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Old 04-29-2015, 11:52 AM   #1
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Whistling noise with acceleration...

2013 Ram 2500 CC with the 53.7 Hemi and 66RFE Tranny. When I accelerate I hear a slight whistling noise, almost sounds like the belts are loose. It's not though, as it goes away if I put the truck in park and rev. it definitely happens when I'm accelerating,if I take my foot of the gas it goes away. not very loud but definitely there. I've checked the manifold and the belts doesn't seem to be them. Something in the tranny?
Truck has less than 7k on it.

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Old 04-29-2015, 05:24 PM   #2
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Vacuum leak?
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Old 04-29-2015, 06:02 PM   #3
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Intake leak possibly vacuum leak possible could be trans kinda hard to say.
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Old 04-30-2015, 10:17 AM   #4
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Deer whistle option?
If it occurs only during acceleration I would check the air filter box seal and intake hose. If it is during decal I'd check the intake manifold and brake booster connections.
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Old 04-30-2015, 12:27 PM   #5
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Deer whistle option?
If it occurs only during acceleration I would check the air filter box seal and intake hose. If it is during decal I'd check the intake manifold and brake booster connections.
LOL, no deer whistle. Thanx for the air filter box idea, I'll check that this evening.
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Old 04-30-2015, 02:01 PM   #6
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If you have a throttle body spacer installed, it will whistle on acceleration.
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Old 04-30-2015, 02:42 PM   #7
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If you have a throttle body spacer installed, it will whistle on acceleration.
Let me add, if I'm in neutral or Park and depress the accelerator, there's no whistle, it only happens when in gear and moving.
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Old 05-02-2015, 10:11 AM   #8
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Any solutions yet?
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Old 05-02-2015, 07:29 PM   #9
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Any solutions yet?
Took it by my dealership, mechanic thinks it's an exhaust leak. He crawled underneath, said he could see a carbon trail from around the "Y" pipe. Got an appointment to have it fixed Wednesday.
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Old 05-02-2015, 09:12 PM   #10
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