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Oil Pump failure

PowerMax

By PowerMax
in Troubleshooting & Recalls

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RTDENALI New Member

RTDENALI

Posted
Posted

Thanks, Yeah I figured there were some sort of disclaimer enabling GM to get away with not having to cover the repair.

 

I will let you know how it goes.

  • 9 months later...
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redwngr
redwngr

Looks like one truck per year.

KUUG
KUUG

Anyone on here get this resolved?   I took mine in last week, 2014 5.3 with 73,XXX miles. Had a light come on and they said it was a couple other things and then ended up finding out it was in fact

pickmeup
pickmeup

Any tell tale signs of vacuum pump failure or is it just no signs and just sudden failure .

SierraHD17 Senior Enthusiast

SierraHD17

Posted
Posted (edited)

A friend of mine was a tech at a GM dealer for quite a few years until in the last 6 months or so he switched to Dodge because of a better offer and better management.  None the less when he was at GM he sent me a pic of an oil pump from a 2014 5.3.  The vein in the pump as well as the outer ring were both cracked..... said it was pretty common and they were doing one or two trucks a week for quite some time.  Not my cup of tea lol.  

Edited by SierraHD17
WranglerMike Enthusiast

WranglerMike

Posted
Posted

I dont know why on earth they would change from the old style pump in the pan.Its proven to work leave it.

Thanks for the insight!

Good to know

  • 3 weeks later...
WranglerMike Enthusiast

WranglerMike

Posted
Posted

G.M Is now installing a new engine.They were going to just do crank, bearings and oil pump but apparently found more damaged parts.

  • 2 months later...
Winkie7494 New Member

Winkie7494

Posted
Posted

I'm a tech at a gm dealership. I personally have done 20+ oil pumps on 5.3 and 6.2 ecotec3 v8's. Starts out as a powersteering pump type noise, then gets louder until they catastrophically fail. Poor design, outer race in the pump that the veins ride on has a thin spot where it pivots on a pin. Race cracks and the veins hit the ridge. I've seen pumps fail as early as 7k miles. There is a tab for the issue. Sometimes it will set code p06DD for oil pressure control solenoid. 

  • Like 1
  • 6 months later...
Bob Art New Member

Bob Art

Posted
Posted (edited)

Yes! 2015 Silverado 5.3L, for about a week now, the truck had a whining noise like the old GM power steering pumps. I have been monitoring the transmission fluid temps, and oil pressure on a constant basis. About a mile from the house warning lights came on that said no oil pressure, and watched the oil pressure gauge go from high to 0. I shut her off immediately, the dealer out of Antioch sent a wrecker down to bring her back to the shop. Thank the lord we purchased extended coverage, currently 46k miles.  I’ll keep everyone posted next week.

 

UPDATE: our pump did fail, I asked the service person if they had any other complaints, she responded yes, there is a 2016 out there that has the same whining noise, and GM will not let them replace until it fails. I must say we did get excellent service, and the free use of. 19 z71 Silverado that we fell in love with.

Edited by Bob Art
Update
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Carmen Tibaldi New Member

Carmen Tibaldi

Posted
Posted
On 8/6/2018 at 6:57 PM, Winkie7494 said:

I'm a tech at a gm dealership. I personally have done 20+ oil pumps on 5.3 and 6.2 ecotec3 v8's. Starts out as a powersteering pump type noise, then gets louder until they catastrophically fail. Poor design, outer race in the pump that the veins ride on has a thin spot where it pivots on a pin. Race cracks and the veins hit the ridge. I've seen pumps fail as early as 7k miles. There is a tab for the issue. Sometimes it will set code p06DD for oil pressure control solenoid. 

My 2018 Silverado 5.3 just had a oil pump failure with 12000 miles. What tab are you referring to?

Figs95 Enthusiast

Figs95

Posted
Posted

So I just had my oil pump repaired by way of a new motor. After they fixed it they called me and told me I have 2 bad injectors caused by this issue. The motor was covered under warranty but they are telling the injectors are coming out of pocket. Shouldn't the failure of the engine cover this issue? Also how does a truck that never threw a code have 2 bad injectors right after they replace the motor. Does this sound fishy to anyone else?

KARNUT Senior Enthusiast

KARNUT

Posted
Posted

So they replaced the motor and used the old injectors? If yours was rebuilt I tell to check the codes. There wasn’t an injection problem until you messed with it.


Sent from my iPhone using Tapatalk

Figs95 Enthusiast

Figs95

Posted
Posted
37 minutes ago, KARNUT said:

So they replaced the motor and used the old injectors? If yours was rebuilt I tell to check the codes. There wasn’t an injection problem until you messed with it.


Sent from my iPhone using Tapatalk

Yep pretty much. Waiting on them to open this morning pretty much what I am going to say. Being as polite and respectful as possible.

  • Like 1
WranglerMike Enthusiast

WranglerMike

Posted
Posted

My oil pump went on my 2014 with a  4.3.GM installed new engine and when I got it back it had a code saying injector issue.Sent it in for them to look at and when they told me it was gonna be on me I told them forget it.Brought it home ran 2 bottles of sea foam through 2 full tanks of fuel and havent had the code or any issues yet.That was 20,000 klms ago.

Figs95 Enthusiast

Figs95

Posted
Posted

Well to close my part of this thread, summary GMC Excutive Customer service told me I was not a priority customer and they would not be assisting or covering in the repair. (First time purchase of a truck and probably gonna look else where for my next one) Long story short pay to fix this or remove it from the shop. This is just after close to month of my truck in the shop. They did cover the motor and the labor for that but the injectors are not covered. Well good luck out there with them.

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