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02-07-2020, 02:12 PM
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#1 | |
 
Drives: ´18 ZL1 A10 Red Hot 😍 Join Date: Jan 2016
Location: Madrid, SPAIN
Posts: 347
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ZL1 oil pressure too high?
Hi,
Can somebody tell me if it´s normal and if no, why I am getting this pressure? ZL1 2018 A10, 10k miles, with Elite Catch Can and Mobil1 0w40, life at 45% . Thank you.
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First ZL1 in Spain (Madrid)! Red Hot, A10, PDR, carbon fiber hood & grounds effects...
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02-07-2020, 03:01 PM
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#2 |
 Drives: 2017 ZL1 A10 Summit White Join Date: Apr 2018
Location: Cumming, Georgia
Posts: 511
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Mine would hit max under wot right before it failed. What's your hot oil pressure at idle?
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02-07-2020, 03:11 PM
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#3 | |
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Drives: ´18 ZL1 A10 Red Hot 😍 Join Date: Jan 2016
Location: Madrid, SPAIN
Posts: 347
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Quote:
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First ZL1 in Spain (Madrid)! Red Hot, A10, PDR, carbon fiber hood & grounds effects...
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02-07-2020, 03:16 PM
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#4 |
         
Drives: '21 ZLE A10 Join Date: May 2012
Location: Mechanicsville, VA
Posts: 6,808
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Mine went to that pressure reading before it failed as well...Watch the gauge the next few times you drive it. Once it settles back to idle, it may go straight to zero.
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'21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60'
'17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold) '15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold) '12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold) |
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02-07-2020, 03:31 PM
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#5 | |
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Drives: 2017 ZL1 A10 Summit White Join Date: Apr 2018
Location: Cumming, Georgia
Posts: 511
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Quote:
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02-07-2020, 07:10 PM
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#6 | ||
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Drives: ´18 ZL1 A10 Red Hot 😍 Join Date: Jan 2016
Location: Madrid, SPAIN
Posts: 347
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Quote:
Quote:
Thank you, I am thinking on changing it preventively as I am in Spain and no Chevy warranty here... thoughts?
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First ZL1 in Spain (Madrid)! Red Hot, A10, PDR, carbon fiber hood & grounds effects...
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02-07-2020, 08:21 PM
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#7 |
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Drives: '21 ZLE A10 Join Date: May 2012
Location: Mechanicsville, VA
Posts: 6,808
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The way yours is acting I have to believe that it is ready to fail just like many here
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'21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60'
'17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold) '15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold) '12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold) |
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02-12-2020, 09:20 AM
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#8 |
 
Drives: 2010 Camaro Join Date: Nov 2009
Location: Denver
Posts: 1,381
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A couple comments, and a few things to look at:
Sending unit failing. Most common. Oil pump pressure relief valve sticking. Also a known issue. Possible pickup issue but rare. The important thin is to watch the pressure closely and as mentioned above, do not run it if it drops to zero!! Good Luck! |
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02-12-2020, 04:43 PM
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#9 |
 
Drives: 2018 Camaro ZL1 Summit White Join Date: Apr 2018
Location: Ketchikan, AK
Posts: 49
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One thing I’ve read up on is running the 0w40 will cause higher pressures at WOT compared to the 5w30, something to keep an eye on for sure.
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02-13-2020, 07:59 PM
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#10 |
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Drives: 2018 Camaro ZL1 Join Date: Aug 2018
Location: Georgia
Posts: 1,368
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I run 5w30 in mine and it does this. As the OP replied to my thread on this issue. It was the technicians response to showing me a GM document on the proper levels for the oil pressures.
If it is failing then keep an eye on it or just go ahead and replace it. Mine still does this and I've gone to a number of auto cross events plus spirited driving from time to time. |
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02-17-2020, 12:49 PM
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#11 |
 Drives: 2020 ZL1 Join Date: Dec 2019
Location: Las Vegas
Posts: 60
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This was posted in the oil pump failure poll but incase you missed it.
“ These conditions may be caused the by the oil pump control valve stuck off and commanding high oil pressures (95 psi) and/or the oil pump face may be damaged. If these conditions are found, the tensioner spring in the timing chain guide may be “short” and not fully seated into the guide pivot end. (Fig. 19) Cycling the oil pump control valve will not cause any changes in the oil pump response. Replace the timing chain tensioner guide.” https://gm-techlink.com/?p=12041 |
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