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09-28-2009, 12:03 PM
| #1 |
| Junior Member Join Date: Sep 2009
Posts: 6
 | Bad oil pump? I have a 05 Chevy Silverado 2500 HD with 50K miles. I had the oil changed on Saturday and this morning while driving to work the oil pressure went down to zero and the engine started making a "knocking" sound. I had it towed back to the place where they changed the oil and the mechanic there told me that he's 100% sure it's the oil pump. He also said that this is a common problem for these engines and the at he has replaced quite a bit of them. He told me he would have to replace the oil pump and the lifters. Has anybody had an issue with these oil pumps? Is it a common problem? I would appreciate any feedback thanks. |
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09-28-2009, 12:10 PM
| #2 |
| Senior Member  Join Date: Feb 2008 Location: land between the lakes tn
Posts: 1,633
 | what engine , shd |
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09-28-2009, 12:10 PM
| #3 |
| Junior Member Join Date: Sep 2009
Posts: 6
| It's a 6.0 |
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09-28-2009, 12:14 PM
| #4 |
| Senior Member Join Date: Feb 2008 Location: land between the lakes tn
Posts: 1,633
| never herd of bad oil pump on that engine , did you check the oil level before it was towed back , might be trying to cover there own butt . and once it starts knocking it might be a goner shd |
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09-28-2009, 12:18 PM
| #5 |
| Junior Member Join Date: Sep 2009
Posts: 6
| The oil level was fine I checked it before I sent it back. |
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09-28-2009, 12:26 PM
| #6 |
| Senior Member Join Date: Feb 2008 Location: land between the lakes tn
Posts: 1,633
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09-28-2009, 01:14 PM
| #7 |
| Senior Member  Join Date: Jul 2009 Location: Fredericksburg, VA
Posts: 3,876
| What's the warranty situation on the vehicle? I would think that being only 4 years old and with only 50k on the clock the problem might be covered under warranty.
__________________ If the guys who design 'em had to take one home, use it every day for 2 years, and do all the maint and repairs themselves, cars would have a button on the dash to change the oil, filters & plugs. |
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09-28-2009, 01:17 PM
| #8 |
| Senior Member Join Date: Jul 2007
Posts: 4,135
| Only two things I saw related: If oil pressure had been previously observed at a much higher value, then a leaky oil pump pickup screen O-Ring may be leaking. .  |
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09-28-2009, 02:56 PM
| #9 |
| Senior Member  Join Date: Mar 2008 Location: N.Y.
Posts: 4,932
| If it was fine before the oil change then I would suspect something at the shop, just because the oil pump goes bad does not mean the lifters are bad, do you have somewhere else you can take it? for a second opinion? don't you have a 5yr 100,00mi warranty
__________________ 4 wheels move the body 2 wheels move the soul B.W.A.I |
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09-30-2009, 11:17 AM
| #10 |
| Junior Member Join Date: Sep 2009
Posts: 6
| Well I took it to another shop they say it's definitely the oil pump. But there is no way to prove the service shop did anything wrong. |
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