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Old 04-04-2019, 05:43 AM   #1
destroyerg
 
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Starting-up issues

Good morning everyone,

First I would like to introduce myself. I am Julian and I am 25 years old guy from Spain that bought a Camaro SS Convertible and I definitely love it.

The problem I am facing is related to the Start-up, and I think is related to the starter.

From what I read there are two main issues, ground cable and heat soak, but before pulling the trigger with mine I would like to have some advice from you, as we do not have GM/Chevrolet Dealers here.

My car starts-up great in cold, and warm too except sometimes. This is totally random, but it is happening more and more often now. When I try to start it warm, sometimes it sounds a loud "CLACK" and doesn't start-up. You can try it all the times you want, but you won't get more than that clack. But you leave the car(for a random time too, maybe is 2 hours, maybe 15 minutes) and it starts perfectly.

I checked my battery and it is ok, and it is not old.

So what can it be? Thank you very much
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Old 04-04-2019, 09:43 AM   #2
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That clack/click is probably the solenoid and the starter is not engaging probably from heat soak
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Old 04-04-2019, 10:45 AM   #3
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Quote:
Originally Posted by Nb1081 View Post
That clack/click is probably the solenoid and the starter is not engaging probably from heat soak
That is what I think, but isn't it weird? I mean, from everything I read, with heat soak what happens is that people have a slow start-up. Mine doesn't start-up at all until suddenly it works.

I am thinking that maybe the best solution is to do both mods, heat shield and ground cable...
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Old 04-04-2019, 07:42 PM   #4
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You haven't told us anything about the age and history of your car.

If you are confident about the battery, check the ground and then maybe the starter. Do you have headers? They tend to cause starter overheating.
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Old 04-05-2019, 12:19 AM   #5
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Check the ground from the battery to the body; I've read reports of that. Sand off any rust and give it a coating of light grease to prevent further rust. It will only cost you time.

Heat soak shouldn't be an issue without headers.
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Old 04-05-2019, 06:44 AM   #6
destroyerg
 
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Quote:
Originally Posted by Rock-It Man View Post
You haven't told us anything about the age and history of your car.

If you are confident about the battery, check the ground and then maybe the starter. Do you have headers? They tend to cause starter overheating.
To be honest, I do not know, how can I know if I have headers? I bought it second hand I don't have this information.

Quote:
Originally Posted by CamaroFred View Post
Check the ground from the battery to the body; I've read reports of that. Sand off any rust and give it a coating of light grease to prevent further rust. It will only cost you time.

Heat soak shouldn't be an issue without headers.
Do you know what I need to check exactly?

I am sorry but I am a noob in mechanics, I try to do my best though
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Old 04-05-2019, 02:31 PM   #7
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Quote:
Originally Posted by destroyerg View Post
To be honest, I do not know, how can I know if I have headers? I bought it second hand I don't have this information.



Do you know what I need to check exactly?

I am sorry but I am a noob in mechanics, I try to do my best though
The black wire from the battery bolts to the body.
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Old 08-15-2019, 08:12 AM   #8
destroyerg
 
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Well, I changed the starter and apparently it solved the problem. A couple of months later the issue has come back. The battery was changed as well so the only issue I can think of is heating soak. Any idea to repair it?
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Old 08-15-2019, 10:15 AM   #9
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Add an additional chassis ground from the drivers side head to the negative jump post under the hood. Problem solved or atleast significantly reduced.
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Old 08-16-2019, 02:41 AM   #10
destroyerg
 
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Quote:
Originally Posted by Bildo View Post
Add an additional chassis ground from the drivers side head to the negative jump post under the hood. Problem solved or atleast significantly reduced.
That was done already, so not the issue. And this happens when the car is hot and I leave it for 10-15 minutes and try to start it up again.
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Old 08-18-2019, 02:10 PM   #11
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Any ideas?
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Old 08-18-2019, 02:59 PM   #12
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Powermaster 9509

If Christian Chevell recommends this I would give it a shot.

Powermaster 9509 starter 2011 LS3
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Old 08-20-2019, 11:37 AM   #13
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Wrap the new starter with a heat shield blanket. The issue with heat soaked starters isn’t the starter itself but more so the solenoid that sits above it in a slight pocket with little to no air flow in the area. Typically when you shut the hot car off the heat bakes it then because the heat will rise up into the pocket . I had same issue on mine so when I replaced the starter I added a ground wire from one of the starter bracket bolts to the body/ frame (I used a 16” battery ground wire) and wrapped the starter itself in a starter heat shield blanket. It’s been over a year and no issues since doing this. An OEM starter will be fine but if you can swing the extra cost definitely upgrade it like Fred says above.
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Old 08-21-2019, 04:09 AM   #14
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Crank Sensor behind the starter.....its $26
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