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BeckyD @ James Martin Chevy


View Poll Results: Who has experienced an oil pump failure?
2016 or earlier 20 13.79%
2017 53 36.55%
2018 67 46.21%
2019 2 1.38%
2020 2 1.38%
2021 1 0.69%
Voters: 145. You may not vote on this poll

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Old 05-11-2021, 11:46 AM   #757
ZX-10R

 
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I wonder if part of the problem is owners getting on the throttle too early before the oil is warmed up. This has been a contributor to problems on several other (M and P) cars.

When I see idiots jump in their car and floor it out of the driveway/parking lot I always cringe. Worst thing you can do for your engine.
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Old 05-11-2021, 01:37 PM   #758
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Maybe if on 15W50 oil.. but on 5W30, nah, that unlikely failure mechanism.
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Old 05-13-2021, 05:32 PM   #759
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Is there a TSB for this issue?
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Old 05-15-2021, 10:04 AM   #760
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I bought a 2019 with a Dec. 2018 build date. I am hoping I have the updated pump. THere were changes made at some point. My sources tell me this was an early issue and changes were made some addition chamfering on some parts etc.
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Old 05-15-2021, 02:59 PM   #761
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Quote:
Originally Posted by ZX-10R View Post
I wonder if part of the problem is owners getting on the throttle too early before the oil is warmed up. This has been a contributor to problems on several other (M and P) cars.

When I see idiots jump in their car and floor it out of the driveway/parking lot I always cringe. Worst thing you can do for your engine.
I agree this can be a reason in some cases. Oil pressure is also higher during warm-up cycle. A recipe for disaster!!
My car has 110'000km on it and this is my first mechanical problem (except for the shudder issue which was fixed with the triple flush).
I also noticed that very few SS models are having the problem. I believe the increased pressures with a supercharger are the determining factor - mine has the Magnuson 2300.
Just last week, my mechanic dropped the pan, installed the Katech pump (blue label). It's great to see oil pressure at around 33 psi again at idle. However, now I find oil pressure increases very rapidly and maybe too much - not sure... I was testing the car out today and oil pressure climbed to 73psi at 4500rpm. I sent Katech some logs and they indicate all is normal. I wonder if anybody else is getting higher than normal oil pressure with the Katech blue label (oem version)??
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Old 05-15-2021, 11:52 PM   #762
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I think that's normal for the Katech pump. This link is for the red label (dry sump) pump but should be analogous

https://gmauthority.com/blog/2019/05...engines-video/
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Old 05-16-2021, 05:33 AM   #763
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Quote:
Originally Posted by ZX-10R View Post
I think that's normal for the Katech pump. This link is for the red label (dry sump) pump but should be analogous

https://gmauthority.com/blog/2019/05...engines-video/
Man..., I hope you're right. It's certainly true that the provided link identically matches my oil pressure numbers. My only concern is that on the Katech website, they indicate that the blue label wet sump version retains OEM oil pressure. Maybe I'm just overthinking it.

Another scenario, katech mixed parts from the scavenger red version and placed into the OEM version I purchased.
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Old 05-19-2021, 04:47 PM   #764
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Well shooooooot. I was aware of this thread but just kind of chalked it up to internet talk. I swear the same talk was going on in 1998 after I had just bought a 98. LS1Tech said oil pumps were taking a shit left and right. I never had an issue with my 4th gen, still running the same pump.

I told myself I wouldn't worry about my 2018 until it was time to worry.

About a month ago, while driving my oil pressure went to 0 pretty much instantaneously. Shut it down, had it towed home, troubleshot a few things, and thinking it was out of warranty, figured I'd get to it between 100hr work weeks.

Meh, finally got it to the dealership earlier today and they are going to replace the pump

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Old 05-19-2021, 06:32 PM   #765
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my 2019 has the new pump already
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Old 05-19-2021, 06:41 PM   #766
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Quote:
Originally Posted by Katech_Mike View Post
As far as I can tell the "new design" isn't any stronger. I'm going to make a video at some point in the next week or 2 showing why these pumps fail.
This is what should have '19+ owners nervous
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Old 05-30-2021, 12:09 PM   #767
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I posted this in another thread as well, but just a thought that might be useful for anyone with the oil pump issue in the future. Can someone accurately list the part numbers needed for replacing the oil pump? Just in case the rest of us ever need this information...
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Old 06-13-2021, 08:36 PM   #768
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I've been watching this since I got my car. I recently traded in for another car and this car has a production date of 8/17. The car had 11K miles on it. What is the highest mileage this thread has seen for an oil pump? Just looking at some post, it seems that it fails early on the car's life. Anyway, just trying to see what to look forward to
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Old 06-17-2021, 06:32 PM   #769
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Pump failed last weekend at the track, was able to get it off without harm.
It's a 9/2017 build, 5100 miles, cruise nights and track days.
Several oil changes, typically run Mobil 1 15W50, had the newer Mobil 0W40 put in this time.
PDR data showed typically running 61-64 PSI when on track, end of last session it spiked to 89, then went to zero.
Hoping no damage to the internals, time will tell.
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Old 06-17-2021, 10:21 PM   #770
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Quote:
Originally Posted by Wuiquen View Post
I've been watching this since I got my car. I recently traded in for another car and this car has a production date of 8/17. The car had 11K miles on it. What is the highest mileage this thread has seen for an oil pump? Just looking at some post, it seems that it fails early on the car's life. Anyway, just trying to see what to look forward to
I'm very curious about this as well. I'm looking for a ZL1 and trying to stay at 2018 or later to better my chances. Down side is 50/50 chance of it having warranty. While I still prefer the 17-18 tails, unless I come across a decent deal on a 19-up, I definitely will opt for an extended warranty unless the pump has already been replaced.
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