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2nd Gen Durango 2004 - 2009

Hemi Tick Tick Sound (Spark Plugs Knocking) Sound

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  #1  
Old 03-22-2011, 03:45 AM
shahzammss shahzammss is offline
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Default Hemi Tick Tick Sound (Spark Plugs Knocking) Sound

Hi guys

I have hemi 5.7L 2008 durango AWD.

I have weird sound when shifting from 1st to 2nd /3rd gear. The tick tick sound (similar to missing spark fire sound/knocking sound) starts & continues to 4th & 5th it goes off when press tow/haul or press gas pedal to down shift for quick acceleration. when i hard press pedal at start & all gears shifts in above 3000+ rpm. there is no sound. as soon as it come back to normal ride on 5th gear sound starts..continues in mds activated as well

major notice is low rpm & higher gear sound is there. Lower gear & high RPM (overdrive or quick accelration) no sound.

sound is not making any problem but just sound. I have replace all spark plugs & one of the coils & made sure that they are tighten well. it reduced the sound but not fully gone

appriciate yuor help. I love hemi & its heavy sounds but not this sound
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  #2  
Old 03-22-2011, 07:46 AM
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1969CoronetR/T 1969CoronetR/T is offline
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THere are a few threads about this in the Ram (?) section. Type 'hemi tick' into the search function at the top of the page in the black menu bar,
FF
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Old 03-27-2011, 12:42 AM
shahzammss shahzammss is offline
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Hi alljust an update. I have noticed preciously. found that this misfire kind of sound increases is when MDS gets engaged. without MDS, its very minor..any advise now please
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Old 03-27-2011, 09:35 AM
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I have ported heads on my Hemi and it will make a rattling sound due to the valve lash interfering with the MDS system,
FF
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Old 03-27-2011, 05:34 PM
shahzammss shahzammss is offline
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you mean.. heads need to be open & valve lash needs to be adjusted????
can I do it myslef or must be from dealer?
BTW is there nay step by step instruction to fix it.
I have seen one thread talking about egr valve problem..can it be that?
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Old 03-27-2011, 07:41 PM
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1969CoronetR/T 1969CoronetR/T is offline
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I would do a full tune up and see if that helps. Replace the plugs, EGR valve and clean the throttle body,
FF
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Old 03-28-2011, 12:50 AM
shahzammss shahzammss is offline
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man I really appriciate you all for this great help. I am just need to learn & don't want to waist time with dealer unless there is real problem.
BTW today i tested by disconnecting the EGR VALVE & the sound was very minimal (1000% acceptable by me) but it won't engage the MDS. how can i make sure that EGR VALVE is causing the issue.. new one is cheap but not free to replace & test..

thanks
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Old 03-28-2011, 11:18 PM
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Shahz:

Glad to hear you are making some progress. I assume you are using the proper 5w20 oil that is required by the MDS system.

The EGR valves can cause a variety of driveability issues. I would replace the valve and gasket. I think you can do this yourself for less than $100.

Don
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Old 03-29-2011, 04:54 PM
shahzammss shahzammss is offline
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oil is 5w30 always changed by dealer. 30 is due to hot weather in saudi
ya its 63$ but is there a way to test egr. i yesterday serviced it from dealer.. its 50000km service. they checked but nothing found. as per them its injectors sound which i feel becos 4 injectors gets off in mds.
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Old 05-02-2011, 02:17 AM
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Hi all

I have replaced the egr valve with gasket. still the same, I should have recoreded the sound but could n't becos it only sounds when driving in idle noooooo sound. I was suspecting could it be fuel injector sound which some how increses when more fuel required. its a kind of gargling sound. I wish i could record it.
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  #11  
Old 05-02-2011, 11:58 PM
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Shahz:

I see an issue right away. The MDS cylinder shutdown system in your Hemi engine requires 5w20 oil to work properly. I have not heard of any exceptions to this rule for any reason.
If the factory (as in Chrysler/Dodge) in Detroit say its ok, then ok.

Otherwise, first thing is to get that 30w out of there and put the 20w in.

Granted, if the only issue the 30w would cause would be no MDS operation, that might end up being a sacrifice you have to make in your climate.

Don
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Old 05-04-2011, 06:41 AM
shahzammss shahzammss is offline
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MDS gets engaged, but the sound. might this help better understand. (I had 91 chvey caprice before & it startd giving same sound + less power + heatup problem, my guy told me that the distributor needs to be adjusted. He adjusted and everything got fine. Hemi does not have distributor or plugs wire its coil system.)
I will tomorrow change oil with mopar 5w-20. any brand recommendations???
I cleaned the fuel system using fuel injector cleaner. I am also thinking of cleaning throttle body. here in saudi its always sandy & dusty. this parts effetced most.
its annoying gargling sound, without any code or problem. I don't like to hear sound in cars i love & hemi is my second love,,,,,,
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Old 05-04-2011, 07:55 AM
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I would use synthetic from Pennzoil, Mobile 1 or Royal Purple if they are available in Saudi,
FF
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Old 05-05-2011, 05:12 PM
shahzammss shahzammss is offline
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pennzoil 5w-40 is available @ dealer, quite expensive.
mobile 1 5w-20 synthetic is also available. both are synthetic
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Old 05-05-2011, 11:00 PM
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Shahz:

Do give the 20w oil a try, and then get back to us with the results.

You are correct that the Hemi doe not have a distributor, but it does have plug wires.

The 4.7L engine does not have a distributor, or plug wires. It uses Coil on Plug ignition whereby each plich has a coil directly on top of it. 8 coils for 8 plugs.

The Hemi has 8 coils for its 16 plugs. Two plugs fire at once. The one the active coil sits over fires on the compression stroke, while another plug on the opposite bank fires on its exhaust stroke to lower emissions by more fully burning the remains in that cylinder.

Don
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Old 05-09-2011, 07:41 AM
shahzammss shahzammss is offline
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Hi all
I have changed oil to 5w-20 penzoil synthetic,,,no use..uploaded a video of sound @ http://www.youtube.com/watch?v=cqq8DCcQ4l4,,might be helpful..sound can be heared @ 0:02 & @ 0:09 onwards..its only when pedal pressed
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Old 05-10-2011, 12:14 AM
fr0gster fr0gster is offline
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Broken studs or bolts on the manifolds....
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Old 05-10-2011, 05:18 AM
shahzammss shahzammss is offline
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I also thought about this, but it does not sound when idle..if manifold stud broken it should sound when idling or when accelrator pressed in park???
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Old 05-10-2011, 06:49 AM
shahzammss shahzammss is offline
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Hi guys

No stud broken..I have loosen & tighten all of them..one of the blogs i found, which is talking about idler pullies & belt tensioner. blog says that if there is humming noise during start or high rpm test. this sound will be when driving due to bad bearings....

any more ideas please....

Last edited by shahzammss; 05-11-2011 at 08:34 PM..
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Old 05-11-2011, 10:08 PM
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Shahz:

Listened to your video, and could barely hear what you are hearing. At this point, I am running out of thoughts about it.

When you are rolling down the road and hear the sound, try putting trans in neutral and see if the noise get better or worse.

When doing this, if the noise gets worse as you rev the engine a bit, then it should not involve the power train.

Then, looking at belts, belt driven accessories, and idler pulleys etc sounds like the next logical step.

Don
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Old 05-11-2011, 10:08 PM
 
 
 
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