02-16-2020, 07:56 AM | #1 |
Drives: ZL1 Join Date: Jan 2019
Location: Canada
Posts: 62
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Oil pump failure - Low Oil Pressure Conditions
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02-16-2020, 08:19 AM | #2 |
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,811
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Useful information! Thank you for posting this!
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02-16-2020, 06:09 PM | #3 |
Drives: 2017 ZL1 A10 Summit White Join Date: Apr 2018
Location: Cumming, Georgia
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Very cool. Thank you for this.
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02-16-2020, 07:28 PM | #4 |
Drives: 2018 ZL-1 Join Date: Jan 2018
Location: Albuquerque
Posts: 948
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The timing chain guide spring causes oil pump failure by causing high oil pressure that causes low oil pressure? What am i missing here?
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02-17-2020, 07:56 PM | #5 |
Drives: ´18 ZL1 A10 Red Hot 😍 Join Date: Jan 2016
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Don’t uderstand too...
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02-18-2020, 09:29 AM | #6 |
Drives: 2017 Camaro ZL1 Join Date: Nov 2019
Location: al
Posts: 93
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From what I understand from looking at the post is the tensioner breaks allowing it to rub against the oil pump. The rubbing wears a hole in the pump and the hole causes low/no oil pressure.
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02-18-2020, 09:42 AM | #7 |
Drives: Chevy Camaro Join Date: Jul 2019
Location: Dallas
Posts: 420
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Does this apply to 2019?
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02-18-2020, 10:14 AM | #8 |
Who Needs to KNOW?
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Quality control at it's best.
Applies to: 2016-2019 , 6.2L, V8 - LT1 and LT4
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02-18-2020, 10:35 AM | #9 |
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
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You read and understand the article right projectZL1!! At least some of us did!
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02-18-2020, 11:18 AM | #10 |
Drives: 2018 ZL-1 Join Date: Jan 2018
Location: Albuquerque
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I don't see how a cam chain tensioner can rub a hole in an oil pump that is at the bottom of the sump, maybe 15 inches away.
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02-18-2020, 11:50 AM | #11 |
NOXQCES ZL1
Drives: 2017 Camaro ZL1 Join Date: Mar 2019
Location: Huntsville AL
Posts: 307
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This describes a different failure than the one most often discussed on this forum. The failure plaguing LT4’s doesn’t have anything to do with the timing chain guide.
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02-18-2020, 05:53 PM | #12 |
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,811
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That is a GM Tech link bulletin so they must know what they are talking about!
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02-19-2020, 10:00 AM | #13 |
Drives: ZL1 Join Date: Jan 2019
Location: Canada
Posts: 62
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That's part of the problem
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02-19-2020, 10:26 AM | #14 |
Drives: 2018 ZL1 Camaro 6M Red Hot Join Date: Aug 2013
Location: Cary, NC
Posts: 1,137
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Interesting picture. I see the spring on the tensioner here... But I don't see where it rubbed the oil pump... In fact I don't see the pump at all.
This is an interesting topic, do you have any other pics?
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