100
Likes: 0
From: Fort Lauderdale, FL
Re: Freaking oil pump problem... again... (SFYellow)
I had the same problem on a 2K. Oil press. went to zero during cruise. DIC gave a NO OIL PRESSURE message but did not shut down, then got HIGH OIL TEMP., then REDUCE ENGINE RPM. Dealer installed new oil pump and returned to me but the pressure was way low (internal damage) Drove back in and the motor literally locked up while pulling into dealership and rolled up to the service writer. Got a new crate motor in 8 days.
I was told that the orig. problem on the pump was not the check / relief valve but that it actually froze mechanically. The motor sounded like it was ready for hospice upon return, the damage was already done. It was one terminally ill LS1.
I was told that the orig. problem on the pump was not the check / relief valve but that it actually froze mechanically. The motor sounded like it was ready for hospice upon return, the damage was already done. It was one terminally ill LS1.
Le Mans Master
Joined: Apr 2001
Posts: 5,331
Likes: 39
Re: Freaking oil pump problem... again... (HeliPilot)
I had the same problem with the "no oil pressure" at start up.
Oil pressure relief valve was stuck open with red loctite from the factory (or where ever they build the engines).
Because the dealer took 3 attemps to fix (even though we were telling them oil pump) I needed a complete rebuild. My #8 main was bad. The #8 is the furthers upstream from the oil pump.
If they aren't going to disassemble the engine to check the bearings, have them pull the oil pans to check for burnt oil.
If they do disassemble have them check the piston to cylinder wall clearance. Some engines got small pistons and cause oil consumtion and piston slap.
GM replaced my rings & pistons because my p/c was double the tollerance.
[Modified by Gary2KC5, 4:50 PM 1/24/2002]
Oil pressure relief valve was stuck open with red loctite from the factory (or where ever they build the engines).
Because the dealer took 3 attemps to fix (even though we were telling them oil pump) I needed a complete rebuild. My #8 main was bad. The #8 is the furthers upstream from the oil pump.
If they aren't going to disassemble the engine to check the bearings, have them pull the oil pans to check for burnt oil.
If they do disassemble have them check the piston to cylinder wall clearance. Some engines got small pistons and cause oil consumtion and piston slap.
GM replaced my rings & pistons because my p/c was double the tollerance.
[Modified by Gary2KC5, 4:50 PM 1/24/2002]
