How Reliable is the 2.4 engine ? - Page 2 - JeepForum.com

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post #16 of 27 Old 01-12-2014, 07:44 PM
DLTC86
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2008 MK Compass 
 
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Quote:
Originally Posted by Katmandu
Speaking of this GEMA 2.4 engine, why is it so noisy ? I've not heard very many (4) cylinder gas engines that growls so loud like this one does. Pretty odd if you ask me.
Curious on this too. Almost sounds like a diesel starting from cold. Always did this so I know it's nothing wrong, curious as well.

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post #17 of 27 Old 01-13-2014, 05:36 AM
NHPATRIOT
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2014 KL Cherokee 
 
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Not much if any sound deadening on the Patriot and Compass.

2014 Jeep Cherokee
Latitude
3.2L Pentastar V6
Active Drive I
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post #18 of 27 Old 01-13-2014, 11:20 AM Thread Starter
Katmandu
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Quote:
Originally Posted by NHPATRIOT View Post
Not much if any sound deadening on the Patriot and Compass.
What about the characteristic growling type sound while accelerating ?

It's not like any other typical (4) cylinder gas engine I've ever heard before. You don't hear (4) cylinder Hyundai, Ford, Toyota or Honda make this type of sound. Just odd.

- 2013 Jeep Wrangler Sport S
- 2014 Jeep Compass Latitude 4x4
- 2012 Jeep Liberty Latitude 4x4 - gone
- 2005 Jeep Liberty Renegade Rocky Mountian Edition - gone
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post #19 of 27 Old 01-14-2014, 12:41 PM
Redpine
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The old Ford Escorts were noisy and so were my Caravans with the Chrysler 2.4 engines (not GEMA). We think our Pat is more quiet than the last Caravan we had with 2.4L engine.

If I remember correct, it seems that my 2014 Patriot with auto transmission is more quiet than the 2013 I test drove with the CVT. It seems that the CVT tended to make the drive train more "buzzy". But, my memory is bad. Someday, test drive a 2014 and compare it to yours. Part of the noise could be the "tuning", or lack, of in the exhaust system also.

I think the noisy engine is just a reflection of my comment above about this engine lacking refinement. It's stout and reliable, but not refined. Subaru engines can be a bit noisy too.

Some people claim that brand or type of oil can affect the sound of an engine.
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post #20 of 27 Old 01-14-2014, 07:16 PM Thread Starter
Katmandu
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Quote:
Originally Posted by Redpine View Post
Someday, test drive a 2014 and compare it to yours.

I think the noisy engine is just a reflection of my comment above about this engine lacking refinement. It's stout and reliable, but not refined. Subaru engines can be a bit noisy too. .
I bought a 2014 Compass last week.

I believe the "growl" type sound is actually coming from the intake snorkle. I removed it, revv'd the engine a bit and it's not near as "snarly" sounding.

I'll see how it sounds on my way home from work tonight. Not worried about it sucking in hot air. The grill area is not that restrictive to worry about that.

- 2013 Jeep Wrangler Sport S
- 2014 Jeep Compass Latitude 4x4
- 2012 Jeep Liberty Latitude 4x4 - gone
- 2005 Jeep Liberty Renegade Rocky Mountian Edition - gone
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post #21 of 27 Old 02-18-2014, 01:59 PM
jeepguy2010
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I've read that it's the CVT that makes it noisey, not the engine itself. Dunno if that true or not, but CVT's are notorious for being a bit noisy anyhow regardless of what vehicle it's in.
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post #22 of 27 Old 02-20-2014, 06:43 AM
GMC2MK
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as someone else said I think some of it is just in how much / how little sound deadening material is used. I've got a couple of old Mercedes cars that have fairly heavy rubber mats that cover the inside of the hood and the floor in cabin, the new Jeep I got doesn't have anything near that but it's still not that bad for noise.
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post #23 of 27 Old 03-05-2014, 07:38 PM
Redneckbuckeye
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What is the FD1 and FD1?
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post #24 of 27 Old 03-05-2014, 08:11 PM
aroundincircles
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Quote:
Originally Posted by Redneckbuckeye View Post
What is the FD1 and FD1?
I assume you mean FDI and FDII, that is the freedom drive one (or standard 4x4) and the Freedom Drive two (or the trail rated package)

Here are more details from jeep:


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post #25 of 27 Old 03-06-2014, 03:45 AM
cuemark8
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2007 MK Compass 
 
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The only real major difference is the availablity and functionality of a low range 4x4 system.

If you don't need that avoid it. It adds weight and system as a whole really hurts fuel mileage.

Or get the FDII, It will get you the gas pumps a lot quicker! Hehe.
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post #26 of 27 Old 07-06-2016, 12:22 PM
ChiroJK
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I have an 08 Chrysler Sebring with the GEMA 2.4L. Slightly different than the Tiger Shark, but not my much. So far I'm just shy of 160,000 miles. With regular conventional oil changes every 5K and air filter changes every 30K I've had minimal issues with the engine.

The intake manifold runner control valve needed to be replaced at 150K due to worn out internal plastic parts. The only other part replaced under the hood was the alternator at around 100K.
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post #27 of 27 Old 07-11-2016, 11:47 AM
derailed75
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Garage
I have a 2015 Patriot Latitude with the 2.4 tiger shark and a 2015 Promaster city with the 2.4. We get around 26 average with the Pat and the PM which is a panel van with a ladder rack loaded down inside gets around 22 average. Thats a huge improvement from the E150 we had with the I6, it got around 11mpg with a stiff wind behind me.



PS are those the same motors? I am new to Jeep/Chrysler products.
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