Ticking sound from engine - Cherokee SRT8 Forum
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post #1 of 6 (permalink) Old 05-11-2019, 05:34 PM Thread Starter
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Ticking sound from engine

Hey guys I’m new to the forum! So I have a Jeep Grand Cherokee SRT 2015, and recently I noticed a slight ticking sound coming from the engine, the sound could be heard from inside the car but only if the windows are open and I’m next to a wall or something to reflect the sound.
Once I opened the hood I noticed the sound coming from the right side of the engine (if facing the front of the car).
I’m not really sure what’s causing the sound, I was told it could be coming from the valves or the fuel injectors!

Here’s a link to the video with the sound:

Thanks

Last edited by Majeed_; 05-13-2019 at 01:22 AM.
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post #2 of 6 (permalink) Old 05-11-2019, 05:37 PM Thread Starter
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And by the way the sound mostly comes when the engine is warmed up. And when the sound comes it stays for a minute or so then stops, but comes back.

3 days ago I added a valve lubricant to the oil and a fuel cleaner but the sound still prevails.

Thanks again!l]

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post #3 of 6 (permalink) Old 05-11-2019, 05:43 PM Thread Starter
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Hey guys! any idea what the sound could be coming from?

Last edited by Majeed_; 05-13-2019 at 01:24 AM.
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post #4 of 6 (permalink) Old 05-14-2019, 01:50 PM
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My guess is the lifters. IIRC sounds close to mine, but sometimes the recorded audio could be different than in person(like exhaust clips).

Mine started making a noise at 72k miles.
Dealer replaced them. Can't tell you what it cost cause it was still under warranty. Took them a day to do.

Truck still ran fine, or at least not a noticeable drop in power and had no codes.

Last edited by John813; 05-14-2019 at 01:53 PM.
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post #5 of 6 (permalink) Old 05-16-2019, 06:11 PM
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I just picked mine up from the dealer last week and on the way home, loss of power (not significant but noticeable), rich smelling exhaust, the TICK and eventually a P0303 #3 cylinder misfire code. I've cleared it a few times, comes back on some quickly and others later. Performance does not seem to be altered much now. I checked the coil pack, switched with #1 and still the same code. Checked for spark and looked at all harnesses for the injectors, coil packs, etc.

The tick is the part that bothers me as it sounded like valvetrain chatter or engine noise. Then I dug deeper. It appears the tick is coming from (and vibrating profusely) the Purge Valve Solenoid behind the left bank (drivers side) which then echos off the aluminum shielding and then under the SRT. I'm going to change this $25 part out before assuming it's internal issues or before spending $500 on plugs and coil packs. I hear DUI makes a great set dyno proven for 12WHP for the SRT so I don't mind spending a bit there. I'm at 87k, not wanting to hijack the thread but any thoughts regarding the P0303 situation and these symptoms would be appreciated. I'm past 5-years since registered so the powertrain warranty is up.

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post #6 of 6 (permalink) Old 05-22-2019, 02:20 PM
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Quote:
Originally Posted by SRT8-X View Post
I just picked mine up from the dealer last week and on the way home, loss of power (not significant but noticeable), rich smelling exhaust, the TICK and eventually a P0303 #3 cylinder misfire code. I've cleared it a few times, comes back on some quickly and others later. Performance does not seem to be altered much now. I checked the coil pack, switched with #1 and still the same code. Checked for spark and looked at all harnesses for the injectors, coil packs, etc.



The tick is the part that bothers me as it sounded like valvetrain chatter or engine noise. Then I dug deeper. It appears the tick is coming from (and vibrating profusely) the Purge Valve Solenoid behind the left bank (drivers side) which then echos off the aluminum shielding and then under the SRT. I'm going to change this $25 part out before assuming it's internal issues or before spending $500 on plugs and coil packs. I hear DUI makes a great set dyno proven for 12WHP for the SRT so I don't mind spending a bit there. I'm at 87k, not wanting to hijack the thread but any thoughts regarding the P0303 situation and these symptoms would be appreciated. I'm past 5-years since registered so the powertrain warranty is up.
Going they the same thing with a P0302 error. I have my situation posted here.

https://r.tapatalk.com/shareLink?url...2&share_type=t


Need help. cylinders misfiring

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