Tick after hard driving.. - Dodge Challenger Forum: Challenger & SRT8 Forums
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post #1 of 37 (permalink) Old 07-07-2019, 10:56 AM Thread Starter
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Tick after hard driving..

Hey guys , please move this post if it's in the wrong section . I just recently picked up a 2018 6mt scat pack shaker with 4k miles on it. At idle normally it sounds fine , but after hard driving I can hear a ticking that is intermittent . I have only had it for a few
weeks but it's in South Carolina so it's been hot this whole time.i have scrolled through a ton of post and video s , but hadn't heard much about a tick after hard driving . Is this normal or should I be concerned ? Thanks
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post #2 of 37 (permalink) Old 07-07-2019, 11:09 AM
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How's the oil level and when was it last changed? The 392 engine requires an oil change every 6 months since new to keep the warranty so hope that has been done.

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post #3 of 37 (permalink) Old 07-07-2019, 11:25 AM Thread Starter
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Oil level is full and oil life is at 72 percent , it was changed when I bought it a month ago. I bought it from a Nissan dealership so I am making an assumption they probably didn't put in pennzoil synthetic like dodge does
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post #4 of 37 (permalink) Old 07-07-2019, 11:37 AM
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These are noisy engines, seem to be more-so when they're still new (Observed by myself and a few other 6.4L owners on this forum). So what's a noisy tick to one person may be normal Hemi noise to another. Without a video or audio clip, it's hard to say.


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// 2016 Dodge Challenger R/T Scat Pack 392, TR-6060, Billet Silver, SPAG
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post #5 of 37 (permalink) Old 07-07-2019, 12:13 PM Thread Starter
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I'll catch a video of it soon. I think I am being new to me car paranoid. It is going in Tuesday for some Uconnect issues, so I will have them change the oil to Pennzoil and start off on the right foot.

I'll bring up the noise at the dealership but as long as they listen to it and document it as normal, I will just turn the radio up.
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post #6 of 37 (permalink) Old 07-07-2019, 12:41 PM
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Quote:
Originally Posted by bizlipkick View Post
Hey guys , please move this post if it's in the wrong section . I just recently picked up a 2018 6mt scat pack shaker with 4k miles on it. At idle normally it sounds fine , but after hard driving I can hear a ticking that is intermittent . I have only had it for a few
weeks but it's in South Carolina so it's been hot this whole time.i have scrolled through a ton of post and video s , but hadn't heard much about a tick after hard driving . Is this normal or should I be concerned ? Thanks
Congrats on the awesome ride! FIRST: If the Nissan dealership changed the oil.....I'd bet u got whatever they stock. And they DO NOT stock Pennzoil Pure Platinum 0-40!! You MUST get the right oil in it first!! The oil was created for this engine.....that is not a joke. Do your research.

I have had many Mopars in the last 40 years....and yes....after hard driving it is normal to get a pronounced tick that goes away after a bit. The reason is....the high RPM squeezes oil out of the lifters and you get a little slack in it. That's the tick. Some easy driving or sitting....the lifter pumps back up and is quiet again. Normal on a Hemi.
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post #7 of 37 (permalink) Old 07-07-2019, 12:51 PM
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Hi Bizlipkick

I have pretty much the exact same symptoms you describe with my 2012 SRT8. 95% of the time the engine is quiet as a mouse like a little sewing machine but as you describe intermittently especially after a spirited blast along the freeway, when at idle the engine will be embarrassingly noisy ticking/tapping away.

I changed my oil when I bought the car last year at 15,200 miles, then again at 18,500, using Shell Helix 0w/40, the car was stored during the winter and is now at 20,800 miles and will shortly be due another oil change, this time I am going to use the Pennzoil 0w/40 recommended by Chrysler (7 quarts cost approximately $140 here in the U.K) as an experiment to see if it makes any difference

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post #8 of 37 (permalink) Old 07-07-2019, 12:55 PM Thread Starter
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Congrats on the awesome ride! FIRST: If the Nissan dealership changed the oil.....I'd bet u got whatever they stock. And they DO NOT stock Pennzoil Pure Platinum 0-40!! You MUST get the right oil in it first!! The oil was created for this engine.....that is not a joke. Do your research.

I have had many Mopars in the last 40 years....and yes....after hard driving it is normal to get a pronounced tick that goes away after a bit. The reason is....the high RPM squeezes oil out of the lifters and you get a little slack in it. Thats the tick. Some easy driving or sitting....the lifter pumps back up and is quiet again. Normal on a Hemi.
Thanks man, I have done some research and you are right, I will get the oil changed Tuesday and keep an eye on it. I would be willing to bet some wheels that whatever oil is in their now is not Pennzoil from Dodge. But even then, if I am supposed to get a normal tick after driving it hard then I am not worried about it. Luckily I have been out of town for half the time I have owned the car, so I have only put 500 miles on it since purchased.
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post #9 of 37 (permalink) Old 07-07-2019, 01:01 PM Thread Starter
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Hi Bizlipkick

I have pretty much the exact same symptoms you describe with my 2012 SRT8. 95% of the time the engine is quiet as a mouse like a little sewing machine but as you describe intermittently especially after a spirited blast along the freeway, when at idle the engine will be embarrassingly noisy ticking/tapping away.

I changed my oil when I bought the car last year at 15,200 miles, then again at 18,500, using Shell Helix 0w/40, the car was stored during the winter and is now at 20,800 miles and will shortly be due another oil change, this time I am going to use the Pennzoil 0w/40 recommended by Chrysler (7 quarts cost approximately $140 here in the U.K) as an experiment to see if it makes any difference

Regards

Dereck
Thanks Dereck, that's exactly when I heard mine was showing off a bit for my son on the freeway, then we were in a fast food drive through and it was a very pronounced "tap tap tap" .
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post #10 of 37 (permalink) Old 07-08-2019, 04:50 AM
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Here's some more information about the Hemi tick, at idle, from the SRT engineers:

""You will not hear the valve seating at or near idle conditions unless you have seriously aerated the oil system and hence the lifters. You will also not hear the moly wearing off the piston skirts. A piston that is too small in a bore too big will result in a cold slap that can be heard at cold (I mean cold like -20 deg F) idle. We do a lot of testing and guage pistons and bores very carefully to make sure you as our customer cannot detect the piston movement in the bores- hot or cold. I expect what you hear is the injectors which do make a clicking noise that can be heard and gets slightly noisier as the injector temp is elevated. The noise is caused by the injector pintel as it opens and closes and while we have not been able to eliminate the noise due to the required operation (you need the fuel) we have done some work with minimizing the noise with isolation."


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