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Noise when accelerating - help?

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Deadbolt

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Discussion starter · #1 ·
Hey guys,

I have a strange noise I need help diagnosing. The noise itself is hard to describe...it's somewhere between a rhythmic swishing and a sputter. This noise only occurs while in motion. It's most noticeable when pressing the accelerator, and seems to increase and decrease with the RPM (starts slow at around 1500, increases in frequency as rpm goes up). It is present when coasting, but it is almost inaudible when not pressing on the gas. It does NOT occur if I rev the engine while in park.

Those are the details I have now. Any thoughts?

Thanks!
 
#2 ·
2X4? 4X4? CVT? 6-speed?
 
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#5 ·
I currently have a rattle noise on acceleration and it is most evident when the engine is hot. For the longest time I suspected the tranny but now I believe its coming from the pulley side of the engine. When I pop the hood to have a listen after the car has been driven for a while I hear a faint rythmic chirping noise coming from the serpentine belt area. I suspect a bearing is on its way out and could be coming from ac compressor,alternator, idler/tensioner pulley,water pump or power steering pump. It is not yet loud enough for me to take it in but as soon as it is into the dealer it goes-again!!
 
#6 ·
I had a but of a screeching noise while accelerating, and it was after a severe rainstorm. Turned out that the heat shield on the underside bent and was rubbing against the catalytic converter. When it was sitting idle I didn't hear it, but when I was accelerating or driving, there was some pressure in that exhaust and it vibrated, rubbing the heat shield, metal on metal. This is what I assume it was anyways... after I bent the shield back the noise stopped
 
Discussion starter · #8 ·
Update: the cause was an internal bearing in the transmission. The entire transmission was replaced under the lifetime power train warranty. It's disconcerting that my tranny went out at 77,000 miles, but I'm relieved the warranty covered it. Drop off to return was 48 hours at the dealer, so that was impressive.
 
Discussion starter · #9 ·
mrJeepr44 said:
I had a but of a screeching noise while accelerating, and it was after a severe rainstorm. Turned out that the heat shield on the underside bent and was rubbing against the catalytic converter. When it was sitting idle I didn't hear it, but when I was accelerating or driving, there was some pressure in that exhaust and it vibrated, rubbing the heat shield, metal on metal. This is what I assume it was anyways... after I bent the shield back the noise stopped
Click to expand...
The heat shield was also bent as on yours, so that was corrected as well.
 
#11 ·
Chanel Davis said:
I just purchased a 2014 Jeep Patriot 4x4. When accelerate or decrease speed, I hear a clicking noise. Sounds like a card in a bike rim kind of. Any clues what it could be?
Click to expand...
Hi Chanel,

Did you purchase your Patriot as a certified used vehicle from a Jeep dealership? If so, did you request that they address this for you?

Kori
Jeep Social Care Specialist
 
#12 · (Edited)
Hi Chanel,

Did you ever find out what was causing your bicycle wheel card flapping noise?

Mine just started getting it a few days ago.
2.0 L engine 5 speed 4x2.

It only happens under acceleration, when I lift off the gas pedal or push down on the clutch, it goes away.


Thanks!


Juan
 
#16 ·
Like @Deadbolt, I, too, had a bad bearing in my '08 Patriot. Mine made a humming noise. I was around 110,000 miles when that happened. Dealer mechanic back then (maybe 2011-12? I'd have to look it up) said it was a weak point, so apparently even when Patriots were still fairly new to the market, they had already noticed a problem. Fortunately like @Deadbolt, I had the lifetime warranty. My replacement CVT started slipping around 270,000 and again Jeep covered it under the lifetime warranty. I'm all smiles :) If I'd had to pay for it, I'd feel differently.

Presently my 2014 Patriot has an appointment to have its 5-spd replaced. I'm at 190,000 miles, so at those miles most anything can fail. Everything else seems strong -- frame is solid and it doesn't use any oil. Yeah, it's big bucks, but only a fraction of what a new vehicle would cost, and frankly, I like my Patriot better than any of the new cars, regardless of the brand. Anything else as good as my Patriot would cost twice as much as the replacement. I'm still smiling . . . kinda. :confused:
 
#17 ·
Deadbolt said:
Update: the cause was an internal bearing in the transmission. The entire transmission was replaced under the lifetime power train warranty. It's disconcerting that my tranny went out at 77,000 miles, but I'm relieved the warranty covered it. Drop off to return was 48 hours at the dealer, so that was impressive.
Click to expand...
@Deadbolt, please can you tell me if changing your tranny worked? Do you think changing the internal bearing in the tranny alone could have worked?
 
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