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Nate Brown
Dodge Dakota
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5/04/2004
16:53:28
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 Subject: Engine Rattling?
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My engine in my 97 v6mag makes a rattling sound. Any ideas what it could be?
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mhall02
Dodge Dakota
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5/04/2004
17:16:13
|  RE: Engine Rattling?
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Timing chain? Do a search under this topic, it seems common.
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?
Dodge Dakota
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5/05/2004
08:56:54
| RE: Engine Rattling?
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At what RPM's ?
All - possible bearing in idler pulley , or ?
Only @ say 2000 rpm under lite load
see cooler intake,180 therm, 3923 plugs etc..
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Nate Brown
Dodge Dakota
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5/05/2004
09:38:21
| RE: Engine Rattling?
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It rattles at idle
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krazy dakota
Dodge Dakota
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5/05/2004
10:09:34
|  RE: Engine Rattling?
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the rattling noise u are hearing is probly due to the timiing chain, the 87 and 88 dakotas had a problem with the timing chain slapping against the timing cover after significant wear, to correct the problem dodge incoporated a timing chain tensioner which kept the timing more accurate and less likely to rattle.
you can buy them through your local dodge dealer, part # is p5007709 it is considered a performance part from dodge. i would also reccomend a double roller timing chain replacement while you have the timing chain off.
and one more mod i would reccomend is to drill a small hole in the bolt to the upper left, the bolt that holds the camshaft thrust plate to the block, this will allow the oil to drain onto the timing chain immediatly instead of having to build up volume to get to the ports that dodge forged into the block.
this will increase the longevity of the timing chain and timing gears, and reduce fatigue from cold or hot starts!
any question about anything on a dakota engine should be sent to motorkaw@eartlink.net
thanks and have a great day
Extreme Motorhead, Jason Oglesby
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?
Dodge Dakota
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5/05/2004
12:42:09
| RE: Engine Rattling?
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Use a stick of wood ( like a broomhandle piece )
as a " stethoscope " to probe and narrow down where the noise comes from ...
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Nate Brown
Dodge Dakota
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5/05/2004
23:55:17
| RE: Engine Rattling?
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where can i get those parts
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?
Dodge Dakota
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5/06/2004
14:02:22
| RE: Engine Rattling?
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ON a 97 , should NOT be chain !!
my 95 has just over 100,000 mi ..
I do not hear any chain noise.....
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GB2000
GenIII
5/06/2004
15:21:34
| RE: Engine Rattling?
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A lot of daks do have the problem with the timing chain...it's a known problem. It doesn't mean the chain needs replaced or anything. It's just noisy. The way to get rid of the noise is to replace the timing chain with a double-roller chain and also install a tensioner.
Josh
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mhall02
Dodge Dakota
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5/06/2004
15:44:37
| RE: Engine Rattling?
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Question, has anyone known of this timing chain actually breaking? Mine rattles some, engine has 128,000 miles, but if its not a problem I can live with a little rattle. It was enough time to get the water pump off and the new one on, I don't want to spend that much time to get rid of a little rattle now and then. If it runs good, why mess with it?
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GB2000
GenIII
5/06/2004
16:07:46
| RE: Engine Rattling?
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They will eventually break or jump teeth on the sprocket...usually around 100,000 miles is when they're due for a replacement. Some people drive em til they break, but if it were me, I'd have it changed as preventative maintenance. When they do break, they sometimes will do a considerable bit of damage to the engine. Not worth it in my opinion...
Josh
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another mark
Dodge Dakota
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5/07/2004
01:56:09
| RE: Engine Rattling?
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You'll know when you break it when you go to start the truck and the distributor spins but the engine doesn't turn. I hope mine goes in its sleep.
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CTDAK
Dodge Dakota
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5/08/2004
14:45:05
| RE: Engine Rattling?
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The timing chain is a very common problem, especially on the 3.9L. Another common problem that also sounds like rattling is spark knock, and valve lifters. I heard a nasty rattling in my dak, and put new lifters and spark plugs in and it sounds like new.
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levi
Dodge Dakota
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5/08/2004
15:05:24
| RE: Engine Rattling?
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i have the same problem with mine.... (a 99) it wasnt anything like u guys are talkin about just simply that the cat went out.... it does the same thing.. a rattle at idle u should check and see if the catalysts in ur cat are broken off and rattling around
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