08-28-2023, 09:59 AM | #1 |
Drives: 2018 ZL-1 Join Date: Jan 2018
Location: Albuquerque
Posts: 948
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I Found a Small Problem We All Might Have
I was just poking around my engine bay yesterday, when I noticed a missing bolt on the aluminum cross piece below the thermostat housing. That bolt fastened a hard line to the cross piece with a cushioned clamp.
Once I started looking further, I noticed that the coolant line was resting on the hard line, and the clamp on the left in the second picture had scratched the top of the hard line, and was damaging it. I also noticed a very small piece of rubber held on by a single zip tie, that was supposed to cushion the hard line from the clamp, but that had moved from its proper position, allowing the clamp to dig into the hard line I ended up buying some rubber hosing, and cut a 6 inch section, sliced it, and zip tied it onto the hard line in 3 places, to prevent further contact. I also beefed up the clamp holding up the coolant line with an extra zip tie. Have a quick look at your car. You might have the same situation, with that clamp slowly digging into that hard line. |
08-28-2023, 11:54 AM | #2 |
Drives: 2023 ZL1 Vert M6 "Sharky" Join Date: Mar 2020
Location: Earth
Posts: 4,035
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Thank you. Can you please take a zoom out pic of engine bay and circle where It is at?
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08-28-2023, 12:37 PM | #3 |
Drives: Chevrolet Camaro ZL1 Join Date: May 2022
Location: Concordia
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There is also a rubbing issue with one of the EVAP lines running from the frame rail, out and up to the engine eventually connecting to the driver's side. Eventually with enough rubbing it will cause a vacuum leak or EVAP leak.
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737 HP/ 779 TQ Last edited by ZLRob; 08-28-2023 at 08:32 PM. |
08-28-2023, 12:37 PM | #4 |
Drives: 2020 Chevy Camaro ZL1 Join Date: Apr 2023
Location: Calgary Canada
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I just checked mine, and everything is secure, but I find it strange that large diameter hose basically rests on top of that rubber insulator that you show a picture of. You would think with vibration overtime the radiator hose would eventually wear in to that insulator.
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08-28-2023, 02:28 PM | #5 |
Drives: 1969 Z28,1992 Z28,1994 Z28,1999 SS Join Date: Oct 2021
Location: Jamestown, ND
Posts: 1,154
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I couldn’t locate anything that looks like your photos on my 23.
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08-28-2023, 03:04 PM | #6 |
Drives: 2017 SS 1LE, 2016 1SS (previous) Join Date: Apr 2016
Location: Metro-Detroit
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Interesting find.
I took a look at my 2017 SS 1LE. Bolt was there (with paint-pen mark). On mine the spring clamp's ear was wearing into the abrasion sleeve on the metal pipe, so I decompressed the clamp some and rotated it a bit so the ear had more clearance to the metal pipe (I think it is the trans cooler line). |
08-28-2023, 03:52 PM | #7 | |
Drives: 2018 ZL-1 Join Date: Jan 2018
Location: Albuquerque
Posts: 948
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Quote:
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08-28-2023, 03:57 PM | #8 | |
Drives: 2018 ZL-1 Join Date: Jan 2018
Location: Albuquerque
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Quote:
You did right by turning the clamp so it would not hit. |
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08-28-2023, 04:36 PM | #9 |
Drives: 2023 Camaro ZL1 Join Date: Jan 2023
Location: NC
Posts: 321
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Mark R, Thanks for bringing this issue up.
Here are a few photos that help point out the area of concerns. The picture with the two arrows, if you put your fingers under these two areas, you will be able to feel the smaller metal tube against the larger hose. Check for ample clearance. You can move the larger hose assembly around somewhat and see the areas of concern better. The only area that the clearance is tight on my car is the left side. The close-up picture (using a mirror from the back side) shows it has just enough clearance but not much. I may move the abrasion sleeve a little, probably rotate the clamp a little to help increase the clearance gap. I will keep an eye on it and if necessary, add some more abrasion sleeve material.
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08-28-2023, 04:37 PM | #10 |
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
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I will check my 2017!
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08-28-2023, 04:57 PM | #11 | |
Drives: 2018 ZL-1 Join Date: Jan 2018
Location: Albuquerque
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Quote:
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08-28-2023, 05:21 PM | #12 |
Drives: 2020 Chevy Camaro ZL1 Join Date: Apr 2023
Location: Calgary Canada
Posts: 1,505
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You would think they would’ve taken the effort to position the clamps, so the ears aren’t facing straight at the line below it
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08-28-2023, 05:30 PM | #13 |
Drives: 2023 Camaro ZL1 Join Date: Jan 2023
Location: NC
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In the mean time, I slide the abrasion sleeve to the right (rubber hose with zip tie) down towards the kink in the metal tube, so it is directly placed where the hose clamp is. Even then, I have ample clearance between the hose clamp and the abrasion sleeve. I did not attempt yet to rotate the metal hose clamp, but not easy to get to.
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08-28-2023, 06:36 PM | #14 |
Drives: 2023 Camaro ZL1 Join Date: Jan 2016
Location: USA
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I rotated the zip tie but the abrasion sleeve is still out of position.
The metal pipe shows some scratches too. Are there any kinds of anti abrasion sleeves that can be pushed in place over the coolant hose? EDIT: i may just split and ziptie some rubber fuel line hose onto the hard line. Last edited by triggerjerk; 08-28-2023 at 06:56 PM. |
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