Losing Coolant - 4x to dealer - still no answers - angry - Page 2

DaveC113 · 10-06-2021, 01:45 PM

Just had this issue with my car ('18 SLE). It passed tests, etc. twice, brought it to another dealer and they found the leak, it was the water pump.

Good luck, sometimes it takes a few tries to find these issues. Mine was a VERY slow leak, but you could at times smell coolant when the car was hot and been driven hard.

Metal_AF · 10-06-2021, 02:15 PM

Quote:

Originally Posted by clg82

Get GM involved, and explain to them the situation. From what I’ve gathered their pretty responsive when a dealer isn’t holding up their end of the bargain. Or you could try a new dealer, no biggie, maybe they have someone more knowledgeable in diagnosing this particular issues.

+1 for trying a different dealer.

avalonandl · 10-07-2021, 10:57 AM

Check the oilcooler pipe under the pan also....it rubber and has been known to tear

LT4Greg · 10-07-2021, 11:38 AM

I’m wondering if that’s the reason the original owner got rid of the car.

TheArmedAccountant · 12-10-2021, 05:28 PM

Update to this - GM Finally got a Field Services engineer out - they diagnosed that under RPM load the coolant system was going over normal pressure limits. Field Services engineer recommended that both head gaskets be replaced so the dealer is performing that in the next few weeks.

Also it was verified this cars engine was replaced before I bought it.

KILLA BEE · 12-12-2021, 11:21 AM

What happen to the if you take your car back multiple times for the same unresolved issue you can get a new one. Lemon law

arpad_m · 12-12-2021, 01:30 PM

Quote:

Originally Posted by KILLA BEE

What happen to the if you take your car back multiple times for the same unresolved issue you can get a new one. Lemon law

As far as I know, lemon law only applies to the original owner.

TXCSSU · 12-12-2021, 04:15 PM

One of these things would come in handy if you have access to one.

HD_ZLE · 12-13-2021, 11:02 AM

Try and look on the backside of the waterpump pulley. Been known to weep some coolant there. It's really hard to see, but you'll likely catch a glimpse of some pink goo.

good luck

TheArmedAccountant · 12-15-2021, 08:19 PM

Quote:

Originally Posted by HD_ZLE

Try and look on the backside of the waterpump pulley. Been known to weep some coolant there. It's really hard to see, but you'll likely catch a glimpse of some pink goo.

good luck

That was one of the first things we looked at and water pump was fine.

TheArmedAccountant · 12-15-2021, 08:20 PM

Quote:

Originally Posted by TXCSSU

One of these things would come in handy if you have access to one.

I actually have a thermal rifle scope with a HD microbolometer - never even thought of this. Will have to scope it out when it comes back.

Tara Martin · 12-17-2021, 01:38 PM

Quote:

Originally Posted by TheArmedAccountant

Update to this - GM Finally got a Field Services engineer out - they diagnosed that under RPM load the coolant system was going over normal pressure limits. Field Services engineer recommended that both head gaskets be replaced so the dealer is performing that in the next few weeks.

Also it was verified this cars engine was replaced before I bought it.

Good luck; I hope that's the problem!

Tara

TXCSSU · 12-17-2021, 02:17 PM

Quote:

Originally Posted by TheArmedAccountant

I actually have a thermal rifle scope with a HD microbolometer - never even thought of this. Will have to scope it out when it comes back.

Just make sure you don't have it mounted on the rifle, and if you do, leave the safety on or you'll have all sorts of leaks.

TheArmedAccountant · 01-17-2022, 12:04 AM

So both head gaskets have been replaced. Picked it up and drove it about 100 miles this weekend. Coolant smell is still present and I’ll check the cold coolant level in the AM but pretty sure it’s still losing it at about the same rate. However, something presented itself that makes me think it’s the heater core. I noticed the windshield had developed a thin white film on it. Thought it was just grime and dirt. Used some windex to clean the windshield and out of curiosity smelled the rag, it reeked of coolant. I made sure it wasn’t the windex by just spraying some on a cloth and taking a sniff but it’s def a coolant smell. With that said heater core a likely culprit?

10-06-2021, 01:45 PM	#15
DaveC113 Drives: 2018 Camaro 1SS 1LE Join Date: Sep 2018 Location: Front Range, CO Posts: 2,204	Just had this issue with my car ('18 SLE). It passed tests, etc. twice, brought it to another dealer and they found the leak, it was the water pump. Good luck, sometimes it takes a few tries to find these issues. Mine was a VERY slow leak, but you could at times smell coolant when the car was hot and been driven hard. __________________

10-07-2021, 10:57 AM	#17
avalonandl Drives: 2019 ZL-1 Join Date: Feb 2009 Location: Troy, MI & Naples, FL Posts: 2,018	Check the oilcooler pipe under the pan also....it rubber and has been known to tear __________________ 2019 ZL-1 Acquired 4/23/21 at 6300 miles. Riverside Blue, A10, PDR. Traded in 2017 2SS with 6M and 32k miles. Continental Extreme Contact Sports. Now has 10,000 miles... 2012 Yukon XL Denali w/ 6.2 AWD

10-07-2021, 11:38 AM	#18
LT4Greg Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016 Location: Georgia Posts: 5,869	I’m wondering if that’s the reason the original owner got rid of the car. __________________ ZL1 Coupe, PDR, Exposed carbon fiber hood insert, My Link with Nav, M6 6 speed and Silver Ice Metallic. Mods done: ceramic window tint, GM Accessories Camaro floor mats and Roto-Fab CAI.

12-12-2021, 11:21 AM	#20
KILLA BEE Black lightning Drives: 2021 ZL1 1LE A10 Join Date: Mar 2013 Location: Nottingham Md Posts: 1,997 View My Garage	What happen to the if you take your car back multiple times for the same unresolved issue you can get a new one. Lemon law __________________ [ 2021 Camaro ZLE 10 speed

12-13-2021, 11:02 AM	#23
HD_ZLE Drives: 2020 ZLE Join Date: Aug 2021 Location: Austin, TX Posts: 67	Try and look on the backside of the waterpump pulley. Been known to weep some coolant there. It's really hard to see, but you'll likely catch a glimpse of some pink goo. good luck __________________ 2020 ZLE A10 Rotofab, SPL suspension goods, Cobalt XR1 pads, Apex wheels

12-10-2021, 05:28 PM	#19
TheArmedAccountant Drives: Hyper BLue Zl1 1LE & Can Am X3 Join Date: Mar 2021 Location: Seattle, WA Posts: 35	Update to this - GM Finally got a Field Services engineer out - they diagnosed that under RPM load the coolant system was going over normal pressure limits. Field Services engineer recommended that both head gaskets be replaced so the dealer is performing that in the next few weeks. Also it was verified this cars engine was replaced before I bought it.

01-17-2022, 12:04 AM	#28
TheArmedAccountant Drives: Hyper BLue Zl1 1LE & Can Am X3 Join Date: Mar 2021 Location: Seattle, WA Posts: 35	So both head gaskets have been replaced. Picked it up and drove it about 100 miles this weekend. Coolant smell is still present and I’ll check the cold coolant level in the AM but pretty sure it’s still losing it at about the same rate. However, something presented itself that makes me think it’s the heater core. I noticed the windshield had developed a thin white film on it. Thought it was just grime and dirt. Used some windex to clean the windshield and out of curiosity smelled the rag, it reeked of coolant. I made sure it wasn’t the windex by just spraying some on a cloth and taking a sniff but it’s def a coolant smell. With that said heater core a likely culprit?

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