RE: RE: 2003 R/T making snapping/popping noise on warm-up/cool-down

From: Bernd D. Ratsch (bernd@dodgetrucks.org)
Date: Wed Apr 23 2008 - 14:57:23 EDT


They all pop on heat-up - just depends on how loud and exhaust configuration
(factory/aftermarket/custom welded/etc.).

- Bernd

-----Original Message-----
From: Andy Levy [mailto:andy.levy@gmail.com]
Sent: Wednesday, April 23, 2008 1:37 PM
To: dakota-truck@dakota-truck.net
Subject: Re: DML: RE: 2003 R/T making snapping/popping noise on
warm-up/cool-down

Is that something new? My '03 never made popping noises during warm-up or
cool-down.

On Mon, Apr 21, 2008 at 10:52 PM, Bernd D. Ratsch <bernd@dodgetrucks.org>
wrote:
>
> Sounds like the normal "pop" from the exhaust manifolds on initial
> heat-up and cool-down. You should hear the 4.7L's on a really cold
> morning while heating up.
>
> - Bernd
>
> -----Original Message-----
> From: msnbcnnbcbs@hotmail.com [mailto:msnbcnnbcbs@hotmail.com]
> Sent: Monday, April 21, 2008 7:48 PM
> To: dakota-truck-moderator@bent.twistedbits.net
> Subject: DML: 2003 R/T making snapping/popping noise on
> warm-up/cool-down
>
>
> Hiya Folks,
>
> I've been hearing a really VIOLENT snapping/popping noise coming from
> the engine for a while. It started when I replaced the stock intake
> manifold for a modified Hughes Stage 1.
>
> At first I thought the manifold was the culprit. But I ended up
> replacing it this weekend and the noise is still there.
>
> The noise IS NOT RYTHMIC, and not consistent. It happens about 50
> seconds after startup, and continues while warmed up. The noise does
> not stop as the engine cools off. I've tried sitting and staring at
> the engine while its off but the noise is loud and reverberates
everywhere, so its hard to pinpoint.
>
> I have a thread in dakota-durango with a video of the noise and
everything.
>
> http://www.dakota-durango.com/forum/showthread.php?t=51792
>
> I'm hoping someone can shed some light on this, (although at this
> point I'm starting to suspect the stock headers/heatshields..) or at
> the very least tell me its nothing serious.
>
> Thanks.
>
>
>
>
>



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